MESON Chess Problem Database
Problem Display
PID: 167041 (8/4n3/3p4/R7/BpkB2K1/1R3p2/1p6/1N1Qn1b1 w - - 0 1)
Shire, David J
Phenix, 2017
#2
7 + 8
SOLUTION
- SOUND
- Sets
- 1...Bxd4
- 2.Sd2#
- 1...Sc2
- 2.Qd3#
- 1...Sg2
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sd5
- 2.Bb5#
- 1...d5
- 2.Bb5#
- 2.Rc5#
- 1...Bxd4
- Tries
- 1.Bxg1?
- threat
- 2.Sd2#
- 2.Bb5#
- 2.Qd4#
- 1...Sc2
- 2.Sd2#
- 2.Qxc2#
- 2.Qf1#
- 2.Qd3#
- 1...Sd3
- 2.Sd2#
- 2.Qc2#
- 2.Qxd3#
- 1...Sf5
- 2.Sd2#
- 2.Bb5#
- 2.Qd5#
- 1...Sc6
- 2.Sd2#
- 2.Bb5#
- 2.Qd5#
- 1...f2!
- threat
- 1.Bxb2?
- threat
- 2.Sd2#
- 1...Bc5
- 2.Bb5#
- 1...Be3!
- threat
- 1.Bf2?
- threat
- 2.Sd2#
- 2.Bb5#
- 2.Qd4#
- 1...Sc2
- 2.Sd2#
- 2.Qxc2#
- 2.Qf1#
- 2.Qd3#
- 1...Sd3
- 2.Sd2#
- 2.Qc2#
- 2.Qxd3#
- 1...Sf5
- 2.Sd2#
- 2.Bb5#
- 2.Qd5#
- 1...Sc6
- 2.Sd2#
- 2.Bb5#
- 2.Qd5#
- 1...Bxf2!
- threat
- 1.Be3?
- threat
- 2.Sd2#
- 2.Bb5#
- 2.Qd4#
- 1...Sc2
- 2.Sd2#
- 2.Qxc2#
- 2.Qf1#
- 2.Qd3#
- 1...Sd3
- 2.Sd2#
- 2.Qc2#
- 2.Qxd3#
- 1...Sf5
- 2.Sd2#
- 2.Bb5#
- 2.Qd5#
- 1...Sc6
- 2.Sd2#
- 2.Bb5#
- 2.Qd5#
- 1...Bxe3!
- threat
- 1.Bc5?
- threat
- 2.Rxb4#
- 1...Bxc5
- 2.Bb5#
- 1...dxc5
- 2.Bb5#
- 1...Bd4
- 2.Qxd4#
- 1...Sd3
- 2.Qxd3#
- 1...Sc2
- 2.Qd3#
- 1...Sd5
- 2.Sd2#
- 1...Sc6!
- threat
- 1.Bb6?
- threat
- 2.Sd2#
- 2.Bb5#
- 1...Be3
- 2.Bb5#
- 1...Bd4
- 2.Sd2#
- 2.Qxd4#
- 1...Bc5
- 2.Bb5#
- 1...Sc2
- 2.Sd2#
- 2.Qxc2#
- 2.Qf1#
- 2.Qd3#
- 1...Sd3
- 2.Sd2#
- 2.Qc2#
- 2.Qxd3#
- 1...Bxb6!
- threat
- 1.Bf6?
- threat
- 2.Sd2#
- 1...Bc5
- 2.Bb5#
- 1...Be3!
- threat
- 1.Bg7?
- threat
- 2.Sd2#
- 1...Bc5
- 2.Bb5#
- 1...Be3!
- threat
- 1.Bh8?
- threat
- 2.Sd2#
- 1...Bc5
- 2.Bb5#
- 1...Be3!
- threat
- 1.Rd3?
- threat
- 2.Bb3#
- 2.Qb3#
- 1...b3
- 2.Qxb3#
- 1...Sc2
- 2.Bb3#
- 2.Qxc2#
- 1...Sxd3!
- threat
- 1.Re3?
- threat
- 2.Bb3#
- 1...Sd3
- 2.Qxd3#
- 1...b3!
- threat
- 1.Rxf3?
- threat
- 2.Bb3#
- 1...Sd3
- 2.Qxd3#
- 1...b3!
- threat
- 1.Qe2+?
- 1...Kxd4
- 2.Rxb4#
- 1...Sd3
- 2.Qxd3#
- 1...fxe2!
- 1...Kxd4
- 1.Bxg1?
- Keys
- 1.Bc3!
- threat
- 2.Rxb4#
- 1...bxc3
- 2.Sa3#
- 1...Bc5
- 2.Bb5#
- 1...Sc2
- 2.Qf1#
- 1...Sd3
- 2.Sd2#
- 1...Sd5
- 2.Qxd5#
- 1...Sc6
- 2.Qd5#
- threat
- 1.Bc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- B(b);SBLOCK,XB(E)::S(A)
- S(a);N_GUARD::QAB1(B)
- S(a);N_GUARD::QAB1(B),XS(a)
- S(h);SBLOCK::B(D)
- Tries
- Try
- B(E);XB(b)
- Threat
- DUALS(3)
- Refutation
- P(d);
- Try
- B(E);XP(c)
- Threat
- S(A)
- Vars
- B(b);SBLOCK::B(D)
- Refutation
- B(b);
- Try
- B(E);
- Threat
- DUALS(3)
- Refutation
- B(b);XB(E)
- Try
- B(E);
- Threat
- DUALS(3)
- Refutation
- B(b);XB(E)
- Try
- B(E);
- Threat
- R1(C),XP(e)
- Vars
- B(b);SBLOCK,XB(E)::B(D)
- P(g);SBLOCK,XB(E)::B(D)
- B(b);N_GUARD::QAR1(B),XB(b)
- S(a);N_GUARD::QAB1(B),XS(a)
- S(a);N_GUARD::QAB1(B)
- S(h);SBLOCK::S(A)
- Refutation
- S(h);
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- B(b);::B(D)
- Refutation
- B(b);XB(E)
- Try
- B(E);
- Threat
- S(A)
- Vars
- B(b);SBLOCK::B(D)
- Refutation
- B(b);
- Try
- B(E);
- Threat
- S(A)
- Vars
- B(b);SBLOCK::B(D)
- Refutation
- B(b);
- Try
- B(E);
- Threat
- S(A)
- Vars
- B(b);SBLOCK::B(D)
- Refutation
- B(b);
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- P(e);::QAB1(B),XP(e)
- Refutation
- S(a);XR(C)
- Try
- R(C);
- Threat
- B(D)
- Vars
- S(a);N_GUARD::QAB1(B),XS(a)
- Refutation
- P(e);
- Try
- R(C);XP(d)
- Threat
- B(D)
- Vars
- S(a);N_GUARD::QAB1(B),XS(a)
- Refutation
- P(e);
- Try
- Q(B);CHECK
- Vars
- K(f);P-FLIGHT,XB(E)::R(C),XP(e)
- S(a);N_GUARD,P_SPINS(a)::QAB1(B),XS(a)
- Refutation
- P(d);XQ(B)
- Try
- Actual
- B(E);
- Threat
- R1(C),XP(e)
- Vars
- P(e);N_GUARD,XB(E)::S(A)
- B(b);SBLOCK::B(D)
- S(a);OGATE::QAB(B)
- S(a);SBLOCK::S(A)
- S(h);N_GUARD::QAB1(B),XS(h)
- S(h);N_GUARD::QAB1(B)
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