MESON Chess Problem Database
Problem Display
PID: 69995 (7B/2p4b/2K5/3P4/2k2P2/1RN2QN1/PppP1p1p/6R1 w - - 0 1)
Ferron de la Fuente, Ernesto
The Problemist, 2006
#2
11 + 7
SOLUTION
- SOUND
- Sets
- 1...Be4
- 2.Qxe4#
- 1...Bg8
- 2.Qe2#
- 2.Qe4#
- 2.d3#
- 1...Be4
- Tries
- 1.Sb1?
- threat
- 2.Sa3#
- 2.Qc3#
- 1...cxb1Q
- 2.Qc3#
- 1...cxb1B
- 2.Qc3#
- 1...cxb1R
- 2.Qc3#
- 1...c1Q
- 2.Sa3#
- 1...c1R
- 2.Sa3#
- 1...Bd3
- 2.Sa3#
- 2.Qxd3#
- 1...cxb1S!
- threat
- 1.Sd1?
- threat
- 2.Sxb2#
- 2.Se3#
- 2.Qc3#
- 1...cxd1Q
- 2.Qc3#
- 1...cxd1B
- 2.Qc3#
- 1...cxd1R
- 2.Qc3#
- 1...fxg1Q
- 2.Sxb2#
- 2.Qc3#
- 1...fxg1B
- 2.Sxb2#
- 2.Qc3#
- 1...b1Q
- 2.Se3#
- 2.Qc3#
- 1...b1S
- 2.Sb2#
- 2.Se3#
- 1...b1B
- 2.Sb2#
- 2.Se3#
- 2.Qc3#
- 1...b1R
- 2.Se3#
- 2.Qc3#
- 1...c1Q
- 2.Se3#
- 1...c1B
- 2.Se3#
- 2.Qc3#
- 1...c1R
- 2.Sxb2#
- 2.Se3#
- 1...f1S
- 2.Sxb2#
- 2.Qc3#
- 1...Bd3
- 2.Sxb2#
- 2.Se3#
- 2.Qxd3#
- 1...cxd1S!
- threat
- 1.Sa4?
- threat
- 2.Sxb2#
- 2.Qc3#
- 1...b1Q
- 2.Qc3#
- 1...b1S
- 2.Sb2#
- 1...b1B
- 2.Sb2#
- 2.Qc3#
- 1...b1R
- 2.Qc3#
- 1...c1B
- 2.Qc3#
- 1...c1R
- 2.Sxb2#
- 1...Bd3
- 2.Sxb2#
- 2.Qxd3#
- 1...c1Q!
- threat
- 1.Sb5?
- threat
- 2.Sa3#
- 2.Qc3#
- 1...c1Q
- 2.Sa3#
- 1...c1R
- 2.Sa3#
- 1...Bd3
- 2.Sa3#
- 2.Qxd3#
- 1...b1S!
- threat
- 1.Sge4?
- threat
- 2.Qe2#
- 2.d3#
- 1...Bxe4
- 2.Qxe4#
- 1...fxg1S
- 2.d3#
- 1...hxg1S
- 2.d3#
- 1...f1Q
- 2.Qxf1#
- 1...f1B
- 2.Qxf1#
- 1...c1S!
- threat
- 1.Sf5?
- threat
- 2.Qe2#
- 2.Qe4#
- 2.d3#
- 1...fxg1Q
- 2.Qe2#
- 2.d3#
- 1...fxg1S
- 2.Qe4#
- 2.d3#
- 1...fxg1B
- 2.Qe2#
- 2.Qf1#
- 2.d3#
- 1...hxg1S
- 2.Qe4#
- 2.d3#
- 1...c1S
- 2.Qe4#
- 1...f1Q
- 2.Qe4#
- 2.Qxf1#
- 1...f1B
- 2.Qe4#
- 2.Qxf1#
- 1...h1Q
- 2.Qe2#
- 2.d3#
- 1...h1B
- 2.Qe2#
- 2.d3#
- 1...Bxf5!
- threat
- 1.f5?
- threat
- 2.Qe2#
- 2.Qe4#
- 2.d3#
- 1...fxg1Q
- 2.Qe2#
- 2.d3#
- 1...fxg1S
- 2.Qe4#
- 2.d3#
- 1...fxg1B
- 2.Qe2#
- 2.Qf1#
- 2.d3#
- 1...hxg1S
- 2.Qe4#
- 2.d3#
- 1...c1S
- 2.Qe4#
- 1...f1Q
- 2.Qe4#
- 2.Qxf1#
- 1...f1B
- 2.Qe4#
- 2.Qxf1#
- 1...h1Q
- 2.Qe2#
- 2.d3#
- 1...h1B
- 2.Qe2#
- 2.d3#
- 1...Bxf5!
- threat
- 1.Sb1?
- Keys
- 1.Sce4!
- threat
- 2.Qe2#
- 2.Qc3#
- 2.Qd3#
- 2.d3#
- 1...Bxe4
- 2.Qxe4#
- 2.Qc3#
- 1...fxg1S
- 2.Qc3#
- 2.Qd3#
- 2.d3#
- 1...hxg1S
- 2.Qc3#
- 2.Qd3#
- 2.d3#
- 1...b1S
- 2.Qe2#
- 2.Qd3#
- 2.d3#
- 1...c1Q
- 2.Qe2#
- 2.Qd3#
- 2.d3#
- 1...c1S
- 2.Qc3#
- 1...c1R
- 2.Qe2#
- 2.Qd3#
- 2.d3#
- 1...f1Q
- 2.Qxf1#
- 2.Qc3#
- 1...f1B
- 2.Qxf1#
- 2.Qc3#
- threat
- 1.Sce4!
This is after
After a problem by D Stojnic.
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- B(g);N_GUARD,P_PINP(I)::QAR2(F),XB(g)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- P(b);XS(E)::QAR1(F)
- P(b);::S(E)
- Refutation
- P(b);XS(E)
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- P(b);XS(E)::QAR1(F)
- P(b);::S(E)
- Refutation
- P(b);XS(E)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- P(a);::QAR1(F)
- P(a);::S(E)
- P(b);::QAR1(F)
- P(b);::S(E),XP(a)
- Refutation
- P(b);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- P(b);::S(E)
- Refutation
- P(a);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- B(g);OGATE,P_PINP(I),XS(G)::QAR2(F),XB(g)
- P(c);XR(A)::P(C)
- P(d);XR(A)::P(C)
- P(c);OGATE::QAB(F),XQ(c)
- P(c);OGATE::QAB(F),XB(c)
- Refutation
- P(b);
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- P(b);::QAR2(F)
- Refutation
- B(g);XS(G)
- Try
- P(H);
- Threat
- DUALS(3)
- Vars
- P(b);::QAR2(F)
- Refutation
- B(g);XP(H)
- Try
- Actual
- S(E);
- Threat
- DUALS(4)
- Vars
- P(b);::QAR1(F)
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