MESON Chess Problem Database
Problem Display
PID: 99578 (2n5/2R3bK/n2NP1R1/3k1N2/B1rPrP2/Q2p4/4P3/8 w - - 0 1)
Schneider, Vilmos
Budapesti Sakkszovetseg, 1965
#2
11 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb4
- 2.Bc6#
- 1...Rcxd4
- 2.Bc6#
- 1...Rc6
- 2.Bxc6#
- 1...Rexd4
- 2.Se3#
- 1...Sc5
- 2.Bc6#
- 1...Sxd6
- 2.Qxd6#
- 1...Rb4
- Tries
- 1.Se3+?
- 1...Kxd4
- 2.Sdf5#
- 2.Qxd3#
- 1...Rxe3!
- 1...Kxd4
- 1.Se7+?
- 1...Kxd4
- 2.Sdf5#
- 2.Qxd3#
- 1...Sxe7!
- 1...Kxd4
- 1.Bb3?
- threat
- 2.Bxc4#
- 1...Rxd4
- 2.Se3#
- 1...Sxc7
- 2.Qc5#
- 1...Sxd6
- 2.Qxd6#
- 1...Sb6!
- threat
- 1.Qc5+?
- 1...Sxc5
- 2.Bc6#
- 1...Rxc5!
- 1...Sxc5
- 1.Qa2?
- threat
- 2.Bc6#
- 2.Qxc4#
- 1...Bxd4
- 2.Qxc4#
- 1...Sxc7
- 2.Qxc4#
- 1...Sxd6
- 2.Bc6#
- 1...Bf6
- 2.Qxc4#
- 1...Sb4
- 2.Rc5#
- 2.Qxc4#
- 1...Sb8
- 2.Rc5#
- 2.Qxc4#
- 1...Sb6
- 2.Bc6#
- 1...Sa7
- 2.Qxc4#
- 1...Se7
- 2.Qxc4#
- 1...Rxd4!
- threat
- 1.Qb3?
- threat
- 2.Bc6#
- 2.Qxc4#
- 1...Bxd4
- 2.Qxc4#
- 1...Sxc7
- 2.Qxc4#
- 1...Sxd6
- 2.Bc6#
- 1...Bf6
- 2.Qxc4#
- 1...Sb4
- 2.Rc5#
- 2.Qxc4#
- 1...Sb8
- 2.Rc5#
- 2.Qxc4#
- 1...Sb6
- 2.Bc6#
- 1...Sa7
- 2.Qxc4#
- 1...Se7
- 2.Qxc4#
- 1...Rxd4!
- threat
- 1.exd3?
- threat
- 2.dxc4#
- 2.dxe4#
- 1...Rxa4
- 2.dxe4#
- 1...Rcxd4
- 2.Bc6#
- 1...Rxc7
- 2.dxe4#
- 1...Rexd4
- 2.Se3#
- 1...Rxf4
- 2.dxc4#
- 1...Rxe6
- 2.dxc4#
- 1...Sxd6
- 2.Qxd6#
- 1...Rc1
- 2.dxe4#
- 1...Rc2
- 2.dxe4#
- 1...Rc3
- 2.dxe4#
- 1...Rb4
- 2.Bc6#
- 2.dxe4#
- 1...Rc5
- 2.dxe4#
- 1...Rc6
- 2.Bxc6#
- 2.dxe4#
- 1...Re1
- 2.dxc4#
- 1...Re2
- 2.dxc4#
- 1...Re3
- 2.dxc4#
- 1...Re5
- 2.dxc4#
- 1...Sc5
- 2.Bc6#
- 2.dxc4#
- 1...Sb6
- 2.dxe4#
- 1...Bf6!
- threat
- 1.Se3+?
- Keys
- 1.Qxd3!
- threat
- 2.Qxc4#
- 2.Qxe4#
- 1...Rxa4
- 2.Qxe4#
- 1...Rcxd4
- 2.Bb3#
- 1...Rxc7
- 2.Qxe4#
- 1...Rxe2
- 2.Qxc4#
- 1...Rexd4
- 2.e4#
- 1...Rxf4
- 2.Qxc4#
- 1...Rxe6
- 2.Qxc4#
- 1...Sxd6
- 2.Se7#
- 1...Rc1
- 2.Qxe4#
- 1...Rc2
- 2.Qxe4#
- 1...Rc3
- 2.Qxe4#
- 1...Rb4
- 2.Bc6#
- 2.Qxe4#
- 1...Rc5
- 2.Qxe4#
- 1...Rc6
- 2.Bxc6#
- 2.Qxe4#
- 1...Re3
- 2.Qxc4#
- 1...Re5
- 2.Qxc4#
- 1...Sc5
- 2.Bc6#
- 2.Qxc4#
- 1...Sb6
- 2.Qxe4#
- threat
- 1.Qxd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 12
- REMOVED MATES = 3
- Sets
- R(b);N_GUARD::B(C)
- R(b);N_GUARD,XP(D)::B(C)
- R(b);N_GUARD::B(C),XR(b)
- R(c);N_GUARD,SBLOCK,XP(D)::S(F)
- S(e);S_CUTR(b)::B(C)
- S(g);OGATE,XS(G)::QAR1(B),XS(g)
- Tries
- Try
- S(F);CHECK
- Refutation
- R(c);XS(F)
- Try
- S(F);CHECK
- Refutation
- S(g);XS(F)
- Try
- B(C);P_PINR(b)
- Threat
- B(C),XR(b)
- Vars
- R(c);N_GUARD,SBLOCK,XP(D)::S(F)
- S(e);N_GUARD,XR(J)::QAR1(B)
- S(g);OGATE,XS(G)::QAR1(B),XS(g)
- Refutation
- S(g);
- Try
- Q(B);CHECK
- Vars
- S(e);XQ(B)::B(C)
- Refutation
- R(b);XQ(B)
- Try
- Q(B);P_PINR(b)
- Threat
- DUALS(2)
- Vars
- B(f);XP(D)::QAB1(B),XR(b)
- S(e);XR(J)::QAB1(B),XR(b)
- S(g);XS(G)::B(C)
- B(f);::QAB1(B),XR(b)
- S(g);::B(C)
- S(g);::QAB1(B),XR(b)
- Refutation
- R(c);XP(D)
- Try
- Q(B);P_PINR(b)
- Threat
- DUALS(2)
- Vars
- B(f);XP(D)::QAB1(B),XR(b)
- S(e);XR(J)::QAB1(B),XR(b)
- S(g);XS(G)::B(C)
- B(f);::QAB1(B),XR(b)
- S(g);::B(C)
- S(g);::QAB1(B),XR(b)
- Refutation
- R(c);XP(D)
- Try
- P(A);XP(a)
- Threat
- DUALS(2)
- Vars
- R(b);XB(C)::P(A),XR(c)
- R(b);N_GUARD,XP(D)::B(C)
- R(b);XR(J)::P(A),XR(c)
- R(c);N_GUARD,SBLOCK,XP(D)::S(F)
- R(c);XP(E)::P(A),XR(b)
- R(c);XP(H)::P(A),XR(b)
- S(g);OGATE,XS(G)::QAR1(B),XS(g)
- R(b);::P(A),XR(c)
- R(c);::P(A),XR(b)
- S(g);::P(A),XR(c)
- Refutation
- B(f);
- Try
- Actual
- Q(B);XP(a)
- Threat
- DUALS(2)
- Vars
- R(b);XB(C)::QAB1(B),XR(c)
- R(b);OGATEB,P_SPINR(b),XP(D)::B(C)
- R(b);XR(J)::QAB1(B),XR(c)
- R(c);XP(A)::QAB1(B),XR(b)
- R(c);OGATE,P_SPINR(c),XP(D)::P(A)
- R(c);XP(E)::QAB1(B),XR(b)
- R(c);XP(H)::QAB1(B),XR(b)
- S(g);N_GUARD,SBLOCK,XS(G)::S(F)
- R(b);::QAB1(B),XR(c)
- R(c);::QAB1(B),XR(b)
- S(g);::QAB1(B),XR(c)
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