MESON Chess Problem Database
Problem Display
PID: 99085 (4R3/6p1/1p6/1P2Np2/p1K2kPB/2P1pP2/1Q1b1P2/8 w - - 0 1)
Dyachuk, Vasyl Vasilovich
Sakkelet, 1997
#2
10 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...exf2
- 2.Qxd2#
- 1...e2
- 2.Qxd2#
- 1...g5
- 2.Bg3#
- 1...exf2
- Tries
- 1.Kd3?
- threat
- 2.Qb4#
- 1...Bxc3
- 2.fxe3#
- 1...fxg4!
- threat
- 1.Kd5?
- threat
- 2.Qb4#
- 1...exf2
- 2.Qxd2#
- 1...fxg4
- 2.Rf8#
- 1...Bxc3!
- threat
- 1.Qc2?
- threat
- 2.Qxf5#
- 1...exf2
- 2.Qxd2#
- 1...fxg4
- 2.Qe4#
- 1...g6!
- threat
- 1.fxe3+?
- 1...Bxe3
- 2.Qh2#
- 1...Kxe3!
- 1...Bxe3
- 1.Kd3?
- Keys
- 1.Qb4!
- threat
- 2.Kd3#
- 2.Kd5#
- 1...Bxc3
- 2.Kxc3#
- 1...exf2
- 2.Kd3#
- 1...fxg4
- 2.Qf8#
- threat
- 1.Qb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- P(b);OGATEB,XP(B)::QAB(A),XB(a)
- P(b);OGATEB::QAB(A),XB(a)
- P(g);SBLOCK::B(G)
- Tries
- Try
- K(E);S_FLIGHT
- Threat
- QAR(A)
- Vars
- B(a);N_GUARD,XP(C)::P(B),XP(b)
- Refutation
- P(e);XP(F)
- Try
- K(E);S_FLIGHT
- Threat
- QAR(A)
- Vars
- P(b);OGATEB,XP(B)::QAB(A),XB(a)
- P(e);OGATEB,XP(F)::R(J)
- Refutation
- B(a);XP(C)
- Try
- Q(A);
- Threat
- QAR1(A),XP(e)
- Vars
- P(b);OGATEB,XP(B)::QAB(A),XB(a)
- P(e);N_GUARD,XP(F)::QAR1(A)
- Refutation
- P(g);
- Try
- P(B);CHECK,XP(b)
- Vars
- B(a);OGATE,SBLOCK,XP(B)::QAB(A)
- Refutation
- K(d);S_FLIGHT,XP(B)
- Try
- Actual
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(a);XP(C)::QAR(A)+K(E),XB(a)
- P(b);XP(B)::QAR(A)+K(E)
- P(e);OGATEB,XP(F)::QAR(A)
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).