MESON Chess Problem Database
Problem Display
PID: 49091 (8/1B6/1p2p3/bk2P3/Np1Rr1p1/1p4P1/1P2N1Q1/R3K3 w Q - 0 1)
Gruber, Bratoljub
Mat Plus, 1995
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Rxe2+
- 2.Qxe2#
- 1...Re3
- 2.Qc6#
- 1...Rxd4
- 2.Qc6#
- 1...Rf4
- 2.Qc6#
- 1...Rxe5
- 2.Qc6#
- 1...Rxe2+
- Tries
- 1.Kd1?
- 1...Rxe2
- 2.Qc6#
- 2.Qxe2#
- 1...Rxe5
- 2.Qc6#
- 1...Re3
- 2.Qc6#
- 1...Rf4
- 2.Qc6#
- 1...Rxd4+!
- 1...Rxe2
- 1.Kf1?
- 1...Rxe2
- 2.Qc6#
- 2.Qxe2#
- 1...Rxd4
- 2.Qc6#
- 1...Rxe5
- 2.Qc6#
- 1...Re3
- 2.Qc6#
- 1...Rf4+!
- 1...Rxe2
- 1.Kd2?
- 1...Rxe2+
- 2.Qxe2#
- 1...Rxe5
- 2.Qc6#
- 1...Re3
- 2.Qc6#
- 1...Rf4
- 2.Qc6#
- 1...Rxd4+!
- 1...Rxe2+
- 1.Ba6+?
- 1...Kc6
- 2.Rc1#
- 1...Kxa6!
- 1...Kc6
- 1.Ra2?
- 1...Rxe2+
- 2.Qxe2#
- 1...Rxd4
- 2.Qc6#
- 1...Rxe5
- 2.Qc6#
- 1...Re3
- 2.Qc6#
- 1...Rf4
- 2.Qc6#
- 1...bxa2!
- 1...Rxe2+
- 1.Ra3?
- 1...Rxe2+
- 2.Qxe2#
- 1...Rxd4
- 2.Qc6#
- 1...Rxe5
- 2.Qc6#
- 1...Re3
- 2.Qc6#
- 1...Rf4
- 2.Qc6#
- 1...bxa3+!
- 1...Rxe2+
- 1.Rd5+?
- 1...Kc4
- 2.Rc1#
- 2.Qxe4#
- 1...exd5!
- 1...Kc4
- 1.Qh1?
- 1...Rxd4
- 2.Qc6#
- 1...Rxe5
- 2.Qc6#
- 1...Re3
- 2.Qc6#
- 1...Rf4
- 2.Qc6#
- 1...Rxe2+!
- 1...Rxd4
- 1.Qf3?
- threat
- 2.Qd3#
- 1...Rxe2+
- 2.Qxe2#
- 1...Rxd4
- 2.Qc6#
- 1...Re3
- 2.Qc6#
- 1...gxf3!
- threat
- 1.Kd1?
- Keys
- 1.0-0-0!
- 1...Kxa4
- 2.Sc3#
- 1...Rxe2
- 2.Qc6#
- 1...Rxd4
- 2.Qc6#
- 1...Rxe5
- 2.Qc6#
- 1...Re3
- 2.Qc6#
- 1...Rf4
- 2.Qc6#
- 1...Kxa4
- 1.0-0-0!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(c);CHECK,OGATE,XS(D)::QAB(E),XR(c)
- R(c);OGATE::QAB1(E)
- R(c);N_PINS(D),OGATE,XR(H)::QAB1(E)
- R(c);N_PINS(D),OGATE::QAB1(E)
- R(c);OGATE,XP(I)::QAB1(E)
- Tries
- Try
- K(B);N_SPINS(D),P-FLIGHT
- Vars
- R(c);OGATE,XP(I)::QAB1(E)
- R(c);OGATE::QAB1(E)
- Refutation
- R(c);CHECK,XR(H)
- Try
- K(B);N_SPINS(D),P-FLIGHT
- Vars
- R(c);OGATE,XR(H)::QAB1(E)
- R(c);OGATE,XP(I)::QAB1(E)
- R(c);OGATE::QAB1(E)
- Refutation
- R(c);CHECK
- Try
- K(B);N_SPINS(D),S_FLIGHT
- Vars
- R(c);CHECK,OGATE,XS(D)::QAB(E),XR(c)
- R(c);OGATE,XP(I)::QAB1(E)
- R(c);OGATE::QAB1(E)
- Refutation
- R(c);CHECK,XR(H)
- Try
- B(J);CHECK
- Vars
- K(f);P_SPINR(c),S_FLIGHT::R(A)
- Refutation
- K(f);S_FLIGHT,XB(J)
- Try
- R(A);
- Vars
- R(c);CHECK,OGATE,XS(D)::QAB(E),XR(c)
- R(c);N_PINS(D),OGATE,XR(H)::QAB1(E)
- R(c);OGATE,XP(I)::QAB1(E)
- R(c);OGATE::QAB1(E)
- R(c);N_PINS(D),OGATE::QAB1(E)
- Refutation
- P(a);XR(A)
- Try
- R(A);
- Vars
- R(c);CHECK,OGATE,XS(D)::QAB(E),XR(c)
- R(c);N_PINS(D),OGATE,XR(H)::QAB1(E)
- R(c);OGATE,XP(I)::QAB1(E)
- R(c);OGATE::QAB1(E)
- R(c);N_PINS(D),OGATE::QAB1(E)
- Refutation
- P(b);CHECK,XR(A)
- Try
- R(H);CHECK
- Refutation
- P(h);XR(H)
- Try
- Q(E);
- Vars
- R(c);N_PINS(D),OGATE,XR(H)::QAB1(E)
- R(c);OGATE,XP(I)::QAB1(E)
- R(c);OGATE::QAB1(E)
- R(c);N_PINS(D),OGATE::QAB1(E)
- Refutation
- R(c);CHECK,XS(D)
- Try
- Q(E);
- Threat
- QAB(E)
- Vars
- R(c);CHECK,OGATE,XS(D)::QAB(E),XR(c)
- R(c);N_PINS(D),OGATE,XR(H)::QAB1(E)
- R(c);OGATE::QAB1(E)
- Refutation
- P(d);XQ(E)
- Try
- Actual
- K(B);0-0-0,N_SPINS(D)
- Vars
- K(f);P_SPINP(b),S_FLIGHT,XS(G)::S(D)
- R(c);OGATE,XS(D)::QAB1(E)
- R(c);OGATE,XR(H)::QAB1(E)
- R(c);OGATE,XP(I)::QAB1(E)
- R(c);OGATE::QAB1(E)
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).