MESON Chess Problem Database
Problem Display
PID: 275801 (8/4pK2/4B1pp/6Pb/RB4pk/7p/5P1P/6R1 w - - 0 1)
Subotic, Miroslav
Schach, 2024
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Kxg5
- 2.Bxe7#
- 1...Kxg5
- Tries
- 1.Ba3?
- 1...Kxg5
- 2.Bxe7#
- 1...hxg5!
- 1...Kxg5
- 1.Bc5?
- 1...Kxg5
- 2.Bxe7#
- 1...hxg5!
- 1...Kxg5
- 1.Bd6?
- 1...Kxg5
- 2.Bxe7#
- 1...hxg5
- 2.Bg3#
- 1...exd6!
- 1...Kxg5
- 1.Rg3?
- 1...Kxg5
- 2.Bxe7#
- 1...hxg5!
- 1...Kxg5
- 1.Ra5?
- 1...g3
- 2.fxg3#
- 2.hxg3#
- 1...hxg5!
- 1...g3
- 1.f3?
- 1...Kxg5
- 2.Bxe7#
- 1...gxf3
- 2.Be1#
- 1...hxg5
- 2.Be1#
- 1...g3!
- 1...Kxg5
- 1.f4?
- 1...gxf4 ep
- 2.Be1#
- 1...g3
- 2.hxg3#
- 1...hxg5!
- 1...gxf4 ep
- 1.Ba3?
- Keys
- 1.Be1!
- 1...Kxg5
- 2.f4#
- 1...hxg5
- 2.f3#
- 1...Kxg5
- 1.Be1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(c);OGATEB,P_SPINP(b),S_FLIGHT,XP(F)::B(E),XP(g)
- Tries
- Try
- B(E);P_PINP(b)
- Vars
- K(c);OGATEB,S_FLIGHT,XP(F)::B(E),XP(g)
- Refutation
- P(f);XP(F)
- Try
- B(E);P_PINP(b)
- Vars
- K(c);OGATEB,S_FLIGHT,XP(F)::B(E),XP(g)
- Refutation
- P(f);XP(F)
- Try
- B(E);P_PINP(b)
- Vars
- K(c);OGATEB,S_FLIGHT,XP(F)::B(E),XP(g)
- P(f);SBLOCK,XP(F)::B(E)
- Refutation
- P(g);XB(E)
- Try
- R(A);
- Vars
- K(c);OGATEB,P_SPINP(b),S_FLIGHT,XP(F)::B(E),XP(g)
- Refutation
- P(f);XP(F)
- Try
- R(D);
- Refutation
- P(f);XP(F)
- Try
- P(B);
- Vars
- K(c);OGATEB,P_SPINP(b),S_FLIGHT,XP(F)::B(E),XP(g)
- P(b);XP(B)::R(D)+B(E),DCHECK
- P(f);SBLOCK,XP(F)::B(E)
- Refutation
- P(b);
- Try
- P(B);
- Vars
- P(b);EP,N_GUARD,XP(B)::R(D)+B(E),DCHECK
- P(b);OGATE::P(C),XP(b)
- Refutation
- P(f);XP(F)
- Try
- Actual
- B(E);P_PINP(b)
- Vars
- K(c);S_FLIGHT,XP(F)::P(B)
- P(f);SBLOCK,XP(F)::B(E)+P(B)
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).