MESON Chess Problem Database
Problem Display
PID: 49648 (6r1/4Q1pp/4N1pk/6p1/7b/4p1N1/4P2P/4K2R w K - 0 1)
Gruber, Bratoljub
Mat Plus, 1995
#2
7 + 8
SOLUTION
- SOUND
- Sets
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Rd8
- 2.Qxg7#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...Rh8
- 2.Qxg7#
- 1...Bxg3+
- 2.hxg3#
- 1...g4
- 2.Qxh4#
- 1...Ra8
- Tries
- 1.Kd1?
- 1...Bxg3
- 2.Qxg5#
- 2.hxg3#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...Rh8
- 2.Qxg7#
- 1...g4
- 2.Qxh4#
- 1...Rd8+!
- 1...Bxg3
- 1.Kf1?
- 1...Bxg3
- 2.Qxg5#
- 2.hxg3#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Rd8
- 2.Qxg7#
- 1...Re8
- 2.Qxg7#
- 1...Rh8
- 2.Qxg7#
- 1...g4
- 2.Qxh4#
- 1...Rf8+!
- 1...Bxg3
- 1.Rf1?
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Rd8
- 2.Qxg7#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...Rh8
- 2.Qxg7#
- 1...g4
- 2.Qxh4#
- 1...Bxg3+!
- 1...Ra8
- 1.Rg1?
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Rd8
- 2.Qxg7#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...Rh8
- 2.Qxg7#
- 1...g4
- 2.Qxh4#
- 1...Bxg3+!
- 1...Ra8
- 1.Qf6?
- 1...Bxg3+
- 2.hxg3#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Rd8
- 2.Qxg7#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...Rh8
- 2.Qxg7#
- 1...g4
- 2.Qxh4#
- 1...gxf6!
- 1...Bxg3+
- 1.Qa7?
- 1...Bxg3+
- 2.hxg3#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Rd8
- 2.Qxg7#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...Rh8
- 2.Qxg7#
- 1...g4!
- 1...Bxg3+
- 1.Qb7?
- 1...Bxg3+
- 2.hxg3#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Rd8
- 2.Qxg7#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...Rh8
- 2.Qxg7#
- 1...g4!
- 1...Bxg3+
- 1.Qc7?
- 1...Bxg3+
- 2.hxg3#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Rd8
- 2.Qxg7#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...Rh8
- 2.Qxg7#
- 1...g4!
- 1...Bxg3+
- 1.Qd7?
- 1...Bxg3+
- 2.hxg3#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Rd8
- 2.Qxg7#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...Rh8
- 2.Qxg7#
- 1...g4!
- 1...Bxg3+
- 1.Qf7?
- 1...Bxg3+
- 2.hxg3#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Rd8
- 2.Qxg7#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...Rh8
- 2.Qxg7#
- 1...g4!
- 1...Bxg3+
- 1.h3?
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Rd8
- 2.Qxg7#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...Rh8
- 2.Qxg7#
- 1...g4
- 2.Qxh4#
- 1...Bxg3+!
- 1...Ra8
- 1.Kd1?
- Keys
- 1.0-0!
- 1...Bxg3
- 2.Qxg5#
- 1...Ra8
- 2.Qxg7#
- 1...Rb8
- 2.Qxg7#
- 1...Rc8
- 2.Qxg7#
- 1...Rd8
- 2.Qxg7#
- 1...Re8
- 2.Qxg7#
- 1...Rf8
- 2.Qxg7#
- 1...Rh8
- 2.Qxg7#
- 1...g4
- 2.Qxh4#
- 1...Bxg3
- 1.0-0!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(h);N_GUARD,SBLOCK::QAB1(G),XP(f)
- R(h);N_GUARD::QAB1(G),XP(f)
- B(b);CHECK,OGATE,XS(E)::R(B)+P(D),XB(b)
- P(c);OGATE::QAR2(G),XB(b)
- Tries
- Try
- K(A);N_SPINS(E),P-FLIGHT
- Vars
- R(h);N_GUARD,SBLOCK::QAB1(G),XP(f)
- R(h);N_GUARD::QAB1(G),XP(f)
- P(c);OGATE::QAR2(G),XB(b)
- Refutation
- R(h);CHECK
- Try
- K(A);N_SPINS(E),P-FLIGHT
- Vars
- R(h);N_GUARD,SBLOCK::QAB1(G),XP(f)
- R(h);N_GUARD::QAB1(G),XP(f)
- P(c);OGATE::QAR2(G),XB(b)
- Refutation
- R(h);CHECK
- Try
- R(B);
- Vars
- R(h);N_GUARD,SBLOCK::QAB1(G),XP(f)
- R(h);N_GUARD::QAB1(G),XP(f)
- P(c);OGATE::QAR2(G),XB(b)
- Refutation
- B(b);CHECK,XS(E)
- Try
- R(B);
- Vars
- R(h);N_GUARD,SBLOCK::QAB1(G),XP(f)
- R(h);N_GUARD::QAB1(G),XP(f)
- P(c);OGATE::QAR2(G),XB(b)
- Refutation
- B(b);CHECK,XS(E)
- Try
- Q(G);P_PINP(d)
- Vars
- B(b);CHECK,OGATE,XS(E)::R(B)+P(D),XB(b)
- R(h);N_GUARD,SBLOCK::QAB1(G),XP(f)
- R(h);N_GUARD::QAB1(G),XP(f)
- P(c);OGATE::QAR2(G),XB(b)
- Refutation
- P(f);N_SPINP(d),XQ(G)
- Try
- Q(G);
- Vars
- B(b);CHECK,OGATE,XS(E)::R(B)+P(D),XB(b)
- R(h);N_GUARD,SBLOCK::QAB1(G),XP(f)
- R(h);N_GUARD::QAB1(G),XP(f)
- Refutation
- P(c);
- Try
- Q(G);
- Vars
- B(b);CHECK,OGATE,XS(E)::R(B)+P(D),XB(b)
- R(h);N_GUARD,SBLOCK::QAB1(G),XP(f)
- R(h);N_GUARD::QAB1(G),XP(f)
- Refutation
- P(c);
- Try
- Q(G);
- Vars
- B(b);CHECK,OGATE,XS(E)::R(B)+P(D),XB(b)
- R(h);N_GUARD,SBLOCK::QAB1(G),XP(f)
- R(h);N_GUARD::QAB1(G),XP(f)
- Refutation
- P(c);
- Try
- Q(G);
- Vars
- B(b);CHECK,OGATE,XS(E)::R(B)+P(D),XB(b)
- R(h);N_GUARD,SBLOCK::QAB1(G),XP(f)
- R(h);N_GUARD::QAB1(G),XP(f)
- Refutation
- P(c);
- Try
- Q(G);
- Vars
- B(b);CHECK,OGATE,XS(E)::R(B)+P(D),XB(b)
- R(h);N_GUARD,SBLOCK::QAB1(G),XP(f)
- R(h);N_GUARD::QAB1(G),XP(f)
- Refutation
- P(c);
- Try
- P(D);
- Vars
- R(h);N_GUARD,SBLOCK::QAB1(G),XP(f)
- R(h);N_GUARD::QAB1(G),XP(f)
- P(c);OGATE::QAR2(G),XB(b)
- Refutation
- B(b);CHECK,XS(E)
- Try
- Actual
- K(A);0-0,N_SPINS(E)
- Vars
- B(b);N_GUARD,XS(E)::QAB1(G),XP(c)
- R(h);N_GUARD,SBLOCK::QAB1(G),XP(f)
- R(h);N_GUARD::QAB1(G),XP(f)
- P(c);OGATE::QAR2(G),XB(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).