3 problem(s) found in 3777 milliseconds (displaying 3 problem(s)). [COMMENTDATE>=20220810 AND G='h#' AND NOT K='Minimal' AND S='Shahmat'] [download as LaTeX]
a) 1. fxg1=S Dxe3 2. Sd2 Df2#
b) 1. ... Dxe3 2. c1=S Dc3#
a) R: 1. d2xc3
b) WTM, so solution in a) can't work here.
b) 1. ... Dxe3 2. c1=S Dc3#
a) R: 1. d2xc3
b) WTM, so solution in a) can't work here.
Keywords: No legal last move for White, Promotion (s,s)
Genre: h#, Retro
Computer test: HC+ Popeye v4.87 & simple retro logic
FEN: 8/8/8/8/8/2P1p1P1/ppp1ppRP/bqQbknRK
Input: Gerd Wilts, 1995-06-03
Last update: A.Buchanan, 2023-12-06 more...
Genre: h#, Retro
Computer test: HC+ Popeye v4.87 & simple retro logic
FEN: 8/8/8/8/8/2P1p1P1/ppp1ppRP/bqQbknRK
Input: Gerd Wilts, 1995-06-03
Last update: A.Buchanan, 2023-12-06 more...
1) 1. Te4 Sd6+ 2. Kb4 Sf7#
2) 1. Dd4 Sa3+ 2. Ka4 Sb1#
NL:
1. La5+ Txf2 2. Kxa6 Txa5#
1. La5+ Kb3 2. Kxa6 Txa5#
2) 1. Dd4 Sa3+ 2. Ka4 Sb1#
NL:
1. La5+ Txf2 2. Kxa6 Txa5#
1. La5+ Kb3 2. Kxa6 Txa5#
Yuri Bilokin: correction a1=b1, then +bPa3, +bPa4, +bPa5
1n6/5B1q/1P1P4/p1k3P1/p2N2R1/p3B3/3Kb1r1/1R3rb1 (9+10) h#2 2.1…
1.Rf4 Se6+ 2.Kc4 Sg7#
1.Qe4 Sb3+ 2.Kb4 Sc1#
Analogy (complete)
Anticipatory self-pin × 2
Bi-valve (wS-wB-bQ). Bi-valve (wS-wB-wB). Bi-valve (wS-wB-wR). Bi-valve (wS-wR-bR)
Exchange of functions (bRf1/bQh7, Interfered / Pinned)
Exchange of functions (wRb1/wBf7, Passive guard / Rear piece of mating battery)
Pin-mate × 2. Battery mate × 2. Mirror mate (2024-02-26)
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1n6/5B1q/1P1P4/p1k3P1/p2N2R1/p3B3/3Kb1r1/1R3rb1 (9+10) h#2 2.1…
1.Rf4 Se6+ 2.Kc4 Sg7#
1.Qe4 Sb3+ 2.Kb4 Sc1#
Analogy (complete)
Anticipatory self-pin × 2
Bi-valve (wS-wB-bQ). Bi-valve (wS-wB-wB). Bi-valve (wS-wB-wR). Bi-valve (wS-wR-bR)
Exchange of functions (bRf1/bQh7, Interfered / Pinned)
Exchange of functions (wRb1/wBf7, Passive guard / Rear piece of mating battery)
Pin-mate × 2. Battery mate × 2. Mirror mate (2024-02-26)
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Keywords: Fesselungsspiel (212 202 000)
Genre: h#
FEN: n7/4B1q1/P1P5/1k3P2/2N2R2/3B4/2Kb1r2/R3rb2
Input: Markus Manhart, 1998-04-17
Last update: hpr, 1999-02-10 more...
Genre: h#
FEN: n7/4B1q1/P1P5/1k3P2/2N2R2/3B4/2Kb1r2/R3rb2
Input: Markus Manhart, 1998-04-17
Last update: hpr, 1999-02-10 more...
1) 1. d2 b4 2. Sd3 b5+ 3. Ka5 Sc3 4. Sb4 Lxc7#
2) 1. c4 b3 2. c5 bxc4 3. Sc6 Lxc7 4. Sa7 Sxc5#
NL:
1. c4 Sc3 2. Kb6 Lh2 3. Kc5 Kg2 4. Kd4 Lg1#
2) 1. c4 b3 2. c5 bxc4 3. Sc6 Lxc7 4. Sa7 Sxc5#
NL:
1. c4 Sc3 2. Kb6 Lh2 3. Kc5 Kg2 4. Kd4 Lg1#
Genre: h#
FEN: 8/2p5/k1p5/2p1n3/N7/3p2B1/1P6/7K
Input: hpr, 1999-04-02
Last update: hpr, 1999-12-18 more...
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The problems of this query have been registered by the following contributors:
Gerd Wilts (1)Markus Manhart (1)
hpr (1)
b) Weiß am Zug
Adrian Storisteanu: Two knight promotions differently motivated.
The technical challenge was in averting the short second solution in a) as set play, in order to keep the two phases nicely apart, and also, of course, preventing black tempi and potential white retro moves. (2000-11-20)
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