MESON Chess Problem Database
Problem Display
PID: 50535 (5b1B/4p1r1/4P3/8/p4p2/P1QP1P2/1PB1PRN1/2kbK2R w K - 0 1)
Gruber, Bratoljub
Mat Plus, 1995
#2
13 + 7
SOLUTION
- SOUND
- Sets
- 1...Rxg2
- 2.Qd2#
- 1...Rg3
- 2.Qd2#
- 1...Rg4
- 2.Qd2#
- 1...Rg5
- 2.Qd2#
- 1...Rg6
- 2.Qd2#
- 1...Rf7
- 2.Qd2#
- 1...Rh7
- 2.Qd2#
- 1...Rg8
- 2.Qd2#
- 1...Bxc2
- 2.0-0#
- 1...Bxe2
- 2.Kxe2#
- 1...Rxg2
- Tries
- 1.Bb1+?
- 1...Bc2
- 2.Qxc2#
- 2.0-0#
- 1...Kxb1!
- 1...Bc2
- 1.Bb3+?
- 1...Bc2
- 2.Qxc2#
- 2.0-0#
- 1...Kb1!
- 1...Bc2
- 1.Bxa4+?
- 1...Bc2
- 2.Qxc2#
- 2.0-0#
- 1...Kb1!
- 1...Bc2
- 1.Bxg7?
- threat
- 2.Qd2#
- 1...Bxc2
- 2.0-0#
- 1...Bxg7!
- threat
- 1.Rhf1?
- 1...Rxg2
- 2.Qd2#
- 1...Bxe2
- 2.Kxe2#
- 1...Rg3
- 2.Qd2#
- 1...Rg4
- 2.Qd2#
- 1...Rg5
- 2.Qd2#
- 1...Rg6
- 2.Qd2#
- 1...Rf7
- 2.Qd2#
- 1...Rh7
- 2.Qd2#
- 1...Rg8
- 2.Qd2#
- 1...Bxc2!
- 1...Rxg2
- 1.Rg1?
- 1...Rxg2
- 2.Qd2#
- 1...Bxe2
- 2.Kxe2#
- 1...Rg3
- 2.Qd2#
- 1...Rg4
- 2.Qd2#
- 1...Rg5
- 2.Qd2#
- 1...Rg6
- 2.Qd2#
- 1...Rf7
- 2.Qd2#
- 1...Rh7
- 2.Qd2#
- 1...Rg8
- 2.Qd2#
- 1...Bxc2!
- 1...Rxg2
- 1.b3?
- 1...Rxg2
- 2.Qb2#
- 2.Qd2#
- 1...Bxc2
- 2.0-0#
- 1...Bxe2
- 2.Kxe2#
- 1...Rg3
- 2.Qb2#
- 2.Qd2#
- 1...Rg4
- 2.Qb2#
- 2.Qd2#
- 1...Rg5
- 2.Qb2#
- 2.Qd2#
- 1...Rg6
- 2.Qb2#
- 2.Qd2#
- 1...Rf7
- 2.Qb2#
- 2.Qd2#
- 1...Rh7
- 2.Qb2#
- 2.Qd2#
- 1...Rg8
- 2.Qb2#
- 2.Qd2#
- 1...axb3!
- 1...Rxg2
- 1.b4?
- 1...Rxg2
- 2.Qb2#
- 2.Qd2#
- 1...Bxc2
- 2.0-0#
- 1...Bxe2
- 2.Kxe2#
- 1...Rg3
- 2.Qb2#
- 2.Qd2#
- 1...Rg4
- 2.Qb2#
- 2.Qd2#
- 1...Rg5
- 2.Qb2#
- 2.Qd2#
- 1...Rg6
- 2.Qb2#
- 2.Qd2#
- 1...Rf7
- 2.Qb2#
- 2.Qd2#
- 1...Rh7
- 2.Qb2#
- 2.Qd2#
- 1...Rg8
- 2.Qb2#
- 2.Qd2#
- 1...axb4 ep!
- 1...Rxg2
- 1.Bb1+?
- Keys
- 1.Rff1!
- 1...Rxg2
- 2.Qd2#
- 1...Bxc2
- 2.Kf2#
- 1...Bxe2
- 2.Kxe2#
- 1...Rg3
- 2.Qd2#
- 1...Rg4
- 2.Qd2#
- 1...Rg5
- 2.Qd2#
- 1...Rg6
- 2.Qd2#
- 1...Rf7
- 2.Qd2#
- 1...Rh7
- 2.Qd2#
- 1...Rg8
- 2.Qd2#
- 1...Rxg2
- 1.Rff1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(f);XS(G)::QAB1(I)
- R(f);::QAB1(I)
- B(b);P_SPINB(b),XB(D)::0-0
- B(b);XP(E)::R(B)+K(A),XB(b)
- Tries
- Try
- B(D);CHECK
- Refutation
- K(a);P-FLIGHT,XB(D)
- Try
- B(D);CHECK
- Refutation
- K(a);P-FLIGHT
- Try
- B(D);CHECK,XP(c)
- Refutation
- K(a);P-FLIGHT
- Try
- B(M);XR(f)
- Threat
- QAB1(I)
- Vars
- B(b);P_SPINB(b),XB(D)::0-0
- Refutation
- B(g);XB(M)
- Try
- R(B);
- Vars
- R(f);XS(G)::QAB1(I)
- B(b);XP(E)::R(B)+K(A),XB(b)
- R(f);::QAB1(I)
- Refutation
- B(b);P_SPINB(b),XB(D)
- Try
- R(B);
- Vars
- R(f);XS(G)::QAB1(I)
- B(b);XP(E)::R(B)+K(A),XB(b)
- R(f);::QAB1(I)
- Refutation
- B(b);P_SPINB(b),XB(D)
- Try
- P(C);
- Vars
- B(b);P_SPINB(b),XB(D)::0-0
- B(b);XP(E)::R(B)+K(A),XB(b)
- Refutation
- P(c);XP(C)
- Try
- P(C);
- Vars
- B(b);P_SPINB(b),XB(D)::0-0
- B(b);XP(E)::R(B)+K(A),XB(b)
- Refutation
- P(c);EP,XP(C)
- Try
- Actual
- R(F);
- Vars
- R(f);XS(G)::QAB1(I)
- B(b);P_SPINB(b),XB(D)::R(F)+K(A)
- B(b);XP(E)::R(F)+K(A),XB(b)
- R(f);::QAB1(I)
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).