MESON Chess Problem Database
Problem Display
PID: 15597 (4Rr2/8/n4pP1/2p1P2P/4kNBR/2P5/3Q4/1K2N1b1 w - - 0 1)
Richter, Frank
1st Prize, East German Chess Federation, 1986
#2
11 + 6
| 3297 | FIDE Album (1986-1988) | 1995 |
SOLUTION
- SOUND
- Sets
- 1...f5
- 2.Bf3#
- 1...f5
- Tries
- 1.Seg2?
- threat
- 2.Qc2#
- 2.Qd3#
- 2.Qd5#
- 1...Rxe8
- 2.Qd5#
- 1...Bd4
- 2.Qc2#
- 2.Qd3#
- 1...Sc7
- 2.Qc2#
- 2.Qd3#
- 1...c4
- 2.Qc2#
- 2.Qd5#
- 1...Sb4!
- threat
- 1.Sd5?
- threat
- 2.Bh3#
- 2.Bd7#
- 2.Bc8#
- 2.Qg2#
- 2.Qd3#
- 1...fxe5
- 2.Qd3#
- 1...Bd4
- 2.Qg2#
- 1...Bf2
- 2.Qd3#
- 1...Bh2
- 2.Qg2#
- 2.Qd3#
- 1...Be3
- 2.Qg2#
- 2.Qd3#
- 1...Sb4
- 2.Bh3#
- 2.Bd7#
- 2.Bc8#
- 2.Qg2#
- 1...c4
- 2.Bh3#
- 2.Bd7#
- 2.Bc8#
- 2.Qg2#
- 1...f5
- 2.Bf3#
- 2.Qg2#
- 2.Qd3#
- 1...Rxe8!
- threat
- 1.Bh3?
- threat
- 2.Se2#
- 2.Sfg2#
- 2.Sd5#
- 2.Qd3#
- 1...fxe5
- 2.Qd3#
- 1...Bf2
- 2.Qd3#
- 1...Bh2
- 2.Qe2#
- 2.Qd3#
- 1...Be3
- 2.Qc2#
- 2.Qg2#
- 2.Qd3#
- 2.Qd5#
- 1...Bd4
- 2.Qd3#
- 1...Sb4
- 2.Se2#
- 2.Sfg2#
- 2.Sd5#
- 1...c4
- 2.Se2#
- 2.Sfg2#
- 2.Sd5#
- 1...f5
- 2.Bg2#
- 2.Qd3#
- 1...Rxe8!
- threat
- 1.Be6?
- threat
- 2.Sfd3#
- 1...Kxe5
- 2.Qd5#
- 1...fxe5
- 2.Qd3#
- 1...Bh2
- 2.Qe2#
- 1...Be3
- 2.Qd5#
- 1...f5
- 2.Bd5#
- 1...Bf2!
- threat
- 1.Bd7?
- threat
- 2.Se2#
- 2.Sfg2#
- 2.Sh3#
- 2.Sd5#
- 2.Qd3#
- 1...fxe5
- 2.Qd3#
- 1...Bf2
- 2.Qd3#
- 1...Bh2
- 2.Qe2#
- 2.Qd3#
- 1...Be3
- 2.Qc2#
- 2.Qg2#
- 2.Qd3#
- 2.Qd5#
- 1...Bd4
- 2.Qd3#
- 1...Sb4
- 2.Se2#
- 2.Sfg2#
- 2.Sh3#
- 2.Sd5#
- 1...c4
- 2.Se2#
- 2.Sfg2#
- 2.Sh3#
- 2.Sd5#
- 1...f5
- 2.Bc6#
- 2.Qd3#
- 1...Rxe8!
- threat
- 1.Bc8?
- threat
- 2.Se2#
- 2.Sfg2#
- 2.Sh3#
- 2.Sd5#
- 2.Qd3#
- 1...fxe5
- 2.Qd3#
- 1...Bf2
- 2.Qd3#
- 1...Bh2
- 2.Qe2#
- 2.Qd3#
- 1...Be3
- 2.Qc2#
- 2.Qg2#
- 2.Qd3#
- 2.Qd5#
- 1...Bd4
- 2.Qd3#
- 1...Sb4
- 2.Se2#
- 2.Sfg2#
- 2.Sh3#
- 2.Sd5#
- 1...c4
- 2.Se2#
- 2.Sfg2#
- 2.Sh3#
- 2.Sd5#
- 1...f5
- 2.Bb7#
- 2.Qd3#
- 1...Rxe8!
- threat
- 1.Qc2+?
- 1...Ke3
- 2.Seg2#
- 2.Sfg2#
- 2.Sd5#
- 1...Kxf4!
- 1...Ke3
- 1.Qe2+?
- 1...Be3
- 2.Qf3#
- 1...Kxf4!
- 1...Be3
- 1.Qg2+?
- 1...Ke3
- 2.Sd5#
- 1...Kxf4!
- 1...Ke3
- 1.Seg2?
- Keys
- 1.Sfd3!
- threat
- 2.Be6#
- 1...Kd5
- 2.Bf3#
- 1...fxe5
- 2.Rxe5#
- 1...Bf2
- 2.Sxf2#
- 1...Bh2
- 2.Sf2#
- 1...Be3
- 2.Qg2#
- 1...f5
- 2.Bf3#
- threat
- 1.Sfd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- P(e);SBLOCK::B(F)
- Tries
- Try
- S(B);
- Threat
- DUALS(3)
- Vars
- R(f);XR(K)::QAB1(C)
- Refutation
- S(d);
- Try
- S(E);
- Threat
- DUALS(5)
- Vars
- P(e);P_SPINP(e),XP(H)::QAB1(C)
- B(a);::QAB(C)
- B(a);::QAB1(C)
- Refutation
- R(f);XR(K)
- Try
- B(F);
- Threat
- DUALS(4)
- Vars
- P(e);P_SPINP(e),XP(H)::QAB1(C)
- B(a);::QAB1(C)
- Refutation
- R(f);XR(K)
- Try
- B(F);
- Threat
- R(G)+S(E)
- Vars
- K(b);P-FLIGHT,XP(H)::QAR1(C)
- P(e);SBLOCK,XP(H)::QAB1(C)
- B(a);N_GUARD::QAR2(C)
- B(a);SBLOCK::QAB1(C)
- P(e);SBLOCK::B(F)
- Refutation
- B(a);
- Try
- B(F);
- Threat
- DUALS(5)
- Vars
- P(e);P_SPINP(e),XP(H)::QAB1(C)
- B(a);::QAB1(C)
- Refutation
- R(f);XR(K)
- Try
- B(F);
- Threat
- DUALS(5)
- Vars
- P(e);P_SPINP(e),XP(H)::QAB1(C)
- B(a);::QAB1(C)
- Refutation
- R(f);XR(K)
- Try
- Q(C);CHECK
- Refutation
- K(b);P-FLIGHT,XS(E)
- Try
- Q(C);CHECK
- Vars
- B(a);P_SPINB(a)::QAB1(C)
- Refutation
- K(b);P-FLIGHT,XS(E)
- Try
- Q(C);CHECK
- Vars
- K(b);P-FLIGHT::S(E)
- Refutation
- K(b);P-FLIGHT,XS(E)
- Try
- Actual
- S(E);
- Threat
- R(G)+B(F)
- Vars
- K(b);S_FLIGHT::B(F)
- P(e);OGATE,P_SPINP(e),XP(H)::R1(K),XP(e)
- B(a);N_GUARD::S(E),XB(a)
- B(a);N_GUARD::S(E)
- B(a);SBLOCK::QAB(C)
- P(e);SBLOCK::R(G)+B(F),DCHECK
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