MESON Chess Problem Database
Problem Display
PID: 156158 (6R1/1q3N2/3B3b/3b4/6p1/1Q1N1k2/2p5/4RK2 w - - 0 1)
Lipton, Michael
The Problemist, 2014
#2
7 + 6
SOLUTION
- SOUND
- Sets
- 1...Qa6
- 2.Qxd5#
- 1...Qc8
- 2.Qxd5#
- 1...Qb6
- 2.Qxd5#
- 1...Qa7
- 2.Qxd5#
- 1...Qc7
- 2.Qxd5#
- 1...Qd7
- 2.Qxd5#
- 1...Qb8
- 2.Qxd5#
- 1...Bf4
- 2.Sde5#
- 1...Bg5
- 2.Sxg5#
- 1...Bg7
- 2.Sg5#
- 1...Bf8
- 2.Sg5#
- 1...c1B
- 2.Qd1#
- 1...g3
- 2.Sfe5#
- 2.Rxg3#
- 1...Qa6
- Tries
- 1.Sb4+?
- 1...Be3
- 2.Sg5#
- 2.Rxe3#
- 2.Qxe3#
- 1...Bxb3!
- 1...Be3
- 1.Bh2?
- threat
- 2.Sde5#
- 2.Sfe5#
- 1...Qxf7
- 2.Se5#
- 1...Bxf7
- 2.Se5#
- 1...Qa6
- 2.Se5#
- 2.Qxd5#
- 1...Qb5
- 2.Se5#
- 1...Qc7
- 2.Sde5#
- 2.Qxd5#
- 1...Qe7
- 2.Sde5#
- 1...Qb8
- 2.Sde5#
- 2.Qxd5#
- 1...Bc4
- 2.Se5#
- 1...Bf4
- 2.Sde5#
- 1...Bg7
- 2.Sde5#
- 2.Sg5#
- 1...g3
- 2.Sfe5#
- 2.Rxg3#
- 1...Be3!
- threat
- 1.Bf4?
- threat
- 2.Sfe5#
- 2.Re3#
- 1...Qxf7
- 2.Re3#
- 1...Bxf7
- 2.Re3#
- 1...Bxf4
- 2.Sde5#
- 1...c1Q
- 2.Sfe5#
- 1...c1B
- 2.Sfe5#
- 2.Qd1#
- 1...c1R
- 2.Sfe5#
- 1...Qb6
- 2.Sfe5#
- 2.Qxd5#
- 1...Qa7
- 2.Sfe5#
- 2.Qxd5#
- 1...Qc7
- 2.Re3#
- 2.Qxd5#
- 1...Qb8
- 2.Re3#
- 2.Qxd5#
- 1...Bg7
- 2.Sg5#
- 2.Re3#
- 1...Qe7!
- threat
- 1.Rxg4?
- threat
- 2.Sde5#
- 2.Sfe5#
- 2.Rg3#
- 1...Qxf7
- 2.Se5#
- 2.Rg3#
- 1...Bxf7
- 2.Se5#
- 2.Rg3#
- 1...Qa6
- 2.Se5#
- 2.Rg3#
- 1...Qb5
- 2.Se5#
- 2.Rg3#
- 1...Qe7
- 2.Sde5#
- 2.Rg3#
- 1...Bc4
- 2.Se5#
- 2.Rg3#
- 1...Be3
- 2.Sde5#
- 2.Sfe5#
- 1...Bf4
- 2.Sde5#
- 1...Bg7
- 2.Sde5#
- 2.Rg3#
- 1...Kxg4!
- threat
- 1.Qxc2?
- threat
- 2.Qd1#
- 2.Qe2#
- 2.Qf2#
- 2.Qg2#
- 1...Be3
- 2.Qg2#
- 1...Bf4
- 2.Qf2#
- 2.Qg2#
- 1...Qb1
- 2.Qe2#
- 2.Qf2#
- 2.Qg2#
- 1...Qb3
- 2.Qe2#
- 2.Qf2#
- 2.Qg2#
- 1...Qb6
- 2.Qd1#
- 2.Qe2#
- 2.Qg2#
- 1...Qa7
- 2.Qd1#
- 2.Qe2#
- 2.Qg2#
- 1...Qe7
- 2.Qf2#
- 2.Qg2#
- 1...Bb3
- 2.Qe2#
- 2.Qf2#
- 2.Qg2#
- 1...Bd2
- 2.Qd1#
- 1...g3
- 2.Sfe5#
- 2.Rxg3#
- 2.Qd1#
- 2.Qe2#
- 2.Qg2#
- 1...Qb2!
- threat
- 1.Sb4+?
- Keys
- 1.Rf8!
- threat
- 2.Sg5#
- 1...Qxf7
- 2.Qxd5#
- 1...Bxf7
- 2.Qxb7#
- 1...Bf4
- 2.Sde5#
- 1...g3
- 2.Sfe5#
- 1...Bg5
- 2.Sxg5#
- threat
- 1.Rf8!
This is a version of 28913
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 10
- Sets
- Q(f);N_GUARD,P_PINS(D)::QAB(C),XB(d)
- Q(f);N_GUARD::QAB(C),XB(d)
- B(e);SBLOCK::QAR(C)+S(D),DCHECK
- B(e);N_GUARD::S(F),XB(e)
- B(e);N_GUARD::S(F)
- P(a);OGATE::QAB(C)
- Tries
- Try
- S(D);CHECK
- Refutation
- B(d);XQ(C)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(f);XS(F)::QAR(C)+S(D),DCHECK
- B(d);XS(F)::QAR(C)+S(D),DCHECK
- Q(f);P_PINS(D)::S(F)
- Q(f);::QAR(C)+S(D),DCHECK
- B(d);P_PINS(D)::S(F)
- B(e);::QAR(C)+S(D),DCHECK
- Refutation
- B(e);
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- Q(f);XS(F)::R1(A)
- B(d);XS(F)::R1(A)
- B(e);SBLOCK,XB(E)::QAR(C)+S(D),DCHECK
- P(a);P_PINR(A)::S(F)
- Refutation
- Q(f);
- Try
- R(G);XP(c)
- Threat
- DUALS(3)
- Vars
- B(e);::QAR(C)+S(D),DCHECK
- Refutation
- K(b);S_FLIGHT,XR(G)
- Try
- Q(C);XP(a)
- Threat
- DUALS(4)
- Vars
- B(e);::QAB1(C)
- B(e);::QAB(C)
- Refutation
- Q(f);
- Try
- Actual
- R(G);
- Threat
- R(G)+S(F),DCHECK
- Vars
- Q(f);N_GUARD,P_SPINQ(f),XS(F)::QAB(C),XB(d)
- B(d);OGATEB,P_SPINB(d),XS(F)::QAB(C),XQ(f)
- B(e);SBLOCK::QAR(C)+S(D),DCHECK
- P(c);SBLOCK::R(G)+S(F),DCHECK
- B(e);::R(G)+S(F),DCHECK,XB(e)
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