MESON Chess Problem Database
Problem Display
PID: 169003 (8/NBKP4/5p2/1p1Rp3/2k1bp2/3NB1Q1/P2P4/8 w - - 0 1)
Basisty, Mark Borisovich
Shanshin, Valery Yurevich
Vasilenko, Anatoly Grigorovich
SuperProblem, 2017
#2
10 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...b4
- 2.Sb2#
- 1...b4
- Tries
- 1.Bc5?
- threat
- 2.Sb2#
- 1...Bxd3
- 2.Qxd3#
- 1...Bxd5!
- threat
- 1.Qxf4?
- threat
- 2.Qxe4#
- 1...exf4
- 2.Rd4#
- 1...f5!
- threat
- 1.Qg8?
- threat
- 2.Rd4#
- 1...Bxd3
- 2.Rxb5#
- 1...Bxd5
- 2.Qxd5#
- 1...fxe3!
- threat
- 1.d8Q?
- threat
- 2.Rc5#
- 1...Bxd5
- 2.Qxd5#
- 1...Bxd3!
- threat
- 1.Bc5?
- Keys
- 1.Sc6!
- threat
- 2.Sa5#
- 1...Kxd5
- 2.Qg8#
- 1...Bxd3
- 2.Rc5#
- 1...Bxd5
- 2.Sb2#
- threat
- 1.Sc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- P(d);SBLOCK::S(C)
- Tries
- Try
- B(D);
- Threat
- S(C)
- Vars
- B(b);OGATE,XS(C)::QAB1(E),XB(b)
- Refutation
- B(b);XR(F)
- Try
- Q(E);P_PINB(b),XP(c)
- Threat
- QAR2(E),XB(b)
- Vars
- P(e);N_GUARD,N_SPINB(b),XQ(E)::R1(F)
- Refutation
- P(f);
- Try
- Q(E);
- Threat
- QAB(E)+R(F),DCHECK
- Vars
- B(b);N_GUARD,SBLOCK,XS(C)::QAB(E)+R(F),XP(d)
- B(b);OGATE,P_SPINB(b),XR(F)::QAB1(E),XB(b)
- Refutation
- P(c);XB(D)
- Try
- P(J);
- Threat
- R1(F)
- Vars
- B(b);OGATE,XR(F)::QAB1(J),XB(b)
- Refutation
- B(b);XS(C)
- Try
- Actual
- S(G);
- Threat
- S(G)
- Vars
- K(a);OGATEB,S_FLIGHT,XR(F)::QAB(E)
- B(b);SBLOCK,XS(C)::R1(F)
- B(b);SBLOCK,XR(F)::S(C)
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).