MESON Chess Problem Database
Problem Display
PID: 92144 (3q2b1/4R2p/1ppP4/2NkB2Q/N2P4/1K2RppB/3b2r1/4n2n w - - 0 1)
Wielgos, Oskar
Deutsche Schachzeitung, 1985
#2
10 + 12
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxe7
- 2.Sxb6#
- 1...Qxd6
- 2.Sxb6#
- 1...Qd7
- 2.Sxb6#
- 1...Qa8
- 2.Sxb6#
- 1...Qc8
- 2.Sxb6#
- 1...Qe8
- 2.Sxb6#
- 1...Qf8
- 2.Sxb6#
- 1...Bc1
- 2.Sc3#
- 1...Bc3
- 2.Sxc3#
- 1...Bxe3
- 2.Sc3#
- 1...Be6
- 2.Bxe6#
- 1...Bf7
- 2.Qxf7#
- 1...Sc2
- 2.Qxf3#
- 1...Sd3
- 2.Qxf3#
- 1...Qxe7
- Tries
- 1.Sd3?
- threat
- 2.Sf4#
- 1...Bxe3
- 2.Sc3#
- 1...Sxd3
- 2.Qxf3#
- 1...Qf8
- 2.Sxb6#
- 1...c5!
- threat
- 1.Se4?
- threat
- 2.Sf6#
- 2.Bf6#
- 2.Bg7#
- 2.Bh8#
- 1...Qxe7
- 2.Sxb6#
- 1...Qxd6
- 2.Sxb6#
- 1...Bxe3
- 2.Sac3#
- 2.Sec3#
- 2.Sf6#
- 1...Qd7
- 2.Sxb6#
- 2.Sf6#
- 1...Qc8
- 2.Sxb6#
- 2.Sf6#
- 1...Qe8
- 2.Sxb6#
- 2.Sf6#
- 1...Qf8
- 2.Sxb6#
- 2.Bf6#
- 1...Be6
- 2.Sf6#
- 2.Bxe6#
- 1...Bf7
- 2.Sf6#
- 2.Qxf7#
- 1...Sd3
- 2.Sf6#
- 1...c5!
- threat
- 1.Se6?
- threat
- 2.Sf4#
- 2.Bxg3#
- 2.Bf4#
- 1...Qxe7
- 2.Sxb6#
- 2.Sf4#
- 1...Qxd6
- 2.Sxb6#
- 2.Sf4#
- 1...Bxe3
- 2.Sc3#
- 1...Bxe6
- 2.Bxe6#
- 1...Qe8
- 2.Sxb6#
- 2.Sf4#
- 2.Sc7#
- 1...Qf8
- 2.Sxb6#
- 2.Sc7#
- 1...Bf7
- 2.Sf4#
- 1...Sd3
- 2.Qxf3#
- 1...c5!
- threat
- 1.Sb7?
- threat
- 2.Bf6#
- 2.Bg7#
- 2.Bh8#
- 1...Qxe7
- 2.Sxb6#
- 1...Qxd6
- 2.Sxb6#
- 1...Bxe3
- 2.Sc3#
- 1...Qd7
- 2.Sxb6#
- 1...Qc8
- 2.Sxb6#
- 1...Qe8
- 2.Sxb6#
- 1...Qf8
- 2.Sxb6#
- 2.Bf6#
- 1...Be6
- 2.Bxe6#
- 1...Bf7
- 2.Qxf7#
- 1...Sd3
- 2.Qxf3#
- 1...c5!
- threat
- 1.Sd7?
- threat
- 2.Sf6#
- 1...Qxe7
- 2.Saxb6#
- 2.Sdxb6#
- 1...Qxd7
- 2.Sxb6#
- 1...Qf8
- 2.Saxb6#
- 2.Sdxb6#
- 1...c5!
- threat
- 1.Rd3?
- threat
- 2.Bf4#
- 1...Qxe7
- 2.Sxb6#
- 1...Qxd6
- 2.Sxb6#
- 1...Sxd3
- 2.Qxf3#
- 1...Qd7
- 2.Sxb6#
- 1...Qc8
- 2.Sxb6#
- 1...Qe8
- 2.Sxb6#
- 1...Qf8
- 2.Sxb6#
- 1...Bf4
- 2.Sc3#
- 2.Bxf4#
- 1...Bg5
- 2.Sc3#
- 1...Bh6
- 2.Sc3#
- 1...Be6
- 2.Bxe6#
- 1...Bf7
- 2.Qxf7#
- 1...Re2!
- threat
- 1.Re4?
- threat
- 2.Bf4#
- 1...Qxe7
- 2.Sxb6#
- 1...Qxd6
- 2.Sxb6#
- 1...Qd7
- 2.Sxb6#
- 1...Qc8
- 2.Sxb6#
- 1...Qe8
- 2.Sxb6#
- 1...Qf8
- 2.Sxb6#
- 1...Bf4
- 2.Sc3#
- 2.Bxf4#
- 1...Bg5
- 2.Sc3#
- 1...Bh6
- 2.Sc3#
- 1...Be6
- 2.Bxe6#
- 1...Bf7
- 2.Qxf7#
- 1...Sd3!
- threat
- 1.Re6?
- threat
- 2.Bf6#
- 1...Qxd6
- 2.Sxb6#
- 2.Rxd6#
- 1...Bxe3
- 2.Sc3#
- 1...Bxe6
- 2.Bxe6#
- 1...Qh4
- 2.Sxb6#
- 1...Qg5
- 2.Sxb6#
- 1...Qf6
- 2.Sxb6#
- 2.Bxf6#
- 1...Qe8
- 2.Sxb6#
- 1...Sd3
- 2.Qxf3#
- 1...Bf7!
- threat
- 1.Rf7?
- threat
- 2.Be6#
- 1...Qxd6
- 2.Sxb6#
- 1...Bxf7
- 2.Qxf7#
- 1...Qf6
- 2.Sxb6#
- 1...Qe7
- 2.Sxb6#
- 1...Qd7
- 2.Sxb6#
- 1...Qc8
- 2.Sxb6#
- 1...Qe8
- 2.Sxb6#
- 1...bxc5!
- threat
- 1.Qxh7?
- threat
- 2.Qe4#
- 1...Bxh7
- 2.Be6#
- 1...Sf2!
- threat
- 1.Sd3?
- Keys
- 1.Rd7!
- threat
- 2.Bf6#
- 1...Qxd7
- 2.Sxb6#
- 1...Bxe3
- 2.Sc3#
- 1...Qh4
- 2.Sxb6#
- 1...Qg5
- 2.Sxb6#
- 1...Qf6
- 2.Sxb6#
- 2.Bxf6#
- 1...Qe7
- 2.Sxb6#
- 2.dxe7#
- 1...Qe8
- 2.Sxb6#
- 1...Be6
- 2.Bxe6#
- 1...Bf7
- 2.Qxf7#
- 1...Sd3
- 2.Qxf3#
- threat
- 1.Rd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 8
- Sets
- Q(k);N_GUARD,XR(J)::S(D),XP(h)
- Q(k);N_GUARD,XP(I)::S(D),XP(h)
- Q(k);N_GUARD::S(D),XP(h)
- B(c);N_GUARD::S(D)
- B(c);N_GUARD::S(D),XB(c)
- B(c);N_GUARD,XR(B)::S(D)
- B(l);N_GUARD::B(C),XB(l)
- B(l);N_GUARD::QAB(H),XB(l)
- S(a);N_GUARD::QAB(H),XP(e)
- Tries
- Try
- S(F);
- Threat
- S(F)
- Vars
- B(c);N_GUARD,XR(B)::S(D)
- S(a);N_GUARD,XS(F)::QAB(H),XP(e)
- Q(k);N_GUARD::S(D),XP(h)
- Refutation
- P(i);
- Try
- S(F);
- Threat
- DUALS(4)
- Vars
- Q(k);N_GUARD,XR(J)::S(D),XP(h)
- Q(k);N_GUARD,XP(I)::S(D),XP(h)
- S(a);::S(F)
- Refutation
- P(i);
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- B(c);N_GUARD,XR(B)::S(D)
- B(l);OGATE,XS(F)::B(C),XB(l)
- B(l);::S(F)
- S(a);N_GUARD::QAB(H),XP(e)
- Refutation
- P(i);
- Try
- S(F);
- Threat
- DUALS(3)
- Vars
- Q(k);N_GUARD,XR(J)::S(D),XP(h)
- Q(k);N_GUARD,XP(I)::S(D),XP(h)
- B(c);N_GUARD,XR(B)::S(D)
- Q(k);N_GUARD::S(D),XP(h)
- B(l);N_GUARD::B(C),XB(l)
- B(l);N_GUARD::QAB(H),XB(l)
- S(a);N_GUARD::QAB(H),XP(e)
- Refutation
- P(i);
- Try
- S(F);
- Threat
- S(F)
- Vars
- Q(k);N_GUARD,XS(F)::S(D),XP(h)
- Refutation
- P(i);
- Try
- R(B);
- Threat
- QAR(H)+B(G)
- Vars
- Q(k);N_GUARD,XR(J)::S(D),XP(h)
- Q(k);N_GUARD,XP(I)::S(D),XP(h)
- S(a);N_GUARD,XR(B)::QAB(H),XP(e)
- Q(k);N_GUARD::S(D),XP(h)
- B(c);N_GUARD::S(D)
- B(l);N_GUARD::B(C),XB(l)
- B(l);N_GUARD::QAB(H),XB(l)
- Refutation
- R(d);
- Try
- R(B);
- Threat
- QAR(H)+B(G)
- Vars
- Q(k);N_GUARD,XR(J)::S(D),XP(h)
- Q(k);N_GUARD,XP(I)::S(D),XP(h)
- Q(k);N_GUARD::S(D),XP(h)
- B(c);N_GUARD::S(D)
- B(l);N_GUARD::B(C),XB(l)
- B(l);N_GUARD::QAB(H),XB(l)
- Refutation
- S(a);
- Try
- R(J);
- Threat
- QAR(H)+B(G)
- Vars
- B(c);N_GUARD,XR(B)::S(D)
- B(l);OGATE,XR(J)::B(C),XB(l)
- Q(k);N_GUARD::S(D),XP(h)
- S(a);N_GUARD::QAB(H),XP(e)
- Refutation
- B(l);
- Try
- R(J);
- Threat
- B(C)
- Vars
- Q(k);N_GUARD,XP(I)::S(D),XP(h)
- B(l);OGATE,XR(J)::QAB(H),XB(l)
- Q(k);N_GUARD::S(D),XP(h)
- Refutation
- P(h);XS(F)
- Try
- Q(H);XP(j)
- Threat
- QAB1(H)
- Vars
- B(l);N_GUARD,XQ(H)::B(C)
- Refutation
- S(b);
- Try
- Actual
- R(J);
- Threat
- QAR(H)+B(G)
- Vars
- Q(k);N_GUARD,XR(J)::S(D),XP(h)
- B(c);N_GUARD,XR(B)::S(D)
- Q(k);N_GUARD::S(D),XP(h)
- B(l);N_GUARD::B(C),XB(l)
- B(l);N_GUARD::QAB(H),XB(l)
- S(a);N_GUARD::QAB(H),XP(e)
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