MESON Chess Problem Database
Problem Display
PID: 263031 (4B3/1bp2r2/5pp1/2Q1p3/3Pk3/4pRK1/1p2P3/8 w - - 0 1)
Basisty, Mark Borisovich
Tkachenko, Sergiy Ivanovich
2nd Comm., SuperProblem, 2018
#2
6 + 9
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Ba6
- 2.Bc6#
- 1...Bc6
- 2.Bxc6#
- 1...Bc8
- 2.Bc6#
- 1...exd4
- 2.Rf4#
- 1...f5
- 2.Qxe5#
- 1...Ba6
- Tries
- 1.Rxf6?
- threat
- 2.Qxe5#
- 1...exd4
- 2.Re6#
- 1...Re7
- 2.Bxg6#
- 1...Bd5!
- threat
- 1.dxe5?
- threat
- 2.Rf4#
- 1...fxe5
- 2.Qc4#
- 1...Bd5
- 2.Qxe3#
- 1...g5!
- threat
- 1.d5?
- threat
- 2.Qc4#
- 1...Bxd5
- 2.Qxe3#
- 1...Ba6!
- threat
- 1.Rxf6?
- Keys
- 1.Qc4!
- threat
- 2.d5#
- 1...exd4
- 2.Qe6#
- 1...Bd5
- 2.Qd3#
- 1...Ba6
- 2.Bc6#
- threat
- 1.Qc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- B(g);N_GUARD::B(F)
- B(g);N_GUARD::B(F),XB(g)
- P(d);N_GUARD,XP(D)::R1(B)
- P(e);N_GUARD::QAR1(E),XP(d)
- Tries
- Try
- R(B);XP(e)
- Threat
- QAR1(E),XP(d)
- Vars
- P(d);OGATEB,XP(D)::R(B)
- R(i);OGATE::B(F),XP(f)
- Refutation
- B(g);
- Try
- P(D);XP(d)
- Threat
- R1(B)
- Vars
- P(e);SBLOCK,XP(D)::QAR2(E)
- B(g);SBLOCK::QAR1(E),XP(b)
- Refutation
- P(f);
- Try
- P(D);
- Threat
- QAR2(E)
- Vars
- B(g);SBLOCK,XP(D)::QAR1(E),XP(b)
- Refutation
- B(g);
- Try
- Actual
- Q(E);
- Threat
- QAR(E)+P(D)
- Vars
- P(d);OGATEB,P_SPINP(d),SBLOCK,XP(D)::QAR2(E)
- B(g);SBLOCK::QAB1(E)
- B(g);N_GUARD::B(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).