MESON Chess Problem Database
Problem Display
PID: 136085 (1B1nB3/4R3/2p1P1p1/1n1k4/1p1N2p1/P3KPP1/1N5Q/2R4b w - - 0 1)
Murashev, Pavel Aleksandrovich
Mat Plus, 2010
#2
12 + 8
SOLUTION
- SOUND
- Sets
- 1...Sxa3
- 2.Rd7#
- 1...Sa7
- 2.Rd7#
- 1...Sxe6
- 2.Bxc6#
- 1...Sb7
- 2.Bxc6#
- 1...Sf7
- 2.Bxc6#
- 1...Sxa3
- Tries
- 1.Sd3?
- threat
- 2.Sxb4#
- 2.Sf4#
- 2.Rc5#
- 1...Sxe6
- 2.Sxb4#
- 2.Bxc6#
- 1...bxa3
- 2.Sb4#
- 2.Sf4#
- 2.Rc5#
- 2.Qa2#
- 1...Sc7
- 2.Rd7#
- 1...Sd6
- 2.Rc5#
- 1...Sb7
- 2.Sxb4#
- 2.Sf4#
- 2.Bxc6#
- 1...b3
- 2.Sb4#
- 2.Sf4#
- 2.Rc5#
- 1...c5
- 2.Sf4#
- 2.Rxc5#
- 1...g5
- 2.Sxb4#
- 2.Rc5#
- 1...Sc3!
- threat
- 1.Sb3?
- threat
- 2.Rc5#
- 1...Sxe6
- 2.Bxc6#
- 1...Sc3
- 2.Qd2#
- 1...Sb7
- 2.Bxc6#
- 1...c5
- 2.Rxc5#
- 1...Sc7!
- threat
- 1.Sxb5?
- threat
- 2.Qd2#
- 1...Sxe6
- 2.Bxc6#
- 2.Rd7#
- 1...Bg2!
- threat
- 1.Sxc6?
- threat
- 2.Sxb4#
- 1...Sxc6
- 2.Bxc6#
- 1...bxa3
- 2.Sb4#
- 1...Sc7
- 2.Qd2#
- 1...Sd6
- 2.Qd2#
- 1...b3
- 2.Sb4#
- 1...Sc3!
- threat
- 1.Qc2?
- threat
- 2.Qb3#
- 2.Qe4#
- 2.Qc4#
- 2.Qc5#
- 1...Bxf3
- 2.Qb3#
- 2.Qc4#
- 2.Qc5#
- 1...Sxa3
- 2.Rd7#
- 2.Qe4#
- 2.Qc5#
- 1...Sxd4
- 2.Qe4#
- 2.Qc4#
- 2.Qc5#
- 1...Sxe6
- 2.Bxc6#
- 2.Qb3#
- 2.Qe4#
- 2.Qc4#
- 2.Qxc6#
- 1...Sd6
- 2.Qc5#
- 1...Sc7
- 2.Qc5#
- 1...Sb7
- 2.Bxc6#
- 2.Qb3#
- 2.Qe4#
- 2.Qc4#
- 2.Qxc6#
- 1...b3
- 2.Qxb3#
- 2.Qe4#
- 2.Qc4#
- 2.Qc5#
- 1...c5
- 2.Qe4#
- 2.Qc4#
- 2.Qxc5#
- 1...Sc3!
- threat
- 1.Qh5+?
- 1...g5
- 2.Qxg5#
- 1...gxh5!
- 1...g5
- 1.Qh8?
- threat
- 2.Qe5#
- 1...Sc7
- 2.Rd7#
- 1...Sf7
- 2.Bxc6#
- 1...Sd6!
- threat
- 1.axb4?
- threat
- 2.Rc5#
- 1...Sxe6
- 2.Bxc6#
- 1...Sc3
- 2.Rd7#
- 1...Sb7
- 2.Bxc6#
- 1...c5
- 2.Rxc5#
- 1...Sc7!
- threat
- 1.Sd3?
- Keys
- 1.Qd2!
- threat
- 2.Sxb5#
- 1...Sxa3
- 2.Se2#
- 2.Sb3#
- 2.Sb5#
- 2.Sf5#
- 2.Sxc6#
- 2.Rd7#
- 1...Sxd4
- 2.Qxd4#
- 1...Sxe6
- 2.Bxc6#
- 1...Sc3
- 2.Sb3#
- 1...Sd6
- 2.Sxc6#
- 1...Sc7
- 2.Sxc6#
- 1...Sa7
- 2.Se2#
- 2.Sb3#
- 2.Sb5#
- 2.Sf5#
- 2.Sxc6#
- 2.Rd7#
- threat
- 1.Qd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 4
- Sets
- S(d);N_GUARD,XP(D)::R(J)
- S(d);N_GUARD::R(J)
- S(h);N_GUARD,XP(I)::B(L),XP(f)
- S(h);N_GUARD::B(L),XP(f)
- Tries
- Try
- S(B);
- Threat
- DUALS(3)
- Vars
- S(d);N_GUARD::R(J)
- S(d);::R1(A)
- Refutation
- S(d);
- Try
- S(H);
- Threat
- R1(A)
- Vars
- S(h);N_GUARD,XP(I)::B(L),XP(f)
- S(d);N_GUARD::QAR(C)
- S(h);N_GUARD::B(L),XP(f)
- P(f);::R1(A),XP(f)
- Refutation
- S(d);
- Try
- S(H);XS(d)
- Threat
- QAR(C)
- Refutation
- B(a);
- Try
- S(H);XP(f)
- Threat
- S(H),XP(b)
- Vars
- S(h);OGATE,XS(H)::B(L),XS(h)
- P(b);XP(D)::S(H)
- S(d);N_GUARD::QAR(C)
- P(b);::S(H)
- Refutation
- S(d);
- Try
- Q(C);
- Threat
- DUALS(4)
- Vars
- S(d);::QAR1(C)
- Refutation
- S(d);
- Try
- Q(C);CHECK
- Vars
- P(g);P_SPINP(g)::QAR(C),XP(g)
- Refutation
- P(g);XQ(C)
- Try
- Q(C);
- Threat
- QAR1(C)
- Vars
- S(d);N_GUARD::R(J)
- S(h);N_GUARD::B(L),XP(f)
- Refutation
- S(d);
- Try
- P(D);XP(b)
- Threat
- R1(A)
- Vars
- S(h);N_GUARD,XP(I)::B(L),XP(f)
- S(d);N_GUARD::R(J)
- S(h);N_GUARD::B(L),XP(f)
- P(f);::R1(A),XP(f)
- Refutation
- S(d);
- Try
- Actual
- Q(C);
- Threat
- QAR(C)+S(H),XS(d)
- Vars
- S(d);OGATE,P_SPINS(d),XS(H)::QAR1(C),XS(d)
- S(h);N_GUARD,XP(I)::B(L),XP(f)
- S(d);N_GUARD::QAR(C)+S(H)
- S(d);N_GUARD::QAR(C)+S(H),XP(f)
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