MESON Chess Problem Database
Problem Display
PID: 133087 (7r/K6p/8/k1BB3R/8/8/2Qn1pp1/r4N1N w - - 0 1)
Ferron de la Fuente, Ernesto
Problem Observer, 2006
#2
7 + 7
SOLUTION
- SOUND
- Tries
- 1.Be7?
- threat
- 2.Ba2#
- 2.Bxg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...Kb5+
- 2.Ba2#
- 1...Ra8+
- 2.Bxa8#
- 1...gxf1Q
- 2.Bc4#
- 1...gxf1S
- 2.Ba2#
- 2.Bg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...gxf1B
- 2.Bc4#
- 1...gxf1R
- 2.Ba2#
- 2.Bg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...gxh1Q
- 2.Bxh1#
- 1...gxh1S
- 2.Bxh1#
- 2.Ba2#
- 2.Bg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...gxh1B
- 2.Bxh1#
- 2.Bg2#
- 2.Bf3#
- 2.Be4#
- 1...gxh1R
- 2.Bxh1#
- 1...Sb3
- 2.Bxb3#
- 1...g1Q
- 2.Bg2#
- 1...g1S
- 2.Ba2#
- 2.Bg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...g1B
- 2.Ba2#
- 2.Bg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...g1R
- 2.Bg2#
- 1...Rb1
- 2.Bb3#
- 1...Re1
- 2.Be4#
- 1...Ra2
- 2.Bxa2#
- 2.Bxg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...Rb8
- 2.Bb7#
- 1...Rc8
- 2.Bc6#
- 1...Rf8
- 2.Bf7#
- 1...Rg8
- 2.Bxg8#
- 1...Sf3
- 2.Bxf3#
- 1...Sc4
- 2.Bxc4#
- 1...Se4
- 2.Bxe4#
- 1...Rd8!
- threat
- 1.Bf8?
- threat
- 2.Ba2#
- 2.Bxg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...Kb5+
- 2.Ba2#
- 1...gxf1Q
- 2.Bc4#
- 1...gxf1S
- 2.Ba2#
- 2.Bg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...gxf1B
- 2.Bc4#
- 1...gxf1R
- 2.Ba2#
- 2.Bg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...gxh1Q
- 2.Bxh1#
- 1...gxh1S
- 2.Bxh1#
- 2.Ba2#
- 2.Bg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...gxh1B
- 2.Bxh1#
- 2.Bg2#
- 2.Bf3#
- 2.Be4#
- 1...gxh1R
- 2.Bxh1#
- 1...Sb3
- 2.Bxb3#
- 1...g1Q
- 2.Bg2#
- 1...g1S
- 2.Ba2#
- 2.Bg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...g1B
- 2.Ba2#
- 2.Bg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...g1R
- 2.Bg2#
- 1...Rb1
- 2.Bb3#
- 1...Re1
- 2.Be4#
- 1...Ra2
- 2.Bxa2#
- 2.Bxg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...Rg8
- 2.Bxg8#
- 1...Sf3
- 2.Bxf3#
- 1...Sc4
- 2.Bxc4#
- 1...Se4
- 2.Bxe4#
- 1...Rxf8!
- threat
- 1.Qxd2+?
- 1...Ka4
- 2.Qb4#
- 1...Kb5+!
- 1...Ka4
- 1.Qc3+?
- 1...Ka4
- 2.Bc6#
- 2.Qb4#
- 1...Kb5+!
- 1...Ka4
- 1.Be7?
- Keys
- 1.Bd6!
- threat
- 2.Ba2#
- 2.Bxg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...Kb5+
- 2.Ba2#
- 1...Ra8+
- 2.Bxa8#
- 1...gxf1Q
- 2.Bc4#
- 1...gxf1S
- 2.Ba2#
- 2.Bg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...gxf1B
- 2.Bc4#
- 1...gxf1R
- 2.Ba2#
- 2.Bg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...gxh1Q
- 2.Bxh1#
- 1...gxh1S
- 2.Bxh1#
- 2.Ba2#
- 2.Bg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...gxh1B
- 2.Bxh1#
- 2.Bg2#
- 2.Bf3#
- 2.Be4#
- 1...gxh1R
- 2.Bxh1#
- 1...Sb3
- 2.Bxb3#
- 1...g1Q
- 2.Bg2#
- 1...g1S
- 2.Ba2#
- 2.Bg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...g1B
- 2.Ba2#
- 2.Bg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...g1R
- 2.Bg2#
- 1...Rb1
- 2.Bb3#
- 1...Re1
- 2.Be4#
- 1...Ra2
- 2.Bxa2#
- 2.Bxg2#
- 2.Bb3#
- 2.Bf3#
- 2.Bc4#
- 2.Be4#
- 2.Bc6#
- 2.Be6#
- 2.Bb7#
- 2.Bf7#
- 2.Ba8#
- 2.Bg8#
- 1...Rb8
- 2.Bb7#
- 1...Rc8
- 2.Bc6#
- 1...Re8
- 2.Be6#
- 1...Rf8
- 2.Bf7#
- 1...Rg8
- 2.Bxg8#
- 1...Sf3
- 2.Bxf3#
- 1...Sc4
- 2.Bxc4#
- 1...Se4
- 2.Bxe4#
- threat
- 1.Bd6!
This is after 144986
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 19
- REMOVED MATES = 0
- Sets
- Tries
- Try
- B(D);
- Threat
- DUALS(12)
- Vars
- K(e);CHECK,P-FLIGHT::R(F)+B(E)
- R(g);CHECK::R(F)+B(E),XR(g)
- P(d);XS(A)::R(F)+B(E)
- P(d);OGATE,XS(B)::R(F)+B(E),XQ(d)
- P(d);OGATE,XS(B)::R(F)+B(E),XR(d)
- S(b);::R(F)+B(E),XS(b)
- P(d);::R(F)+B(E)
- R(a);::R(F)+B(E)
- R(g);::R(F)+B(E)
- R(g);::R(F)+B(E),XR(g)
- Refutation
- R(g);
- Try
- B(D);
- Threat
- DUALS(12)
- Vars
- K(e);CHECK,P-FLIGHT::R(F)+B(E)
- P(d);XS(A)::R(F)+B(E)
- P(d);OGATE,XS(B)::R(F)+B(E),XQ(d)
- P(d);OGATE,XS(B)::R(F)+B(E),XR(d)
- S(b);::R(F)+B(E),XS(b)
- P(d);::R(F)+B(E)
- R(a);::R(F)+B(E)
- R(g);::R(F)+B(E),XR(g)
- Refutation
- R(g);XB(D)
- Try
- Q(C);CHECK,XS(b)
- Vars
- K(e);P-FLIGHT::QAR1(C)
- Refutation
- K(e);CHECK,P-FLIGHT
- Try
- Q(C);CHECK
- Refutation
- K(e);CHECK,P-FLIGHT
- Try
- Actual
- B(D);
- Threat
- DUALS(12)
- Vars
- K(e);CHECK,P-FLIGHT::R(F)+B(E)
- R(g);CHECK::R(F)+B(E),XR(g)
- P(d);XS(A)::R(F)+B(E)
- P(d);OGATE,XS(B)::R(F)+B(E),XQ(d)
- P(d);OGATE,XS(B)::R(F)+B(E),XR(d)
- S(b);::R(F)+B(E),XS(b)
- P(d);::R(F)+B(E)
- R(a);::R(F)+B(E)
- R(g);::R(F)+B(E)
- R(g);::R(F)+B(E),XR(g)
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