8 problem(s) found in 6238 milliseconds (displaying 8 problem(s)). [COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND K='Umwandlungswechsel' AND K='konsekutive Umwandlungen 2'] [download as LaTeX]

1 - P1092871
Andrey Selivanov
1 Isbrannoje twortschestwo 2001
Waleri Kirillow 50 JT
1. Preis

(10+9) C+
s#5

1. Sc8! Kxf6 2. f8=T+ Ke6 3. d8=T g4 4. Sxa7 Txa7 5. De7+ Txe7#
1. ... g4 2. f8=L Kxf6 3. d8=L+ Ke6 4. Lc4+ bxc4+ 5. Dd7+ Lxd7#

SCHRECKE: C+, Gustav 4.1d, Brute Force (2020-11-21, hidden) more ...
comment

Keywords: Epaulettenmatt, konsekutive Umwandlungen 2, Exchange of Promotions
Genre: s#
Computer test: M. Schreckenbach: Gustav 4.1 d
FEN: 4K3/p2PNP1Q/rp2kN2/rp4p1/bP6/1p1B2B1/1P6/8
Reprints: F117 FIDE Album 2001-2003 2011
Input: Frank Müller, 2009-10-23
Last update: Marcin Banaszek, 2021-03-14 more...

2 - P1102159
Yaakov Mintz
5924 Phénix 04/2009

(5+2) C+
s#11
b) Dh2 nach a7
c) ferner wKb6 nach a3
d) ferner wDa7 nach a5

a) 1. e8=T+! Kd7 2. c8=D+ Kd6 3. Ka5 Kd5 4. Dd2+ Td4 5. Sc3+ Kd6 6. Sb5+ Kd5 7. De6+ Kc5 8. Dc3+ Tc4 9. Td8 Txc3 10. Db6+ Kc4 11. Sa3+ Txa3#
b) 1. Db8+! Kd7 2. e8=D+ Kd6 3. c8=D+ Kd5 4. Dcd7+ Kc4 5. Dee6+ Kb4 6. Ka6+ Ka3 7. Dd3+ Kxa4 8. Dbe8+ Kb4 9. Deb3+ Kc5 10. De7+ Kc6 11. Da4+ Txa4#
c) 1. e8=T+! Kd7 2. c8=D+ Kd6 3. Dab8+ Kd5 4. Te5+ Kd4 5. Db2+ Kd3 6. Sc5+ Kc4 7. Se6+ Kd3 8. Da6+ Tc4 9. De2+ Kc3 10. Tc5 Txc5 11. Da5+ Txa5#
d) 1. e8=D! Kb7 2. c8=L+ Kb8 3. La6+ Ka7 4. Dc7+ Kxa6 5. De2+ Tc4 6. Sc5+ Kb5 7. Dd6 Ka5 8. Sb7+ Kb5 9. Dee5+ Tc5 10. Db2+ Kc4 11. Sa5+ Txa5#

Anton Baumann: a)-d): C+ Gustav 4.2a (2022-06-13)
YM: In each of the four variations, an additional sacrifice of the white piece in the middle of the combination. (2022-06-13)
YM: In c) 6. ... Kc4 and 10. ... Txc5 (2010-07-13, hidden) more ...
comment

Keywords: Annihilation, Miniature, Minimal, konsekutive Umwandlungen 2, Exchange of Promotions
Genre: s#
FEN: 2k5/2P1P3/1K6/8/N4r2/8/7Q/8
Input: YM, 2010-03-31
Last update: Marcin Banaszek, 2022-06-14 more...

3 - P1104350
György Bakcsi
5134 Deutsche Schachzeitung 03/1987

(10+8) C+
s#3

1. Sa7+ Kd7 2. e8=D+ Dxe8 3. f8=S+ Dxf8#
1. Sa7+ Dxa7 2. c8=D+ Lxc8 3. b8=S+ Dxb8#

SCHRECKE: C+, popeye 4.89 (2024-03-15, hidden) more ...
comment

Keywords: konsekutive Umwandlungen 2, Exchange of Promotions, under-promotion (S)
Genre: s#
Computer test: SCHRECKE: popeye 4.89
FEN: q1N5/1PP1PPp1/BPk4b/2P3Q1/2n2K1p/7b/3n4/8
Input: Frank Müller, 2010-04-29
Last update: Dieter Berlin, 2024-03-15 more...

4 - P1232126
Reino Heiskanen
Jorma Pitkänen
3331 Suomen Shakki 12/1999

(7+2) C+
s#5

1. c8=T! Kd6 2. e8=S+ Ke6 3. Tf6+ Ke5 4. Tf5+ Ke6 5. Dd7+ Txd7#
1. ... Ke6 2. e8=T+ Te7 3. Tf6+ Ke5 4. Td6+ Kxd6 5. Dd7+ Txd7#

SCHRECKE: C+, Gustav 4.1d, Brute Force (2021-11-12)
comment

Keywords: Epaulettenmatt, konsekutive Umwandlungen 2, Exchange of Promotions, Minimal
Genre: s#
FEN: 3K3B/2P1P1r1/8/4k3/Q4R2/4N3/8/8
Input: Frank Müller, 2012-02-12
Last update: Marcin Banaszek, 2021-11-17 more...

5 - P1236244
Nikolay Kralin
Oleg V. Pervakov
WCCC Turku 07/1995
Wodka-Turnier
1.-2. ehrende Erwähnung

(9+6) C+
s#2

1. c8=S+? Kd8 2. b8=L Sa3#
1. ... Kf6 2. g8=D Sa3#
1. ... Kf7!

1. d8=L+! Kd6 2. b8=S Sa3#
1. ... Ke8 2. h8=S Sa3#
1. ... Kf7 2. g8=T Sa3#

SCHRECKE: C+, popeye 4.87 (2023-01-03)
comment

Keywords: Allumwandlung, Batteriematt horizontal, konsekutive Umwandlungen 2, Exchange of Promotions
Genre: s#
FEN: 8/1PPPk1PP/8/R7/7p/5p1B/p4P2/rn3K2
Input: Frank Müller, 2012-04-08
Last update: Marcin Banaszek, 2023-01-04 more...

6 - P1304998
Gunter Jordan
13346 Springaren (136) 06/2015

(7+4) C+
s#7
2 Lösungen

1) 1. c8=S+ Ke6 2. g8=D+ Tf7 3. Sd6 Kf6 4. Se4+ Ke6 5. Dxg6+ Tf6 6. Ke8 Txg6 7. Dg8+ Txg8#
2) 1. c8=T Ke6 2. Te5+ Kd6 3. Txg5 Ke6 4. d5+ Kd6 5. Df6+ Te6 6. g8=D Txf6 7. Df8+ Txf8#

SCHRECKE: C+, Gustav 4.1d, Brute Force (2020-11-15)
comment

Keywords: Echo, Exchange of Promotions, under-promotion key, konsekutive Umwandlungen 2 (SD, TD), Checking key (in 1), Antiphönix, Promotion (D)
Genre: s#
FEN: 3K1Q2/2P1r1P1/3k2p1/2R3p1/3P2P1/8/8/8
Input: Frank Müller, 2015-07-03
Last update: Gunter Jordan, 2023-12-29 more...

7 - P1408770
Marko Ylijoki
H4671 The Problemist 29-2, p. 63, 03/2023

(3+12) C+
h#6
0.2.1...

1) 1. ... b8=D+ 2. Kg4+ Df4+ 3. Kh5 Dd2 4. Le3 fxe3 5. Kg4 Dd1 6. Kg3 Dg1#
2) 1. ... b8=T 2. b2+ Txb2 3. d2+ Kxc2 4. d1=S Kd3 5. Se3 Te2 6. Sf5 Te4#

Yuri Bilokin: you can see 1.h2 b8=Q+ 2.Kg4+ Qf4+ 3.Kh3 Qe3 4.Bf6 Qxf3#
1.h2 b8=Q+ 2.Kg4+ Qf4+ 3.Kh3 Qe3 4.Be7 Qxf3#
1.h2 b8=Q+ 2.Kg4+ Qf4+ 3.Kh3 Qe3 4.Bd8 Qxf3#
1.Bf6 b8=Q+ 2.Kg4 Qxb3 3.h2 Qd5 4.Kh3 Qxf3# (2024-02-29)
comment

Keywords: Checking key (in 1), Promotion key (in 1), under-promotion key (in 2), under-promotion (ts in 2), konsekutive Umwandlungen 2 (ts in 2), bi-coloured Bristol (in 1), Cross check (in 1), Discovered check (in 1), selfpinning (in 1), Unpinning (in 1), Switchback (k in 1), Model mate (in 1), Exchange of Promotions
Genre: h#
FEN: 5n1n/1P6/8/6b1/5k1p/pppp1p1p/2p2P2/2K5
Input: Gunter Jordan, 2023-04-10
Last update: Felber, Volker, 2023-10-15 more...

8 - P1414995
Marko Ylijoki
4178 Variantim 90 08/2023

(2+8) C+
h#7
0.1.1...
b) wBc2->c7

a) 1. ... c4 2. Dh2+ Kxh2 3. g3+ Kxh3 4. g2 c5 5. g1=T c6 6. Ta1 c7 7. Ta7 c8=D#
b) 1. ... c8=S 2. La7 Sd6 3. Sb6 Sxe8 4. Lg2+ Kg1 5. Lb7+ Kf1 6. Sd7 Ke2 7. Sb8 Sc7#

Yuri Bilokin: you can see b) 1.Ba7 c8=S 2.Sb6 Sd6 3.Bg2+ Kg1 4.Bb7+ Kf1 5.Sd7 Sxe8 6.Sb8 Sc7#
1.Sb4 c8=S 2.Sa6 Sd6 3.Sb8 Sc4 4.Sd6 Sa3 5.Sb7 Sb5 6.Ba7 Sc7#
1.Sb4 c8=S 2.Sa6 Sd6 3.Sb8 Sc4 4.Sd6 Sa3 5.Ba7 Sb5 6.Sb7 Sc7#
1.Sb4 c8=S 2.Sa6 Sd6 3.Sb8 Sc4 4.Sd6 Se3 5.Sb7 Sd5 6.Ba7 Sc7# (2024-02-18)
comment

Keywords: Corner mate, Smothered mate (in b), Excelsior white (in a), konsekutive Umwandlungen 2 (tD), Minimal (B), Model mate, Phoenix (in a), Rückkehr nach Umwandlung (in b), Round Trip (B/S in b), Selfblock, Promotion (D in a), Promotion in the mating move (in a), Exchange of Promotions, under-promotion (t,S), under-promotion key (in b)
Genre: h#
FEN: k3n3/8/8/3n4/5pp1/6qb/2P2b2/7K
Input: Gunter Jordan, 2024-02-13
Last update: Gunter Jordan, 2024-02-13 more...

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