MESON Chess Problem Database
Problem Display
PID: 277108 (1nR3bb/p7/4N3/2Bk4/1PN2P1n/1K1p2PB/8/4R3 w - - 0 1)
Shire, David J
The Problemist, 2023
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Bxe6
- 2.Bxe6#
- 1...Be5
- 2.Rxe5#
- 1...Sg2
- 2.Bxg2#
- 1...Sf5
- 2.Bg2#
- 1...Sg6
- 2.Bg2#
- 1...Sc6
- 2.Sc7#
- 1...a5
- 2.Sb6#
- 1...a6
- 2.Sb6#
- 1...Bxe6
- Tries
- 1.Se5?
- threat
- 2.Sc7#
- 1...Bxe5
- 2.Rxe5#
- 1...Sa6
- 2.Rd8#
- 1...Bxe6!
- threat
- 1.Sg5?
- threat
- 2.Se3#
- 1...Sg2
- 2.Bxg2#
- 1...Sf5
- 2.Bg2#
- 1...Bd4!
- threat
- 1.Bg2+?
- 1...Sf3
- 2.Bxf3#
- 1...Sxg2!
- 1...Sf3
- 1.gxh4?
- threat
- 2.Bg2#
- 1...Be5
- 2.Rxe5#
- 1...Bh7!
- threat
- 1.f5?
- threat
- 2.Sf4#
- 1...Be5
- 2.Rxe5#
- 1...Sg2
- 2.Bxg2#
- 1...Sg6
- 2.Bg2#
- 1...Bxe6!
- threat
- 1.Se5?
- Keys
- 1.Sa5!
- threat
- 2.Sc7#
- 1...Bxe6
- 2.Bxe6#
- 1...Be5
- 2.Rxe5#
- 1...Sa6
- 2.Rd8#
- threat
- 1.Sa5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- B(f);OGATE,XS(I)::B(D),XB(f)
- B(g);N_GUARD::R1(A),XB(g)
- S(b);N_GUARD::B(D),XS(b)
- S(b);N_GUARD::B(D)
- S(e);SBLOCK::S(I)
- P(d);N_GUARD::S(F)
- Tries
- Try
- S(F);
- Threat
- S(I)
- Vars
- B(g);OGATE,XS(F)::R1(A),XB(g)
- S(e);N_GUARD::R(J)
- Refutation
- B(f);XS(I)
- Try
- S(I);
- Threat
- S(F)
- Vars
- S(b);N_GUARD::B(D),XS(b)
- S(b);N_GUARD::B(D)
- Refutation
- B(g);
- Try
- B(D);CHECK
- Vars
- S(b);N_GUARD,P_SPINS(b)::B(D),XS(b)
- Refutation
- S(b);XB(D)
- Try
- P(C);XS(b)
- Threat
- B(D)
- Vars
- B(g);N_GUARD::R1(A),XB(g)
- Refutation
- B(f);
- Try
- P(G);
- Threat
- S(I)
- Vars
- B(g);N_GUARD::R1(A),XB(g)
- S(b);N_GUARD::B(D),XS(b)
- S(b);N_GUARD::B(D)
- Refutation
- B(f);XS(I)
- Try
- Actual
- S(F);
- Threat
- S(I)
- Vars
- B(f);OGATE,XS(I)::B(D),XB(f)
- B(g);N_GUARD::R1(A),XB(g)
- S(e);N_GUARD::R(J)
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).