MESON Chess Problem Database
Problem Display
PID: 92135 (5R2/3K4/3P4/4kB2/1Q3N1B/5rnn/3Prp2/6q1 w - - 0 1)
Wielgos, Oskar
Deutsche Schachzeitung, 1984
#2
8 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxf4
- 2.Qc5#
- 1...Sxf5
- 2.Bf6#
- 1...Rxf4
- Tries
- 1.Sd3+?
- 1...Kd5
- 2.Qc5#
- 1...Rxd3!
- 1...Kd5
- 1.Bxh3?
- threat
- 2.Bf6#
- 2.Re8#
- 1...Re4
- 2.Qc5#
- 1...Se4
- 2.Rf5#
- 2.d4#
- 1...Sf5
- 2.Bf6#
- 2.Rxf5#
- 1...Sh5
- 2.Rf5#
- 2.Re8#
- 1...Rxf4!
- threat
- 1.Be6?
- threat
- 2.Sg6#
- 2.Bf6#
- 1...Sxf4
- 2.Bf6#
- 1...Qb1
- 2.Bf6#
- 1...Re4
- 2.Sg6#
- 2.Qc5#
- 1...Sf1
- 2.Bf6#
- 2.Rf5#
- 1...Sh1
- 2.Bf6#
- 2.Rf5#
- 1...Se4
- 2.Rf5#
- 2.d4#
- 1...Sf5
- 2.Bf6#
- 2.Rxf5#
- 1...Sh5
- 2.Rf5#
- 1...Sg5
- 2.Sg6#
- 1...Rxf4!
- threat
- 1.Bg6?
- threat
- 2.Bf6#
- 2.Re8#
- 2.Qc5#
- 2.d4#
- 1...Rxd2
- 2.Bf6#
- 2.Re8#
- 1...Rxf4
- 2.Qc5#
- 1...f1Q
- 2.Bf6#
- 2.Re8#
- 1...f1S
- 2.Bf6#
- 2.Re8#
- 1...f1B
- 2.Bf6#
- 2.Re8#
- 1...f1R
- 2.Bf6#
- 2.Re8#
- 1...Qa1
- 2.Bf6#
- 2.Re8#
- 2.Qc5#
- 1...Qc1
- 2.Bf6#
- 2.Re8#
- 2.d4#
- 1...Qd1
- 2.Bf6#
- 2.Re8#
- 2.Qc5#
- 1...Re4
- 2.Qc5#
- 1...Rc3
- 2.Bf6#
- 2.Re8#
- 2.Qxc3#
- 2.d4#
- 1...Rd3
- 2.Bf6#
- 2.Re8#
- 1...Se4
- 2.Rf5#
- 2.d4#
- 1...Sf5
- 2.Bf6#
- 2.Rxf5#
- 1...Sh5
- 2.Rf5#
- 2.Re8#
- 2.Qc5#
- 2.d4#
- 1...Sg5
- 2.Qc5#
- 2.d4#
- 1...Sxf4!
- threat
- 1.Bh7?
- threat
- 2.Bf6#
- 2.Re8#
- 2.Qc5#
- 2.d4#
- 1...Rxd2
- 2.Bf6#
- 2.Re8#
- 1...Rxf4
- 2.Qc5#
- 1...f1Q
- 2.Bf6#
- 2.Re8#
- 1...f1S
- 2.Bf6#
- 2.Re8#
- 1...f1B
- 2.Bf6#
- 2.Re8#
- 1...f1R
- 2.Bf6#
- 2.Re8#
- 1...Qa1
- 2.Bf6#
- 2.Re8#
- 2.Qc5#
- 1...Qc1
- 2.Bf6#
- 2.Re8#
- 2.d4#
- 1...Qd1
- 2.Bf6#
- 2.Re8#
- 2.Qc5#
- 1...Re4
- 2.Qc5#
- 1...Rc3
- 2.Bf6#
- 2.Re8#
- 2.Qxc3#
- 2.d4#
- 1...Rd3
- 2.Bf6#
- 2.Re8#
- 1...Se4
- 2.Rf5#
- 2.d4#
- 1...Sf5
- 2.Bf6#
- 2.Rxf5#
- 1...Sh5
- 2.Rf5#
- 2.Re8#
- 2.Qc5#
- 2.d4#
- 1...Sg5
- 2.Qc5#
- 2.d4#
- 1...Sxf4!
- threat
- 1.Qa5+?
- 1...Kd4
- 2.Qd5#
- 1...Kxf4!
- 1...Kd4
- 1.Qb5+?
- 1...Kd4
- 2.Qd5#
- 1...Kxf4!
- 1...Kd4
- 1.Sd3+?
- Keys
- 1.Be4!
- threat
- 2.Sg6#
- 1...Rxe4
- 2.Qc5#
- 1...Rxf4
- 2.Re8#
- 1...Sxe4
- 2.d4#
- 1...Sxf4
- 2.Bf6#
- 1...Sf5
- 2.Rxf5#
- 1...Sf1
- 2.Rf5#
- 1...Sh1
- 2.Rf5#
- 1...Sh5
- 2.Rf5#
- threat
- 1.Be4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- R(d);SBLOCK,XS(C)::QAR2(B)
- S(e);SBLOCK,XB(E)::B(D)
- Tries
- Try
- S(C);CHECK
- Vars
- K(g);P-FLIGHT::QAR1(B)
- Refutation
- R(d);P_PINP(F),XS(C)
- Try
- B(E);XS(f)
- Threat
- DUALS(2)
- Vars
- R(b);SBLOCK::QAR2(B)
- Refutation
- R(d);XS(C)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- S(f);XS(C)::B(D)
- Q(a);::B(D)
- S(e);N_GUARD::R1(H)
- S(f);::S(C)
- Refutation
- R(d);XS(C)
- Try
- B(E);
- Threat
- DUALS(4)
- Vars
- R(d);XS(C)::QAR2(B)
- R(b);::QAR2(B)
- Refutation
- S(f);XS(C)
- Try
- B(E);
- Threat
- DUALS(4)
- Vars
- R(d);XS(C)::QAR2(B)
- R(b);::QAR2(B)
- Refutation
- S(f);XS(C)
- Try
- Q(B);CHECK
- Vars
- K(g);S_FLIGHT::QAR1(B)
- Refutation
- K(g);S_FLIGHT,XS(C)
- Try
- Q(B);CHECK
- Vars
- K(g);S_FLIGHT::QAR1(B)
- Refutation
- K(g);S_FLIGHT,XS(C)
- Try
- Actual
- B(E);
- Threat
- S(C)
- Vars
- R(b);SBLOCK,XB(E)::QAR2(B)
- R(d);SBLOCK,XS(C)::R(H)
- S(e);SBLOCK,XB(E)::P(A)
- S(f);SBLOCK,XS(C)::B(D)
- S(e);N_GUARD::R1(H),XS(e)
- S(e);N_GUARD::R1(H)
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