MESON Chess Problem Database
Problem Display
PID: 263560 (7k/4NKR1/3pPpp1/1P4p1/2P1bpP1/8/1Q2P3/8 w - - 0 1)
Lipton, Michael
British Chess Magazine, 2021
#2
9 + 7
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Bh1
- 2.Sxg6#
- 1...Bg2
- 2.Sxg6#
- 1...Bf3
- 2.Sxg6#
- 1...Bd5
- 2.Sxg6#
- 1...Bc6
- 2.Sxg6#
- 1...Bb7
- 2.Sxg6#
- 1...Ba8
- 2.Sxg6#
- 1...f5
- 2.Sxg6#
- 1...Bh1
- Tries
- 1.Qc1?
- 1...Bb1
- 2.Qh1#
- 1...Bh1
- 2.Sxg6#
- 2.Qxh1#
- 1...Bc2
- 2.Qh1#
- 1...Bg2
- 2.Sxg6#
- 1...Bd3
- 2.Qh1#
- 1...Bf3
- 2.Sxg6#
- 1...Bd5
- 2.Sxg6#
- 1...Bf5
- 2.Qh1#
- 1...Bc6
- 2.Sxg6#
- 1...Bb7
- 2.Sxg6#
- 1...Ba8
- 2.Sxg6#
- 1...f3
- 2.Qh1#
- 1...f5
- 2.Sxg6#
- 1...d5!
- 1...Bb1
- 1.Qa3?
- threat
- 2.Qh3#
- 1...Bg2
- 2.Sxg6#
- 1...Bd3
- 2.Qa8#
- 1...Bf3
- 2.Sxg6#
- 1...f3!
- threat
- 1.Qa2?
- 1...Bb1
- 2.Qa8#
- 1...Bh1
- 2.Sxg6#
- 1...Bc2
- 2.Qa8#
- 1...Bg2
- 2.Sxg6#
- 1...Bd3
- 2.Qa8#
- 1...Bf3
- 2.Sxg6#
- 1...Bd5
- 2.Sxg6#
- 1...Bf5
- 2.Qa8#
- 1...Bc6
- 2.Sxg6#
- 1...Bb7
- 2.Sxg6#
- 1...Ba8
- 2.Sxg6#
- 2.Qxa8#
- 1...d5
- 2.Qa8#
- 1...f5
- 2.Sxg6#
- 1...f3!
- 1...Bb1
- 1.e3?
- threat
- 2.Qh2#
- 1...Bg2
- 2.Sxg6#
- 1...Bc2!
- threat
- 1.Qc1?
- Keys
- 1.Qa1!
- 1...Bb1
- 2.Qa8#
- 1...Bh1
- 2.Sxg6#
- 2.Qxh1#
- 1...Bc2
- 2.Qh1#
- 2.Qa8#
- 1...Bg2
- 2.Sxg6#
- 1...Bd3
- 2.Qh1#
- 2.Qa8#
- 1...Bf3
- 2.Sxg6#
- 1...Bd5
- 2.Sxg6#
- 1...Bf5
- 2.Qh1#
- 2.Qa8#
- 1...Bc6
- 2.Sxg6#
- 1...Bb7
- 2.Sxg6#
- 1...Ba8
- 2.Sxg6#
- 2.Qxa8#
- 1...f3
- 2.Qh1#
- 1...d5
- 2.Qa8#
- 1...f5
- 2.Sxg6#
- 1...Bb1
- 1.Qa1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- B(a);N_GUARD::S(G),XP(f)
- B(a);N_GUARD,P_PINP(F)::S(G),XP(f)
- B(a);N_GUARD,SBLOCK::S(G),XP(f)
- P(e);S_CUTB(a)::S(G),XP(f)
- Tries
- Try
- Q(A);
- Vars
- B(a);N_GUARD::QAB(A)
- B(a);N_GUARD::S(G),XP(f)
- B(a);N_GUARD,P_PINP(F)::S(G),XP(f)
- B(a);N_GUARD,SBLOCK::S(G),XP(f)
- P(b);S_CUTB(a)::QAB(A)
- P(e);S_CUTB(a)::S(G),XP(f)
- Refutation
- P(d);
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- B(a);N_GUARD::S(G),XP(f)
- B(a);N_GUARD::QAB1(A)
- Refutation
- P(b);
- Try
- Q(A);
- Vars
- B(a);N_GUARD::QAB1(A)
- B(a);N_GUARD::S(G),XP(f)
- B(a);N_GUARD,P_PINP(F)::S(G),XP(f)
- P(d);S_CUTB(a)::QAB1(A)
- P(e);S_CUTB(a)::S(G),XP(f)
- Refutation
- P(b);
- Try
- P(B);
- Threat
- QAR(A)
- Vars
- B(a);N_GUARD::S(G),XP(f)
- Refutation
- B(a);
- Try
- Actual
- Q(A);
- Vars
- B(a);N_GUARD::QAB1(A)
- B(a);N_GUARD::S(G),XP(f)
- B(a);N_GUARD,P_PINP(F)::S(G),XP(f)
- P(b);S_CUTB(a)::QAB(A)
- P(d);S_CUTB(a)::QAB1(A)
- P(e);S_CUTB(a)::S(G),XP(f)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).