MESON Chess Problem Database
Problem Display
PID: 92150 (B1n5/3p4/R7/Bnk5/Q7/2r3NK/1qRPPPp1/2r2bb1 w - - 0 1)
Wielgos, Oskar
Schach, 1986
#2
10 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Qb4#
- 1...Qa2
- 2.Qb4#
- 1...Qxc2
- 2.Qb4#
- 1...Qb4
- 2.Qxb4#
- 1...Rxc2
- 2.Se4#
- 1...Rc4
- 2.Qxc4#
- 1...Sa3
- 2.d4#
- 1...Sbd6
- 2.d4#
- 1...Sba7
- 2.d4#
- 1...Sc7
- 2.d4#
- 1...Scd6
- 2.Bb6#
- 1...d5
- 2.Rc6#
- 1...Qa1
- Tries
- 1.Kg4?
- threat
- 2.Se4#
- 1...Qb4+
- 2.Qxb4#
- 1...Rc4+
- 2.Qxc4#
- 1...Qxc2
- 2.Qb4#
- 1...Sbd6
- 2.d4#
- 1...Scd6
- 2.Bb6#
- 1...d5
- 2.Rc6#
- 1...Bxe2+!
- threat
- 1.Kh4?
- threat
- 2.Se4#
- 1...Qb4+
- 2.Qxb4#
- 1...Rc4+
- 2.Qxc4#
- 1...Qxc2
- 2.Qb4#
- 1...Sbd6
- 2.d4#
- 1...Scd6
- 2.Bb6#
- 1...d5
- 2.Rc6#
- 1...Bxf2!
- threat
- 1.Bxc3?
- threat
- 2.Se4#
- 2.Bd4#
- 1...Qxc2
- 2.Qb4#
- 1...Rxc2
- 2.Se4#
- 1...Sxc3
- 2.Se4#
- 2.d4#
- 1...Qb4
- 2.Qxb4#
- 1...Sb6
- 2.Se4#
- 1...Sd4
- 2.Se4#
- 2.Bb4#
- 2.Bxd4#
- 1...Sbd6
- 2.Bd4#
- 2.d4#
- 1...Scd6
- 2.Bd4#
- 1...d5
- 2.Bd4#
- 2.Rc6#
- 1...Qxc3!
- threat
- 1.Rc6+?
- 1...Kd5
- 2.Qe4#
- 1...dxc6!
- 1...Kd5
- 1.dxc3?
- threat
- 2.Se4#
- 1...Qxc3
- 2.Qb4#
- 1...Qxc2
- 2.Qb4#
- 1...Qb4
- 2.Qxb4#
- 1...Scd6
- 2.Bb6#
- 1...d5
- 2.Rc6#
- 1...Sbd6!
- threat
- 1.e3?
- threat
- 2.Se4#
- 1...Qxc2
- 2.Qb4#
- 1...Qb4
- 2.Qxb4#
- 1...Sbd6
- 2.d4#
- 1...Scd6
- 2.Bb6#
- 1...d5
- 2.Rc6#
- 1...Bd3!
- threat
- 1.f3?
- threat
- 2.Se4#
- 1...Qxc2
- 2.Qb4#
- 1...Qb4
- 2.Qxb4#
- 1...Rc4
- 2.Qxc4#
- 1...Scd6
- 2.Bb6#
- 1...d5
- 2.Rc6#
- 1...Sbd6!
- threat
- 1.Kg4?
- Keys
- 1.d3!
- threat
- 2.Se4#
- 1...Qb4
- 2.Qxb4#
- 1...Rc4
- 2.Qxc4#
- 1...Sbd6
- 2.d4#
- 1...Scd6
- 2.Bb6#
- 1...d5
- 2.Rc6#
- threat
- 1.d3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- Q(d);N_GUARD::QAB1(G)
- Q(d);N_GUARD,N_SPINR(f),XR(A)::QAB1(G)
- Q(d);N_GUARD::QAB1(G),XQ(d)
- R(f);N_PINS(E),N_SPINR(f),XR(A)::S(E)
- R(f);N_GUARD,N_PINS(E)::QAR1(G),XR(f)
- S(g);N_GUARD::P(B)
- S(j);N_GUARD,SBLOCK::B(H)
- P(i);N_GUARD,SBLOCK::R1(I)
- Tries
- Try
- K(F);N_SPINS(E),S_FLIGHT
- Threat
- S(E)
- Vars
- Q(d);CHECK,N_GUARD::QAB1(G),XQ(d)
- R(f);CHECK,N_GUARD::QAR1(G),XR(f)
- Q(d);N_GUARD,N_SPINR(f),XR(A)::QAB1(G)
- S(g);N_GUARD::P(B)
- S(j);N_GUARD,SBLOCK::B(H)
- P(i);N_GUARD,SBLOCK::R1(I)
- Refutation
- B(b);CHECK,XP(C)
- Try
- K(F);N_SPINS(E),P-FLIGHT
- Threat
- S(E)
- Vars
- Q(d);CHECK,N_GUARD::QAB1(G),XQ(d)
- R(f);CHECK,N_GUARD::QAR1(G),XR(f)
- Q(d);N_GUARD,N_SPINR(f),XR(A)::QAB1(G)
- S(g);N_GUARD::P(B)
- S(j);N_GUARD,SBLOCK::B(H)
- P(i);N_GUARD,SBLOCK::R1(I)
- Refutation
- B(c);P_PINS(E),XP(D)
- Try
- B(H);N_SPINS(E),XR(f)
- Threat
- DUALS(2)
- Vars
- Q(d);N_GUARD,XR(A)::QAB1(G)
- R(a);XR(A)::S(E)
- Q(d);N_GUARD::QAB1(G),XQ(d)
- S(j);::S(E)
- S(j);::R(A)+B(H),DCHECK
- Refutation
- Q(d);P_PINS(E),P_SPINQ(d),XB(H)
- Try
- R(I);CHECK
- Vars
- K(h);N_SPINR(f),P-FLIGHT::QAB1(G)
- Refutation
- P(i);XR(I)
- Try
- P(B);N_SPINS(E),XR(f)
- Threat
- S(E)
- Vars
- Q(d);N_GUARD,P_PINS(E),P_SPINQ(d),XP(B)::QAB1(G)
- Q(d);N_GUARD,XR(A)::QAB1(G)
- Q(d);N_GUARD::QAB1(G),XQ(d)
- S(j);N_GUARD,SBLOCK::B(H)
- P(i);N_GUARD,SBLOCK::R1(I)
- Refutation
- S(g);
- Try
- P(C);N_SPINS(E)
- Threat
- S(E)
- Vars
- Q(d);N_GUARD,N_SPINR(f),XR(A)::QAB1(G)
- Q(d);N_GUARD::QAB1(G),XQ(d)
- S(g);N_GUARD::P(B)
- S(j);N_GUARD,SBLOCK::B(H)
- P(i);N_GUARD,SBLOCK::R1(I)
- Refutation
- B(b);
- Try
- P(D);N_SPINS(E)
- Threat
- S(E)
- Vars
- Q(d);N_GUARD,N_SPINR(f),XR(A)::QAB1(G)
- Q(d);N_GUARD::QAB1(G),XQ(d)
- R(f);N_GUARD::QAR1(G),XR(f)
- S(j);N_GUARD,SBLOCK::B(H)
- P(i);N_GUARD,SBLOCK::R1(I)
- Refutation
- S(g);
- Try
- Actual
- P(B);N_SPINS(E)
- Threat
- S(E)
- Vars
- Q(d);N_GUARD::QAB1(G),XQ(d)
- R(f);N_GUARD::QAR1(G),XR(f)
- S(g);N_GUARD::P(B)
- S(j);N_GUARD,SBLOCK::B(H)
- P(i);N_GUARD,SBLOCK::R1(I)
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