MESON Chess Problem Database
Problem Display
PID: 137586 (4r1q1/1BB4p/Q7/2bpNN2/2P1k3/2P3R1/7p/3K1R2 w - - 0 1)
Haring, Jacobus
5th HM., BCF 110. Ty., 1965-1966
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Qe6
- 2.Rg4#
- 1...Qf7
- 2.Rg4#
- 1...Qxg3
- 2.Bxd5#
- 1...Qg4+
- 2.Rxg4#
- 1...Qg5
- 2.Bxd5#
- 1...Qg6
- 2.Bxd5#
- 1...Qg7
- 2.Bxd5#
- 1...Qf8
- 2.Bxd5#
- 2.Rg4#
- 1...Qh8
- 2.Bxd5#
- 2.Rg4#
- 1...Re6
- 2.Bxd5#
- 1...Ba3
- 2.Re3#
- 1...Be3
- 2.Rxe3#
- 1...Bb4
- 2.Re3#
- 1...Bd6
- 2.Re3#
- 1...Be7
- 2.Re3#
- 1...Bf8
- 2.Re3#
- 1...Qe6
- Tries
- 1.Sd3?
- threat
- 2.Sxc5#
- 2.Rf4#
- 1...Qxg3
- 2.Sxc5#
- 1...Bf2
- 2.Sd6#
- 1...Be3
- 2.Rxe3#
- 1...h1Q
- 2.Sxc5#
- 1...h1R
- 2.Sxc5#
- 1...Qg5
- 2.Sxc5#
- 2.Bxd5#
- 1...Qf8
- 2.Bxd5#
- 2.Rf4#
- 1...Bg1
- 2.Sd6#
- 2.Rf4#
- 1...Ba3
- 2.Rf4#
- 2.Re3#
- 1...Bb4
- 2.Rf4#
- 2.Re3#
- 1...Bd4
- 2.Sd6#
- 2.Rf4#
- 1...Bb6
- 2.Sd6#
- 2.Rf4#
- 1...Bd6
- 2.Sxd6#
- 2.Re3#
- 1...Ba7
- 2.Sd6#
- 2.Rf4#
- 1...Be7
- 2.Rf4#
- 2.Re3#
- 1...Bf8
- 2.Rf4#
- 2.Re3#
- 1...Qg4+!
- threat
- 1.Qb5?
- threat
- 2.Qb1#
- 1...Qg4+
- 2.Rxg4#
- 1...Qxg3
- 2.Bxd5#
- 1...Bd6
- 2.Re3#
- 1...Bb4
- 2.Re3#
- 1...Bf2!
- threat
- 1.Qa1?
- threat
- 2.Qb1#
- 1...Qg4+
- 2.Rxg4#
- 1...Qxg3
- 2.Bxd5#
- 1...Bd6
- 2.Re3#
- 1...Bf2!
- threat
- 1.Qa2?
- threat
- 2.Qb1#
- 2.Qc2#
- 2.Qg2#
- 1...Qg4+
- 2.Rxg4#
- 1...Qxg3
- 2.Bxd5#
- 1...Bd6
- 2.Re3#
- 2.Qe2#
- 1...h1Q
- 2.Qb1#
- 2.Qc2#
- 1...h1B
- 2.Qb1#
- 2.Qc2#
- 1...Bf2!
- threat
- 1.Qa4?
- threat
- 2.Qc2#
- 1...Qg4+
- 2.Rxg4#
- 1...Qxg3
- 2.Bxd5#
- 1...Bd6
- 2.Re3#
- 1...Bf2!
- threat
- 1.Qe6?
- threat
- 2.Bxd5#
- 1...Qg4+
- 2.Rxg4#
- 1...Qxe6
- 2.Rg4#
- 1...Rd8
- 2.Sf7#
- 1...Bf2!
- threat
- 1.Qh6?
- threat
- 2.Rf4#
- 2.Qf4#
- 1...Qg4+
- 2.Rxg4#
- 1...Qxg3
- 2.Sxg3#
- 2.Bxd5#
- 1...Bd6
- 2.Re3#
- 2.Qe3#
- 2.Qf4#
- 1...h1Q
- 2.Qf4#
- 2.Qxh1#
- 1...h1R
- 2.Qf4#
- 2.Qxh1#
- 1...Qg5
- 2.Bxd5#
- 1...Be3
- 2.Rxe3#
- 2.Qxe3#
- 1...Bf2!
- threat
- 1.Sd3?
- Keys
- 1.Qg6!
- threat
- 2.Rg4#
- 1...Qxg6
- 2.Bxd5#
- 1...Rxe5
- 2.Sd6#
- 1...Bd6
- 2.Re3#
- 1...Be3
- 2.Rxe3#
- 1...h5
- 2.Sg7#
- threat
- 1.Qg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- Q(g);N_GUARD::R(D)
- Q(g);N_GUARD,XR(D)::B(I),XP(d)
- Q(g);CHECK,N_GUARD::R(D),XQ(g)
- Q(g);N_GUARD::B(I),XP(d)
- R(f);S_CUTQ(g)::B(I),XP(d)
- B(c);N_GUARD::R1(D)
- B(c);N_GUARD::R1(D),XB(c)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(g);XR(D)::S(F),XB(c)
- B(c);N_GUARD::S(G)
- B(c);N_GUARD::R1(D),XB(c)
- P(a);P_PINR(B)::S(F),XB(c)
- Refutation
- Q(g);CHECK
- Try
- Q(H);
- Threat
- QAB(H)
- Vars
- Q(g);CHECK,N_GUARD::R(D),XQ(g)
- Q(g);N_GUARD,XR(D)::B(I),XP(d)
- B(c);N_GUARD::R1(D)
- Refutation
- B(c);
- Try
- Q(H);
- Threat
- QAB(H)
- Vars
- Q(g);CHECK,N_GUARD::R(D),XQ(g)
- Q(g);N_GUARD,XR(D)::B(I),XP(d)
- B(c);N_GUARD::R1(D)
- Refutation
- B(c);
- Try
- Q(H);
- Threat
- DUALS(3)
- Vars
- Q(g);CHECK,N_GUARD::R(D),XQ(g)
- Q(g);N_GUARD,XR(D)::B(I),XP(d)
- Refutation
- B(c);
- Try
- Q(H);
- Threat
- QAB(H)
- Vars
- Q(g);CHECK,N_GUARD::R(D),XQ(g)
- Q(g);N_GUARD,XR(D)::B(I),XP(d)
- B(c);N_GUARD::R1(D)
- Refutation
- B(c);
- Try
- Q(H);
- Threat
- B(I),XP(d)
- Vars
- Q(g);CHECK,N_GUARD::R(D),XQ(g)
- Q(g);N_GUARD,XQ(H)::R(D)
- R(f);N_GUARD::QAR(H)+S(F)
- Refutation
- B(c);
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- Q(g);CHECK,N_GUARD::R(D),XQ(g)
- Q(g);N_GUARD::B(I),XP(d)
- Refutation
- B(c);
- Try
- Actual
- Q(H);
- Threat
- R(D)
- Vars
- Q(g);N_GUARD,XQ(H)::B(I),XP(d)
- R(f);SBLOCK,XS(F)::QAB(H)+S(G),DCHECK
- B(c);N_GUARD::R1(D)
- B(c);N_GUARD::R1(D),XB(c)
- P(e);N_GUARD::QAB(H)+S(G)
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