MESON Chess Problem Database
Problem Display
PID: 241152 (1n2Q3/bp1PBP1b/2B3P1/4Np1r/2P3Pp/1P2k3/5R2/2NRn1K1 w - - 0 1)
Haring, Jacobus
Sachsische Zeitung, 1985
#2
14 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bd4
- 2.Rxe1#
- 1...Bc5
- 2.Bxc5#
- 1...Sc2
- 2.Rd3#
- 2.Rf3#
- 1...Sg2
- 2.Rd3#
- 2.Rf3#
- 1...Sd3
- 2.Rxd3#
- 1...Sf3+
- 2.Rxf3#
- 1...fxg4
- 2.Sxg4#
- 1...f4
- 2.Re2#
- 1...Bd4
- Tries
- 1.Sed3?
- threat
- 2.Bc5#
- 2.Bf6#
- 1...Kd4
- 2.Bf6#
- 1...Sxd3
- 2.Bc5#
- 2.Rxd3#
- 1...Sxc6
- 2.Bc5#
- 1...Sxd7
- 2.Bc5#
- 1...fxg4
- 2.Bc5#
- 1...Bd4
- 2.Bc5#
- 2.Bg5#
- 2.Rxe1#
- 2.Re2#
- 1...Bc5
- 2.Bxc5#
- 1...f4
- 2.Bc5#
- 1...Sf3+!
- threat
- 1.Sf3?
- threat
- 2.Bg5#
- 2.Bd6#
- 1...Sxf3+
- 2.Rxf3#
- 1...Sxc6
- 2.Bg5#
- 1...Sxd7
- 2.Bg5#
- 1...fxg4
- 2.Bg5#
- 1...Rg5
- 2.Bxg5#
- 2.Bd6#
- 1...Bd4
- 2.Bg5#
- 1...Sd3
- 2.Bg5#
- 1...f4
- 2.Bc5#
- 2.Bg5#
- 2.Rxe1#
- 2.Re2#
- 1...Kf4!
- threat
- 1.Bg5+?
- 1...f4
- 2.Sf3#
- 2.Bxf4#
- 2.Re2#
- 1...Rxg5!
- 1...f4
- 1.Bf6?
- threat
- 2.Sed3#
- 1...Sf3+
- 2.Rxf3#
- 1...Sxc6
- 2.Sxc6#
- 1...Sxd7
- 2.Sxd7#
- 1...fxg4
- 2.Sxg4#
- 1...Sd3
- 2.Sexd3#
- 2.Rxd3#
- 1...Bd4
- 2.Rxe1#
- 1...f4
- 2.Re2#
- 1...Bc5!
- threat
- 1.d8Q?
- threat
- 2.Rxe1#
- 2.Qd2#
- 1...Sf3+
- 2.Rxf3#
- 1...Sxc6
- 2.Rxe1#
- 1...bxc6
- 2.Rxe1#
- 1...Bd4
- 2.Rxe1#
- 2.Qxd4#
- 1...Sc2
- 2.Rd3#
- 2.Rf3#
- 2.Qd2#
- 2.Qd3#
- 1...Sg2
- 2.Rd3#
- 2.Rf3#
- 2.Qd2#
- 2.Qd3#
- 1...Sd3
- 2.Rxd3#
- 2.Rf3#
- 2.Qxd3#
- 1...Sd7!
- threat
- 1.d8R?
- threat
- 2.Rxe1#
- 1...Sf3+
- 2.Rxf3#
- 1...Sc2
- 2.R1d3#
- 2.Rf3#
- 2.R8d3#
- 1...Sg2
- 2.R1d3#
- 2.Rf3#
- 2.R8d3#
- 1...Sd3
- 2.R1xd3#
- 2.Rf3#
- 2.R8xd3#
- 1...Sd7!
- threat
- 1.Sed3?
- Keys
- 1.Bd6!
- threat
- 2.Sf3#
- 1...Sf3+
- 2.Sxf3#
- 2.Rxf3#
- 1...Sxc6
- 2.Sxc6#
- 1...Sxd7
- 2.Sxd7#
- 1...fxg4
- 2.Sxg4#
- 1...Sd3
- 2.Rxd3#
- 1...Bd4
- 2.Rxe1#
- 1...f4
- 2.Re2#
- threat
- 1.Bd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- B(f);SBLOCK::R(B),XS(a)
- B(f);N_GUARD::B(L),XB(f)
- S(a);N_GUARD::R1(B),XS(a)
- S(a);CHECK,N_GUARD::R1(D),XS(a)
- P(d);XP(G)::S(H),XP(d)
- P(d);SBLOCK::R1(D)
- Tries
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- K(b);S_FLIGHT::B(L)
- S(i);XB(I)::QAR(N)+B(L),DCHECK
- S(i);XP(K)::QAR(N)+B(L),DCHECK
- P(d);XP(G)::QAR(N)+B(L),DCHECK
- B(f);::QAR(N)+B(L),DCHECK,XB(f)
- P(d);::QAR(N)+B(L),DCHECK
- Refutation
- S(a);CHECK
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- S(a);CHECK,OGATE,XS(H)::R1(D),XS(a)
- S(i);XB(I)::QAR(N)+B(L),DCHECK
- S(i);XP(K)::QAR(N)+B(L),DCHECK
- P(d);XP(G)::QAR(N)+B(L),DCHECK
- B(f);::QAR(N)+B(L),DCHECK
- S(a);::QAR(N)+B(L),DCHECK
- Refutation
- K(b);P_PINR(D),S_FLIGHT
- Try
- B(L);CHECK
- Refutation
- R(e);P_PINP(G),XB(L)
- Try
- B(L);
- Threat
- QAR(N)+S(H)
- Vars
- S(a);CHECK,N_GUARD::R1(D),XS(a)
- S(i);XB(I)::QAR(N)+S(H),XS(i)
- S(i);XP(K)::QAR(N)+S(H),XS(i)
- P(d);XP(G)::QAR(N)+S(H),DCHECK,XP(d)
- B(f);SBLOCK::R(B),XS(a)
- P(d);SBLOCK::R1(D)
- Refutation
- B(f);
- Try
- P(K);
- Threat
- DUALS(2)
- Vars
- S(a);CHECK,N_GUARD::R1(D),XS(a)
- S(i);XB(I)::R(B),XS(a)
- P(g);XB(I)::R(B),XS(a)
- Refutation
- S(i);
- Try
- P(K);
- Threat
- R(B),XS(a)
- Vars
- S(a);CHECK,N_GUARD::R1(D),XS(a)
- Refutation
- S(i);
- Try
- Actual
- B(L);
- Threat
- QAR(N)+S(H)
- Vars
- S(i);XB(I)::QAR(N)+S(H),XS(i)
- S(i);XP(K)::QAR(N)+S(H),XS(i)
- P(d);XP(G)::QAR(N)+S(H),DCHECK,XP(d)
- S(a);N_GUARD::R1(B),XS(a)
- B(f);SBLOCK::R(B),XS(a)
- P(d);SBLOCK::R1(D)
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