MESON Chess Problem Database
Problem Display
PID: 75593 (8/3pN3/K5N1/3P4/2Qpk1B1/R6b/2p2p2/3q2B1 w - - 0 1)
Ferron de la Fuente, Ernesto
The Problemist, 2007
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Qe2
- 2.Qxe2#
- 1...Qf3
- 2.Bxf3#
- 1...Qxg4
- 2.Qd3#
- 1...Qa1
- 2.Bf3#
- 2.Qe2#
- 2.Qd3#
- 1...Qb1
- 2.Bf3#
- 2.Qe2#
- 2.Qd3#
- 1...Qc1
- 2.Bf3#
- 2.Qd3#
- 1...Qe1
- 2.Bf3#
- 2.Qd3#
- 1...Qf1
- 2.Bf3#
- 1...Qxg1
- 2.Bf3#
- 2.Qe2#
- 2.Qd3#
- 1...Qd2
- 2.Bf3#
- 1...Qd3
- 2.Qxd3#
- 1...Bf1
- 2.Bf5#
- 1...Bg2
- 2.Bf5#
- 1...f1Q
- 2.Re3#
- 1...f1B
- 2.Re3#
- 1...f1R
- 2.Re3#
- 1...Qe2
- Tries
- 1.Sf5?
- threat
- 2.Sg3#
- 2.Sd6#
- 2.Re3#
- 1...Qxg4
- 2.Sd6#
- 1...Qxg1
- 2.Sd6#
- 2.Re3#
- 2.Qxd4#
- 1...Bxg4
- 2.Sg3#
- 2.Sd6#
- 1...fxg1Q
- 2.Sd6#
- 1...fxg1B
- 2.Sg3#
- 2.Sd6#
- 1...fxg1R
- 2.Sd6#
- 2.Re3#
- 1...c1Q
- 2.Sg3#
- 2.Sd6#
- 1...c1B
- 2.Sg3#
- 2.Sd6#
- 1...f1S
- 2.Sd6#
- 1...Qe2
- 2.Sg3#
- 2.Sd6#
- 1...Qf3
- 2.Sd6#
- 2.Qxd4#
- 1...Qa1
- 2.Sg3#
- 2.Sd6#
- 1...Qc1
- 2.Sg3#
- 2.Sd6#
- 2.Qxd4#
- 1...Qe1
- 2.Sg3#
- 2.Sd6#
- 2.Qxd4#
- 1...Qd2
- 2.Sg3#
- 2.Sd6#
- 1...d6
- 2.Sg3#
- 2.Sxd6#
- 2.Re3#
- 1...Qd3!
- threat
- 1.Sc8?
- threat
- 2.Sd6#
- 1...d6
- 2.Sxd6#
- 1...Qd3!
- threat
- 1.Bxd1?
- threat
- 2.Bxc2#
- 2.Bf3#
- 2.Qe2#
- 2.Qd3#
- 1...cxd1S
- 2.Qd3#
- 1...cxd1B
- 2.Qd3#
- 1...cxd1R
- 2.Qe2#
- 1...fxg1Q
- 2.Bxc2#
- 2.Bf3#
- 2.Qd3#
- 1...fxg1S
- 2.Bxc2#
- 2.Qd3#
- 1...fxg1B
- 2.Bxc2#
- 2.Bf3#
- 2.Qd3#
- 1...c1Q
- 2.Bf3#
- 2.Qd3#
- 1...c1S
- 2.Bf3#
- 1...c1B
- 2.Bc2#
- 2.Bf3#
- 2.Qd3#
- 1...c1R
- 2.Bf3#
- 2.Qe2#
- 2.Qd3#
- 1...f1Q
- 2.Re3#
- 1...f1S
- 2.Bxc2#
- 2.Bf3#
- 2.Qd3#
- 2.Qxd4#
- 1...f1B
- 2.Bf3#
- 2.Re3#
- 1...f1R
- 2.Bxc2#
- 2.Re3#
- 2.Qe2#
- 2.Qd3#
- 2.Qxd4#
- 1...Bf1
- 2.Bf3#
- 1...Bg2
- 2.Bxc2#
- 2.Qe2#
- 2.Qd3#
- 1...Bg4
- 2.Bxc2#
- 2.Qd3#
- 1...cxd1Q!
- threat
- 1.Bxh3?
- threat
- 2.Bf5#
- 1...Qd3
- 2.Qxd3#
- 1...f1Q
- 2.Re3#
- 1...f1R
- 2.Re3#
- 1...Qg4
- 2.Qd3#
- 1...Qh5
- 2.Qd3#
- 1...Qf3!
- threat
- 1.Qxc2+?
- 1...Qxc2
- 2.Bf3#
- 1...Qd3+
- 2.Qxd3#
- 1...d3!
- 1...Qxc2
- 1.Qxd4+?
- 1...Qxd4
- 2.Bf3#
- 1...Kxd4!
- 1...Qxd4
- 1.Sf5?
- Keys
- 1.d6!
- threat
- 2.Qd5#
- 1...Qd3
- 2.Qxd3#
- 1...f1Q
- 2.Re3#
- 1...f1B
- 2.Re3#
- 1...Qe2
- 2.Qxe2#
- 1...Qf1
- 2.Bf3#
- 1...Bf1
- 2.Bf5#
- threat
- 1.d6!
This is after
There are these versions: 145257
After a problem by J F Ling.
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- Q(a);N_GUARD,P_PINQ(C)::QAR2(C),XQ(a)
- Q(a);N_GUARD::B(D),XQ(a)
- Q(a);N_GUARD,XB(D)::QAB1(C)
- Q(a);N_GUARD,P_PINQ(C)::B(D)
- Q(a);N_GUARD::B(D)
- Q(a);N_GUARD,P_PINQ(C)::QAB1(C),XQ(a)
- B(d);N_GUARD,P_PINQ(C)::B(D)
- B(d);N_GUARD::B(D)
- P(c);P_PINQ(C)::R1(B)
- P(c);::R1(B)
- Tries
- Try
- S(H);
- Threat
- DUALS(3)
- Vars
- Q(a);XB(D)::S(H)
- P(c);XB(A)::S(H)
- P(c);::S(H)
- Refutation
- Q(a);P_PINQ(C)
- Try
- S(H);
- Threat
- S(H)
- Vars
- P(g);::S(H),XP(g)
- Refutation
- Q(a);P_PINQ(C)
- Try
- B(D);XQ(a)
- Threat
- DUALS(4)
- Vars
- P(b);XB(D)::QAB1(C)
- P(b);XB(D)::QAR2(C)
- P(b);::B(D)
- P(c);P_PINQ(C)::R1(B)
- B(d);P_PINQ(C)::B(D)
- Refutation
- P(b);XB(D)
- Try
- B(D);XB(d)
- Threat
- B(D)
- Vars
- Q(a);N_GUARD,P_PINQ(C)::QAB1(C),XQ(a)
- P(c);P_PINQ(C)::R1(B)
- P(c);::R1(B)
- Q(a);N_GUARD::QAB1(C)
- Refutation
- Q(a);
- Try
- Q(C);CHECK,N_PINP(e),XP(b)
- Vars
- Q(a);XQ(C)::B(D)
- Q(a);CHECK,N_GUARD,P_SPINQ(a)::QAB1(C),XQ(a)
- Refutation
- P(e);P_SPINP(e)
- Try
- Q(C);CHECK,XP(e)
- Vars
- Q(a);SBLOCK,XQ(C)::B(D)
- Refutation
- K(f);P-FLIGHT,P_SPINP(c),XQ(C)
- Try
- Actual
- P(E);
- Threat
- QAB1(C)
- Vars
- Q(a);N_GUARD,P_PINQ(C)::QAB1(C),XQ(a)
- P(c);P_PINQ(C)::R1(B)
- Q(a);N_GUARD,P_PINQ(C)::QAR2(C),XQ(a)
- Q(a);N_GUARD,P_PINQ(C)::B(D)
- B(d);N_GUARD,P_PINQ(C)::B(D)
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