MESON Chess Problem Database
Problem Display
PID: 151385 (4Nn2/8/4p3/2n1k2K/3rN1p1/5RP1/Q1B5/B7 w - - 0 1)
Murashev, Pavel Aleksandrovich
1/2 Prize, Moscow Ty., 2010
#2
8 + 6
| 23 | Die Schwalbe | 2013 |
SOLUTION
- SOUND
- Tries
- 1.S4d6?
- threat
- 2.Sf7#
- 1...Sd3
- 2.Re3#
- 1...Sb3!
- threat
- 1.S4f6?
- threat
- 2.Sxg4#
- 1...gxf3
- 2.Sg4#
- 1...Sb3
- 2.Re3#
- 1...Sd3!
- threat
- 1.Qc4?
- threat
- 2.Bxd4#
- 2.Qxd4#
- 2.Qxc5#
- 1...Sxe4
- 2.Bxd4#
- 2.Qxd4#
- 1...gxf3
- 2.Qxc5#
- 1...Sd3
- 2.Qxd4#
- 1...Sa4
- 2.Bxd4#
- 2.Qxd4#
- 1...Sa6
- 2.Bxd4#
- 2.Qxd4#
- 1...Sb7
- 2.Bxd4#
- 2.Qxd4#
- 1...Scd7
- 2.Bxd4#
- 2.Qxd4#
- 1...Sfd7
- 2.Bxd4#
- 2.Qxd4#
- 1...Sb3!
- threat
- 1.Qa5?
- threat
- 2.Qxc5#
- 1...Kd5
- 2.Qxc5#
- 1...Sd7!
- threat
- 1.S4d6?
- Keys
- 1.Re3!
- threat
- 2.Sxc5#
- 1...Kf5
- 2.S4d6#
- 1...Sxe4
- 2.Qa5#
- 1...Sb3
- 2.S4f6#
- 1...Sd3
- 2.S4d6#
- 1...Sa4
- 2.Sd2#
- 2.Sf2#
- 2.Sc5#
- 2.Sg5#
- 2.S4d6#
- 2.S4f6#
- 1...Sa6
- 2.Sd2#
- 2.Sf2#
- 2.Sc5#
- 2.Sg5#
- 2.S4d6#
- 2.S4f6#
- 1...Sb7
- 2.Sd2#
- 2.Sf2#
- 2.Sc5#
- 2.Sg5#
- 2.S4d6#
- 2.S4f6#
- 1...Scd7
- 2.Sd2#
- 2.Sf2#
- 2.Sc5#
- 2.Sg5#
- 2.S4d6#
- 2.S4f6#
- threat
- 1.Re3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(F);
- Threat
- S(F)
- Vars
- S(c);N_GUARD::R(D)
- Refutation
- S(c);
- Try
- S(F);
- Threat
- S(F),XP(b)
- Vars
- P(b);XR(D)::S(F)
- S(c);N_GUARD::R(D)
- Refutation
- S(c);
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- P(b);XR(D)::QAR2(B),XS(c)
- S(c);::QAB1(B),XR(a)
- Refutation
- S(c);
- Try
- Q(B);P_PINS(c)
- Threat
- QAR2(B),XS(c)
- Vars
- K(d);N_SPINR(a),P-FLIGHT::QAR1(B),XS(c)
- Refutation
- S(f);
- Try
- Actual
- R(D);
- Threat
- R(D)+S(F),XS(c)
- Vars
- K(d);N_SPINR(a),P-FLIGHT::B(C)+S(F),DCHECK
- S(c);OGATEB,P_SPINS(c),XS(F)::QAR(B)
- S(c);N_GUARD::R(D)+S(F)
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