MESON Chess Problem Database
Problem Display
PID: 65405 (1QR5/3P3K/r2PN1P1/Np1Pk3/4PR1n/B7/6r1/1B6 w - - 0 1)
Bakcsi, Gyorgy
6th Comm., Chigorin MT, 1959
#2
13 + 5
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Bb2#
- 1...Rb2
- 2.Bxb2#
- 1...Rg4
- 2.Bb2#
- 1...Rg5
- 2.Bb2#
- 1...Rxg6
- 2.Bb2#
- 1...Rc6
- 2.Sxc6#
- 1...Rxd6
- 2.Sc6#
- 2.Bxd6#
- 2.Qxd6#
- 1...Ra7
- 2.Sc6#
- 1...Ra8
- 2.Sc6#
- 1...Sf3
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Sxg6
- 2.Rf5#
- 1...b4
- 2.Sc4#
- 1...Rg1
- Tries
- 1.Bc5?
- threat
- 2.Bd4#
- 1...Sf5
- 2.Rxf5#
- 1...Sf3
- 2.Rf5#
- 1...Rd2!
- threat
- 1.Rc2?
- threat
- 2.Bb2#
- 2.Qh8#
- 1...Rxc2
- 2.Qh8#
- 1...Rxg6
- 2.Bb2#
- 1...Sxg6
- 2.Bb2#
- 1...Rd2
- 2.Qh8#
- 1...Rg3
- 2.Qh8#
- 1...Rc6
- 2.Sxc6#
- 2.Qh8#
- 1...Ra8
- 2.Sc6#
- 2.Bb2#
- 1...Sf3
- 2.Qh8#
- 1...b4
- 2.Sc4#
- 2.Bb2#
- 1...Sf5!
- threat
- 1.Rc3?
- threat
- 2.Qh8#
- 1...Sxg6
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Ra8
- 2.Sc6#
- 1...b4
- 2.Sc4#
- 1...Rxg6!
- threat
- 1.Rc4?
- threat
- 2.Qh8#
- 1...Rxg6
- 2.Bb2#
- 1...Sxg6
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Ra8
- 2.Sc6#
- 1...b4!
- threat
- 1.Rc6?
- threat
- 2.Qh8#
- 1...Rxg6
- 2.Bb2#
- 1...Sxg6
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Ra8!
- threat
- 1.Rc7?
- threat
- 2.Qh8#
- 1...Sxg6
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...b4
- 2.Sc4#
- 1...Ra8
- 2.Sc6#
- 1...Rxg6!
- threat
- 1.Qb6?
- threat
- 2.Sc6#
- 2.Qd4#
- 1...Rxa5
- 2.Qd4#
- 1...Sf5
- 2.Rxf5#
- 1...Rc2
- 2.Qd4#
- 1...Rd2
- 2.Sc6#
- 1...Sf3
- 2.Sc6#
- 2.Rf5#
- 1...b4
- 2.Sc4#
- 1...Rxb6!
- threat
- 1.d8Q?
- threat
- 2.Qf6#
- 2.Qh8#
- 1...Rxg6
- 2.Bb2#
- 1...Sxg6
- 2.Rf5#
- 2.Qf6#
- 1...Sf5
- 2.Rxf5#
- 1...Ra7+!
- threat
- 1.d8S?
- threat
- 2.Sf7#
- 1...Sf5
- 2.Rxf5#
- 1...Ra7+!
- threat
- 1.d8B?
- threat
- 2.Bf6#
- 1...Rxg6
- 2.Bb2#
- 1...Sf5
- 2.Rxf5#
- 1...Ra7+!
- threat
- 1.Bc5?
- Keys
- 1.Rc1!
- threat
- 2.Qh8#
- 1...Rxg6
- 2.Bb2#
- 1...Sxg6
- 2.Rf5#
- 1...Sf5
- 2.Rxf5#
- 1...Ra8
- 2.Sc6#
- 1...b4
- 2.Sc4#
- threat
- 1.Rc1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- R(a);N_GUARD::B(B)
- R(a);N_GUARD::B(B),XR(a)
- R(a);N_GUARD,XP(I)::B(B)
- R(e);N_GUARD::S(E),XR(e)
- R(e);N_GUARD,P_PINP(J)::S(E)
- R(e);N_GUARD::S(E)
- S(b);N_GUARD::R1(D)
- S(b);N_GUARD::R1(D),XS(b)
- S(b);N_GUARD,XP(I)::R1(D)
- P(c);N_GUARD::S(E)
- Tries
- Try
- B(B);
- Threat
- B(B)
- Vars
- S(b);N_GUARD::R1(D),XS(b)
- S(b);N_GUARD::R1(D)
- Refutation
- R(a);
- Try
- R(M);
- Threat
- DUALS(2)
- Vars
- R(a);XR(M)::QAB(L)
- R(a);XP(I)::B(B)
- S(b);XP(I)::B(B)
- R(a);::QAB(L)
- S(b);::QAB(L)
- Refutation
- S(b);
- Try
- R(M);
- Threat
- QAB(L)
- Vars
- S(b);N_GUARD,XP(I)::R1(D)
- S(b);N_GUARD::R1(D),XS(b)
- R(e);N_GUARD::S(E)
- P(c);N_GUARD::S(E)
- Refutation
- R(a);XP(I)
- Try
- R(M);
- Threat
- QAB(L)
- Vars
- R(a);N_GUARD,XP(I)::B(B)
- S(b);N_GUARD,XP(I)::R1(D)
- S(b);N_GUARD::R1(D),XS(b)
- R(e);N_GUARD::S(E)
- Refutation
- P(c);
- Try
- R(M);
- Threat
- QAB(L)
- Vars
- R(a);N_GUARD,XP(I)::B(B)
- S(b);N_GUARD,XP(I)::R1(D)
- S(b);N_GUARD::R1(D),XS(b)
- Refutation
- R(e);
- Try
- R(M);
- Threat
- QAB(L)
- Vars
- S(b);N_GUARD,XP(I)::R1(D)
- S(b);N_GUARD::R1(D),XS(b)
- P(c);N_GUARD::S(E)
- R(e);N_GUARD::S(E)
- Refutation
- R(a);XP(I)
- Try
- Q(L);
- Threat
- DUALS(2)
- Vars
- R(e);XS(E)::QAB1(L)
- S(b);N_GUARD::R1(D),XS(b)
- R(a);::QAB1(L)
- R(a);::S(E)
- P(c);N_GUARD::S(E)
- Refutation
- R(e);XQ(L)
- Try
- P(J);
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD,XP(I)::B(B)
- S(b);N_GUARD::R1(D),XS(b)
- Refutation
- R(e);CHECK
- Try
- P(J);
- Threat
- S(J)
- Vars
- S(b);N_GUARD::R1(D),XS(b)
- Refutation
- R(e);CHECK
- Try
- P(J);
- Threat
- B(J)
- Vars
- R(a);N_GUARD,XP(I)::B(B)
- S(b);N_GUARD::R1(D),XS(b)
- Refutation
- R(e);CHECK
- Try
- Actual
- R(M);
- Threat
- QAB(L)
- Vars
- R(a);N_GUARD,XP(I)::B(B)
- S(b);N_GUARD,XP(I)::R1(D)
- S(b);N_GUARD::R1(D),XS(b)
- R(e);N_GUARD::S(E)
- P(c);N_GUARD::S(E)
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