MESON Chess Problem Database
Problem Display
PID: 93409 (8/2Npr3/1PPkPpN1/3p1p2/5nr1/4B3/2RR2P1/4QK2 w - - 0 1)
Draiska, Imants
Shakhmaty v SSSR, 1950
#2
11 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxg2
- 2.Bxf4#
- 1...Rg3
- 2.Bxf4#
- 1...Rg5
- 2.Bxf4#
- 1...Rxg6
- 2.Bxf4#
- 1...Rxe6
- 2.Sb5#
- 1...Se2
- 2.Rxd5#
- 1...Sxg2
- 2.Rxd5#
- 1...Sh3
- 2.Rxd5#
- 1...Sh5
- 2.Rxd5#
- 1...Sxe6
- 2.Sb5#
- 2.Rxd5#
- 1...Sxg6
- 2.Rxd5#
- 1...dxc6
- 2.Bc5#
- 1...dxe6
- 2.Sb5#
- 1...Rxg2
- Tries
- 1.Bg1?
- threat
- 2.Sb5#
- 1...dxc6
- 2.Bc5#
- 1...Se2
- 2.Rxd5#
- 1...d4!
- threat
- 1.Bf2?
- threat
- 2.Sb5#
- 1...dxc6
- 2.Bc5#
- 1...Se2
- 2.Rxd5#
- 1...d4!
- threat
- 1.Bd4?
- threat
- 2.Sb5#
- 1...dxc6
- 2.Bc5#
- 1...Se2!
- threat
- 1.Rd1?
- threat
- 2.Qb4#
- 1...Rxg6
- 2.Bxf4#
- 1...Sxg2
- 2.Rxd5#
- 1...Sxe6
- 2.Sb5#
- 2.Rxd5#
- 1...Sxg6
- 2.Rxd5#
- 1...dxc6
- 2.Bc5#
- 1...Se2
- 2.Rxd5#
- 1...Sh3
- 2.Rxd5#
- 1...Sh5
- 2.Rxd5#
- 1...Sd3!
- threat
- 1.Rd3?
- threat
- 2.Qb4#
- 1...Rxg6
- 2.Bxf4#
- 1...Sxg2
- 2.Rxd5#
- 1...Sxe6
- 2.Sb5#
- 2.Rxd5#
- 1...Sxg6
- 2.Rxd5#
- 1...dxc6
- 2.Bc5#
- 1...Se2
- 2.Rxd5#
- 1...Sh3
- 2.Rxd5#
- 1...Sh5
- 2.Rxd5#
- 1...Sxd3!
- threat
- 1.Rd4?
- threat
- 2.Qb4#
- 1...Rxg6
- 2.Bxf4#
- 1...Sxe6
- 2.Sb5#
- 2.Rxd5#
- 1...Sxg6
- 2.Rxd5#
- 1...Sd3
- 2.Rxd5#
- 1...dxc6!
- threat
- 1.Qa1?
- threat
- 2.Qa3#
- 1...Rxg6
- 2.Bxf4#
- 1...Sxg2
- 2.Rxd5#
- 1...Sxe6
- 2.Sb5#
- 2.Rxd5#
- 1...Sxg6
- 2.Rxd5#
- 1...dxc6
- 2.Bc5#
- 1...Se2
- 2.Rxd5#
- 1...Sh3
- 2.Rxd5#
- 1...Sh5
- 2.Rxd5#
- 1...Sd3!
- threat
- 1.Qb1?
- threat
- 2.Qb4#
- 1...Rxg6
- 2.Bxf4#
- 1...Sxg2
- 2.Rxd5#
- 1...Sxe6
- 2.Sb5#
- 2.Rxd5#
- 1...Sxg6
- 2.Rxd5#
- 1...dxc6
- 2.Bc5#
- 1...Se2
- 2.Rxd5#
- 1...Sh3
- 2.Rxd5#
- 1...Sh5
- 2.Rxd5#
- 1...Sd3!
- threat
- 1.Qc1?
- threat
- 2.Qa3#
- 1...Rxg6
- 2.Bxf4#
- 1...Sxg2
- 2.Rxd5#
- 1...Sxe6
- 2.Sb5#
- 2.Rxd5#
- 1...Sxg6
- 2.Rxd5#
- 1...dxc6
- 2.Bc5#
- 2.Rxc6#
- 1...Se2
- 2.Rxd5#
- 1...Sh3
- 2.Rxd5#
- 1...Sh5
- 2.Rxd5#
- 1...Sd3!
- threat
- 1.Bg1?
- Keys
- 1.Qg3!
- threat
- 2.Rxd5#
- 1...Rxg3
- 2.Bxf4#
- 1...dxc6
- 2.Bc5#
- 1...dxe6
- 2.Sb5#
- 1...d4
- 2.Rxd4#
- threat
- 1.Qg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- R(b);N_GUARD,XP(E)::B(F),XS(a)
- R(b);N_GUARD::B(F),XS(a)
- R(b);N_GUARD,XS(J)::B(F),XS(a)
- R(h);SBLOCK,XP(I)::S(K)
- S(a);N_GUARD::R1(D),XP(c)
- S(a);N_GUARD,XP(E)::R1(D),XP(c)
- S(a);N_GUARD,XS(J)::R1(D),XP(c)
- P(g);SBLOCK,XP(H)::B(F)
- P(g);SBLOCK,XP(I)::S(K)
- Tries
- Try
- B(F);
- Threat
- S(K)
- Vars
- P(g);SBLOCK,XP(H)::B(F)
- S(a);N_GUARD::R1(D),XP(c)
- Refutation
- P(c);
- Try
- B(F);
- Threat
- S(K)
- Vars
- P(g);SBLOCK,XP(H)::B(F)
- S(a);N_GUARD::R1(D),XP(c)
- Refutation
- P(c);
- Try
- B(F);N_PINP(c)
- Threat
- S(K)
- Vars
- P(g);SBLOCK,XP(H)::B(F)
- Refutation
- S(a);
- Try
- R(D);
- Threat
- QAB(A)
- Vars
- R(b);N_GUARD,XS(J)::B(F),XS(a)
- S(a);N_GUARD,XP(E)::R1(D),XP(c)
- S(a);N_GUARD,XS(J)::R1(D),XP(c)
- P(g);SBLOCK,XP(H)::B(F)
- S(a);N_GUARD::R1(D),XP(c)
- Refutation
- S(a);N_SPINP(c)
- Try
- R(D);
- Threat
- QAB(A)
- Vars
- R(b);N_GUARD,XS(J)::B(F),XS(a)
- S(a);N_GUARD,XP(E)::R1(D),XP(c)
- S(a);N_GUARD,XS(J)::R1(D),XP(c)
- P(g);SBLOCK,XP(H)::B(F)
- S(a);N_GUARD::R1(D),XP(c)
- Refutation
- S(a);N_SPINP(c),XR(D)
- Try
- R(D);
- Threat
- QAB(A)
- Vars
- R(b);N_GUARD,XS(J)::B(F),XS(a)
- S(a);N_GUARD,XS(J)::R1(D),XP(c)
- S(a);N_GUARD::R1(D),XP(c)
- Refutation
- P(g);XP(H)
- Try
- Q(A);
- Threat
- QAB(A)
- Vars
- R(b);N_GUARD,XS(J)::B(F),XS(a)
- S(a);N_GUARD,XP(E)::R1(D),XP(c)
- S(a);N_GUARD,XS(J)::R1(D),XP(c)
- P(g);SBLOCK,XP(H)::B(F)
- S(a);N_GUARD::R1(D),XP(c)
- Refutation
- S(a);N_SPINP(c)
- Try
- Q(A);
- Threat
- QAB(A)
- Vars
- R(b);N_GUARD,XS(J)::B(F),XS(a)
- S(a);N_GUARD,XP(E)::R1(D),XP(c)
- S(a);N_GUARD,XS(J)::R1(D),XP(c)
- P(g);SBLOCK,XP(H)::B(F)
- S(a);N_GUARD::R1(D),XP(c)
- Refutation
- S(a);N_SPINP(c)
- Try
- Q(A);
- Threat
- QAB(A)
- Vars
- R(b);N_GUARD,XS(J)::B(F),XS(a)
- S(a);N_GUARD,XP(E)::R1(D),XP(c)
- S(a);N_GUARD,XS(J)::R1(D),XP(c)
- S(a);N_GUARD::R1(D),XP(c)
- Refutation
- S(a);N_SPINP(c)
- Try
- Actual
- Q(A);P_PINS(a)
- Threat
- R1(D),XP(c)
- Vars
- R(b);N_GUARD,N_SPINS(a),XQ(A)::B(F),XS(a)
- P(g);SBLOCK,XP(H)::B(F)
- P(g);SBLOCK,XP(I)::S(K)
- P(c);OGATEB::R(D),XP(c)
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