MESON Chess Problem Database
Problem Display
PID: 85106 (8/3PnK2/2PQ2p1/2PP2B1/RN1kb1BR/Npr2p2/2p5/8 w - - 0 1)
Makaronets, Leonid
US Problem Bulletin, 1982
#2
12 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rd3
- 2.Sa2#
- 1...Re3
- 2.Bf6#
- 1...Rc4
- 2.Sb5#
- 1...Rxc5
- 2.Qf6#
- 1...Bd3
- 2.Sbxc2#
- 1...Bxd5+
- 2.Be6#
- 1...Bf5
- 2.Bxf5#
- 1...Rd3
- Tries
- 1.Sa2+?
- 1...Kd3
- 2.Sc1#
- 1...Rc4!
- 1...Kd3
- 1.Bxf3?
- threat
- 2.Rxe4#
- 1...Rxc5
- 2.Qf6#
- 1...Rd3
- 2.Sa2#
- 1...Re3
- 2.Bf6#
- 1...Rc4
- 2.Sb5#
- 1...Rxf3+!
- threat
- 1.Sa2+?
- Keys
- 1.d8S!
- threat
- 2.Se6#
- 1...Bxd5+
- 2.Be6#
- 1...Rxc5
- 2.Qf6#
- 1...Rd3
- 2.Sa2#
- 1...Re3
- 2.Bf6#
- 1...Rc4
- 2.Sb5#
- 1...Bd3
- 2.Sbxc2#
- 1...Bf5
- 2.Bxf5#
- threat
- 1.d8S!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD,SBLOCK::R(B)+S(C)
- R(c);SBLOCK::B(H)
- R(c);SBLOCK::S(A)
- R(c);SBLOCK,XP(F)::QAB(J)
- B(f);SBLOCK::R(B)+S(C),DCHECK,XP(a)
- B(f);CHECK,OGATEB,P_SPINB(f),XP(G)::R(E)+B(D)
- B(f);OGATEB::R(E)+B(D),XB(f)
- Tries
- Try
- S(C);CHECK
- Vars
- K(e);P-FLIGHT::S(C)
- Refutation
- R(c);P_SPINR(c)
- Try
- B(D);P_PINB(f),XP(d)
- Threat
- R1(E),XB(f)
- Vars
- R(c);SBLOCK,XP(F)::QAB(J)
- R(c);N_GUARD,SBLOCK::R(B)+S(C)
- R(c);SBLOCK::B(H)
- R(c);SBLOCK::S(A)
- Refutation
- R(c);CHECK,XB(D)
- Try
- Actual
- P(K);
- Threat
- S(K)
- Vars
- B(f);CHECK,OGATEB,P_SPINB(f),XP(G)::R(E)+B(D)
- R(c);SBLOCK,XP(F)::QAB(J)
- R(c);N_GUARD,SBLOCK::R(B)+S(C)
- R(c);SBLOCK::B(H)
- R(c);SBLOCK::S(A)
- B(f);SBLOCK::R(B)+S(C),DCHECK,XP(a)
- B(f);OGATEB::R(E)+B(D),XB(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).