MESON Chess Problem Database
Problem Display
PID: 263093 (3b4/R6Q/2ppp3/2BkP3/3N4/1K1N3p/3R4/3n4 w - - 0 1)
Derevchuk, Oleksandr Andrinovich
SuperProblem, 2020
#2
8 + 7
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...dxc5
- 2.Rd7#
- 1...dxe5
- 2.Rd7#
- 1...dxc5
- Tries
- 1.Sc2?
- threat
- 2.Scb4#
- 1...dxc5
- 2.Rd7#
- 1...Ba5!
- threat
- 1.Se2?
- threat
- 2.Sef4#
- 1...dxc5
- 2.Rd7#
- 1...dxe5
- 2.Rd7#
- 1...Bg5!
- threat
- 1.Sxe6?
- threat
- 2.Sef4#
- 1...Kxe6
- 2.Qf7#
- 1...dxe5
- 2.Sdf4#
- 1...Bg5
- 2.Sc7#
- 1...dxc5!
- threat
- 1.Bxd6?
- threat
- 2.Sb4#
- 2.Sf4#
- 1...Ba5
- 2.Sf4#
- 1...Bg5
- 2.Sb4#
- 1...c5
- 2.Sf4#
- 1...Kxd4!
- threat
- 1.Sc2?
- Keys
- 1.Sxc6!
- threat
- 2.Scb4#
- 1...Kxc6
- 2.Qb7#
- 1...dxc5
- 2.Sdb4#
- 1...Ba5
- 2.Se7#
- threat
- 1.Sxc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- P(e);OGATEB,XB(E)::R(G)
- P(e);OGATEB,XP(F)::R(G)
- Tries
- Try
- S(D);
- Threat
- S(D)
- Vars
- P(e);OGATEB,XB(E)::R(G)
- Refutation
- B(g);
- Try
- S(D);
- Threat
- S(D)
- Vars
- P(e);OGATEB,XB(E)::R(G)
- P(e);OGATEB,XP(F)::R(G)
- Refutation
- B(g);
- Try
- S(D);XP(f)
- Threat
- S(D)
- Vars
- K(c);OGATEB,S_FLIGHT,XS(D)::QAB1(H)
- P(e);SBLOCK,XP(F)::R(A)+S(C),DCHECK
- B(g);N_GUARD::S(D)
- Refutation
- P(e);XB(E)
- Try
- B(E);XP(e)
- Threat
- DUALS(2)
- Vars
- B(g);::S(C)
- P(d);::S(C)
- Refutation
- K(c);P-FLIGHT,XS(D)
- Try
- Actual
- S(D);XP(d)
- Threat
- S(D)
- Vars
- K(c);OGATEB,S_FLIGHT,XS(D)::QAB1(H)
- P(e);SBLOCK,XB(E)::R(A)+S(C),DCHECK
- B(g);N_GUARD::S(D)
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).