MESON Chess Problem Database
Problem Display
PID: 101910 (2n2NNr/8/5p1P/R1b1nk1K/3R1P1p/4P2p/p4P2/6Q1 w - - 0 1)
Segers, Marcel
diagrammes, 1989
#2
10 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxh6+
- 2.Sxh6#
- 1...Ba3
- 2.Qg4#
- 2.Qg6#
- 1...Bb4
- 2.Qg4#
- 2.Qg6#
- 1...Bxd4
- 2.Qg6#
- 1...Bb6
- 2.Qg4#
- 2.Qg6#
- 1...Bd6
- 2.Qg4#
- 2.Qg6#
- 1...Ba7
- 2.Qg4#
- 2.Qg6#
- 1...Be7
- 2.Qg4#
- 2.Qg6#
- 1...Bxf8
- 2.Qg4#
- 1...Sd3
- 2.Qg4#
- 2.Qg6#
- 1...Sf3
- 2.Qg4#
- 2.Qg6#
- 1...Sc4
- 2.Qg4#
- 2.Qg6#
- 1...Sg4
- 2.Qxg4#
- 1...Sc6
- 2.Qg4#
- 2.Qg6#
- 1...Sg6
- 2.Qg4#
- 2.Qxg6#
- 1...Sd7
- 2.Qg4#
- 2.Qg6#
- 1...Sf7
- 2.Qg4#
- 2.Qg6#
- 1...Sd6
- 2.Se7#
- 1...Rxh6+
- Tries
- 1.Se7+?
- 1...Bxe7
- 2.Qg4#
- 2.Qg6#
- 1...Sxe7!
- 1...Bxe7
- 1.Rxc5?
- threat
- 2.Qg4#
- 2.Qg6#
- 1...Rxh6+
- 2.Sxh6#
- 1...Se7
- 2.Sxe7#
- 2.Qg4#
- 1...Rxg8!
- threat
- 1.Qh2?
- threat
- 2.e4#
- 1...Rxh6+
- 2.Sxh6#
- 1...Bxf8
- 2.Qxh3#
- 1...Sd6
- 2.Se7#
- 1...Bxd4!
- threat
- 1.Qh1?
- threat
- 2.Qe4#
- 1...Rxh6+
- 2.Sxh6#
- 1...Bxf8
- 2.Qxh3#
- 1...Sf3
- 2.Qxh3#
- 1...Sd6
- 2.Se7#
- 1...Bxd4!
- threat
- 1.Qg2?
- threat
- 2.Qe4#
- 1...Rxh6+
- 2.Sxh6#
- 1...Bxd4
- 2.Qg6#
- 1...Bxf8
- 2.Qxh3#
- 2.Qg4#
- 1...Sf3
- 2.Qxh3#
- 2.Qg4#
- 2.Qg6#
- 1...Sd6
- 2.Se7#
- 1...hxg2!
- threat
- 1.Qg3?
- threat
- 2.e4#
- 1...Rxh6+
- 2.Sxh6#
- 1...Bxd4
- 2.Qg6#
- 1...Bxf8
- 2.Qxh3#
- 2.Qg4#
- 1...Sd6
- 2.Se7#
- 1...hxg3!
- threat
- 1.Qg7?
- threat
- 2.Qxf6#
- 1...Rxh6+
- 2.Sxh6#
- 1...Bxd4
- 2.Qg6#
- 1...Be7
- 2.Qg4#
- 2.Qg6#
- 1...Sg4
- 2.Qxg4#
- 2.Qg6#
- 2.Qd7#
- 1...Sd7
- 2.Qg4#
- 2.Qg6#
- 2.Qxd7#
- 1...Rxg8!
- threat
- 1.Se7+?
- Keys
- 1.Qc1!
- threat
- 2.e4#
- 1...Rxh6+
- 2.Sxh6#
- 1...Bxd4
- 2.Qc2#
- 1...Bxf8
- 2.Qxc8#
- 1...Sd6
- 2.Se7#
- threat
- 1.Qc1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- R(i);CHECK,XP(H)::S(J),XR(i)
- B(d);P_SPINS(e),XR(D)::QAB1(A)
- B(d);P_SPINS(e),XS(I)::QAB1(A)
- S(e);N_GUARD,P_SPINB(d)::QAB1(A),XS(e)
- S(h);N_GUARD,S_CUTB(d)::S(J)
- Tries
- Try
- S(J);CHECK
- Refutation
- S(h);XS(J)
- Try
- R(F);P_PINS(e),XB(d)
- Threat
- DUALS(2)
- Vars
- R(i);CHECK,XP(H)::S(J),XR(i)
- Refutation
- R(i);N_PINP(H),XS(J)
- Try
- Q(A);
- Threat
- P(C)
- Vars
- R(i);CHECK,XP(H)::S(J),XR(i)
- B(d);P_SPINS(e),XS(I)::QAB(A),XP(b)
- S(h);N_GUARD,S_CUTB(d)::S(J)
- Refutation
- B(d);P_SPINS(e),XR(D)
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- R(i);CHECK,XP(H)::S(J),XR(i)
- B(d);P_SPINS(e),XS(I)::QAB(A),XP(b)
- S(e);N_GUARD,P_SPINB(d)::QAB(A),XP(b)
- S(h);N_GUARD,S_CUTB(d)::S(J)
- Refutation
- B(d);P_SPINS(e),XR(D)
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- R(i);CHECK,XP(H)::S(J),XR(i)
- B(d);P_SPINS(e),XR(D)::QAB1(A)
- S(h);N_GUARD,S_CUTB(d)::S(J)
- Refutation
- P(b);XQ(A)
- Try
- Q(A);
- Threat
- P(C)
- Vars
- R(i);CHECK,XP(H)::S(J),XR(i)
- B(d);P_SPINS(e),XR(D)::QAB1(A)
- S(h);N_GUARD,S_CUTB(d)::S(J)
- Refutation
- P(c);XQ(A)
- Try
- Q(A);
- Threat
- QAR1(A),XP(g)
- Vars
- R(i);CHECK,XP(H)::S(J),XR(i)
- B(d);P_SPINS(e),XR(D)::QAB1(A)
- Refutation
- R(i);N_PINP(H),XS(J)
- Try
- Actual
- Q(A);
- Threat
- P(C)
- Vars
- R(i);CHECK,XP(H)::S(J),XR(i)
- B(d);P_SPINS(e),XR(D)::QAB(A)
- B(d);OGATE,P_SPINS(e),XS(I)::QAB(A),XS(h)
- S(h);N_GUARD,S_CUTB(d)::S(J)
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