MESON Chess Problem Database
Problem Display
PID: 49093 (6Q1/3p1B2/1p1Pr3/bp6/kB2R3/Pp2P3/1P2P3/R3K3 w Q - 0 1)
Gruber, Bratoljub
Mat Plus, 1995
#2
11 + 7
SOLUTION
- SOUND
- Sets
- 1...Rxe4
- 2.Bxb3#
- 1...Re5
- 2.Bxb3#
- 1...Rxd6
- 2.Bxb3#
- 1...Rf6
- 2.Bxb3#
- 1...Rg6
- 2.Bxb3#
- 1...Rh6
- 2.Bxb3#
- 1...Re7
- 2.Bxb3#
- 1...Re8
- 2.Bxb3#
- 1...Bxb4+
- 2.axb4#
- 1...Rxe4
- Tries
- 1.Kd1?
- 1...Rxe4
- 2.Bxb3#
- 1...Bxb4
- 2.Qa8#
- 2.axb4#
- 1...Re5
- 2.Bxb3#
- 1...Rf6
- 2.Bxb3#
- 1...Rg6
- 2.Bxb3#
- 1...Rh6
- 2.Bxb3#
- 1...Re7
- 2.Bxb3#
- 1...Re8
- 2.Bxb3#
- 1...Rxd6+!
- 1...Rxe4
- 1.Kf1?
- 1...Rxe4
- 2.Bxb3#
- 1...Rxd6
- 2.Bxb3#
- 1...Bxb4
- 2.Qa8#
- 2.axb4#
- 1...Re5
- 2.Bxb3#
- 1...Rg6
- 2.Bxb3#
- 1...Rh6
- 2.Bxb3#
- 1...Re7
- 2.Bxb3#
- 1...Re8
- 2.Bxb3#
- 1...Rf6+!
- 1...Rxe4
- 1.Kd2?
- 1...Bxb4+
- 2.axb4#
- 1...Rxe4
- 2.Bxb3#
- 1...Re5
- 2.Bxb3#
- 1...Rf6
- 2.Bxb3#
- 1...Rg6
- 2.Bxb3#
- 1...Rh6
- 2.Bxb3#
- 1...Re7
- 2.Bxb3#
- 1...Re8
- 2.Bxb3#
- 1...Rxd6+!
- 1...Bxb4+
- 1.Kf2?
- 1...Rxe4
- 2.Bxb3#
- 1...Rxd6
- 2.Bxb3#
- 1...Bxb4
- 2.Qa8#
- 2.axb4#
- 1...Re5
- 2.Bxb3#
- 1...Rg6
- 2.Bxb3#
- 1...Rh6
- 2.Bxb3#
- 1...Re7
- 2.Bxb3#
- 1...Re8
- 2.Bxb3#
- 1...Rf6+!
- 1...Rxe4
- 1.Bd2+?
- 1...Rxe4
- 2.Bxb3#
- 1...Bb4
- 2.Qa8#
- 2.axb4#
- 1...b4!
- 1...Rxe4
- 1.Bc3+?
- 1...Rxe4
- 2.Bxb3#
- 1...Bb4
- 2.Qa8#
- 2.axb4#
- 1...b4!
- 1...Rxe4
- 1.Bxe6?
- threat
- 2.Bxb3#
- 1...Bxb4+
- 2.axb4#
- 1...dxe6!
- threat
- 1.Rb1?
- 1...Rxe4
- 2.Bxb3#
- 1...Rxd6
- 2.Bxb3#
- 1...Re5
- 2.Bxb3#
- 1...Rf6
- 2.Bxb3#
- 1...Rg6
- 2.Bxb3#
- 1...Rh6
- 2.Bxb3#
- 1...Re7
- 2.Bxb3#
- 1...Re8
- 2.Bxb3#
- 1...Bxb4+!
- 1...Rxe4
- 1.Rc1?
- 1...Rxe4
- 2.Bxb3#
- 1...Rxd6
- 2.Bxb3#
- 1...Re5
- 2.Bxb3#
- 1...Rf6
- 2.Bxb3#
- 1...Rg6
- 2.Bxb3#
- 1...Rh6
- 2.Bxb3#
- 1...Re7
- 2.Bxb3#
- 1...Re8
- 2.Bxb3#
- 1...Bxb4+!
- 1...Rxe4
- 1.Rd1?
- 1...Rxe4
- 2.Bxb3#
- 1...Rxd6
- 2.Bxb3#
- 1...Re5
- 2.Bxb3#
- 1...Rf6
- 2.Bxb3#
- 1...Rg6
- 2.Bxb3#
- 1...Rh6
- 2.Bxb3#
- 1...Re7
- 2.Bxb3#
- 1...Re8
- 2.Bxb3#
- 1...Bxb4+!
- 1...Rxe4
- 1.Rd4?
- 1...Bxb4+
- 2.axb4#
- 1...Rxd6
- 2.Bxb3#
- 1...Re4
- 2.Bxb3#
- 1...Re5
- 2.Bxb3#
- 1...Rf6
- 2.Bxb3#
- 1...Rg6
- 2.Bxb3#
- 1...Rh6
- 2.Bxb3#
- 1...Re7
- 2.Bxb3#
- 1...Re8
- 2.Bxb3#
- 1...Rxe3!
- 1...Bxb4+
- 1.Rf4?
- 1...Bxb4+
- 2.axb4#
- 1...Rxd6
- 2.Bxb3#
- 1...Re4
- 2.Bxb3#
- 1...Re5
- 2.Bxb3#
- 1...Rf6
- 2.Bxb3#
- 1...Rg6
- 2.Bxb3#
- 1...Rh6
- 2.Bxb3#
- 1...Re7
- 2.Bxb3#
- 1...Re8
- 2.Bxb3#
- 1...Rxe3!
- 1...Bxb4+
- 1.Rg4?
- 1...Bxb4+
- 2.axb4#
- 1...Rxd6
- 2.Bxb3#
- 1...Re4
- 2.Bxb3#
- 1...Re5
- 2.Bxb3#
- 1...Rf6
- 2.Bxb3#
- 1...Rg6
- 2.Bxb3#
- 1...Rh6
- 2.Bxb3#
- 1...Re7
- 2.Bxb3#
- 1...Re8
- 2.Bxb3#
- 1...Rxe3!
- 1...Bxb4+
- 1.Rh4?
- 1...Bxb4+
- 2.axb4#
- 1...Rxd6
- 2.Bxb3#
- 1...Re4
- 2.Bxb3#
- 1...Re5
- 2.Bxb3#
- 1...Rf6
- 2.Bxb3#
- 1...Rg6
- 2.Bxb3#
- 1...Rh6
- 2.Bxb3#
- 1...Re7
- 2.Bxb3#
- 1...Re8
- 2.Bxb3#
- 1...Rxe3!
- 1...Bxb4+
- 1.Re5?
- 1...Rxe5
- 2.Bxb3#
- 1...Rxd6
- 2.Bxb3#
- 1...Rf6
- 2.Bxb3#
- 1...Rg6
- 2.Bxb3#
- 1...Rh6
- 2.Bxb3#
- 1...Re7
- 2.Bxb3#
- 1...Re8
- 2.Bxb3#
- 1...Bxb4+!
- 1...Rxe5
- 1.Kd1?
- Keys
- 1.0-0-0!
- 1...Rxe4
- 2.Bxb3#
- 1...Rxd6
- 2.Bxb3#
- 1...Bxb4
- 2.Qa8#
- 1...Re5
- 2.Bxb3#
- 1...Rf6
- 2.Bxb3#
- 1...Rg6
- 2.Bxb3#
- 1...Rh6
- 2.Bxb3#
- 1...Re7
- 2.Bxb3#
- 1...Re8
- 2.Bxb3#
- 1...Rxe4
- 1.0-0-0!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(f);OGATE,XR(H)::B(J),XP(a)
- R(f);OGATE::B(J),XP(a)
- R(f);OGATE,XP(I)::B(J),XP(a)
- B(c);CHECK,OGATE,P_SPINB(c),XB(G)::R(A)+P(E),XB(c)
- Tries
- Try
- K(B);N_SPINB(G),P-FLIGHT
- Vars
- R(f);OGATE,XR(H)::B(J),XP(a)
- R(f);OGATE::B(J),XP(a)
- Refutation
- R(f);CHECK,XP(I)
- Try
- K(B);N_SPINB(G),P-FLIGHT
- Vars
- R(f);OGATE,XR(H)::B(J),XP(a)
- R(f);OGATE,XP(I)::B(J),XP(a)
- R(f);OGATE::B(J),XP(a)
- Refutation
- R(f);CHECK
- Try
- K(B);S_FLIGHT
- Vars
- B(c);CHECK,OGATE,P_SPINB(c),XB(G)::R(A)+P(E),XB(c)
- R(f);OGATE,XR(H)::B(J),XP(a)
- R(f);OGATE::B(J),XP(a)
- Refutation
- R(f);CHECK,XP(I)
- Try
- K(B);N_SPINB(G),S_FLIGHT
- Vars
- R(f);OGATE,XR(H)::B(J),XP(a)
- R(f);OGATE,XP(I)::B(J),XP(a)
- R(f);OGATE::B(J),XP(a)
- Refutation
- R(f);CHECK
- Try
- B(G);CHECK
- Vars
- R(f);OGATE,XR(H)::B(J),XP(a)
- Refutation
- P(d);N_PINB(G),P_SPINP(d)
- Try
- B(G);CHECK
- Vars
- R(f);OGATE,XR(H)::B(J),XP(a)
- Refutation
- P(d);N_PINB(G),P_SPINP(d)
- Try
- B(J);XR(f)
- Threat
- B(J),XP(a)
- Vars
- B(c);CHECK,OGATE,P_SPINB(c),XB(G)::R(A)+P(E),XB(c)
- Refutation
- P(g);XB(J)
- Try
- R(A);
- Vars
- R(f);OGATE,XR(H)::B(J),XP(a)
- R(f);OGATE,XP(I)::B(J),XP(a)
- R(f);OGATE::B(J),XP(a)
- Refutation
- B(c);CHECK,P_SPINB(c),XB(G)
- Try
- R(A);
- Vars
- R(f);OGATE,XR(H)::B(J),XP(a)
- R(f);OGATE,XP(I)::B(J),XP(a)
- R(f);OGATE::B(J),XP(a)
- Refutation
- B(c);CHECK,P_SPINB(c),XB(G)
- Try
- R(A);
- Vars
- R(f);OGATE,XR(H)::B(J),XP(a)
- R(f);OGATE,XP(I)::B(J),XP(a)
- R(f);OGATE::B(J),XP(a)
- Refutation
- B(c);CHECK,P_SPINB(c),XB(G)
- Try
- R(H);
- Vars
- B(c);CHECK,OGATE,P_SPINB(c),XB(G)::R(A)+P(E),XB(c)
- R(f);OGATE,XP(I)::B(J),XP(a)
- R(f);OGATE::B(J),XP(a)
- Refutation
- R(f);P_PINP(D),XP(F)
- Try
- R(H);
- Vars
- B(c);CHECK,OGATE,P_SPINB(c),XB(G)::R(A)+P(E),XB(c)
- R(f);OGATE,XP(I)::B(J),XP(a)
- R(f);OGATE::B(J),XP(a)
- Refutation
- R(f);P_PINP(D),XP(F)
- Try
- R(H);
- Vars
- B(c);CHECK,OGATE,P_SPINB(c),XB(G)::R(A)+P(E),XB(c)
- R(f);OGATE,XP(I)::B(J),XP(a)
- R(f);OGATE::B(J),XP(a)
- Refutation
- R(f);P_PINP(D),XP(F)
- Try
- R(H);
- Vars
- B(c);CHECK,OGATE,P_SPINB(c),XB(G)::R(A)+P(E),XB(c)
- R(f);OGATE,XP(I)::B(J),XP(a)
- R(f);OGATE::B(J),XP(a)
- Refutation
- R(f);P_PINP(D),XP(F)
- Try
- R(H);
- Vars
- R(f);OGATE,XR(H)::B(J),XP(a)
- R(f);OGATE,XP(I)::B(J),XP(a)
- R(f);OGATE::B(J),XP(a)
- Refutation
- B(c);CHECK,XB(G)
- Try
- Actual
- K(B);0-0-0,N_SPINB(G)
- Vars
- R(f);OGATE,XR(H)::B(J),XP(a)
- R(f);OGATE,XP(I)::B(J),XP(a)
- B(c);OGATEB,P_SPINB(c),XB(G)::QAR(K)
- R(f);OGATE::B(J),XP(a)
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).