MESON Chess Problem Database
Problem Display
PID: 263906 (7B/3B1p2/rP1p2R1/n2k1Pb1/N2Pp3/4P3/K2nN1r1/2R5 w - - 0 1)
Parcerisa, Jose Antonio Lopez
Coello-75 JT (Problemas), 2017
#2
11 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxb6
- 2.Sxb6#
- 1...Bf4
- 2.Sxf4#
- 1...Bh4
- 2.Sf4#
- 1...Bf6
- 2.Sf4#
- 1...Be7
- 2.Sf4#
- 1...Bd8
- 2.Sf4#
- 1...Sdc4
- 2.Sc3#
- 1...Sb3
- 2.Bc6#
- 1...Sac4
- 2.Sc3#
- 1...Sc6
- 2.Bxc6#
- 1...Sb7
- 2.Bc6#
- 1...fxg6
- 2.Be6#
- 1...f6
- 2.Be6#
- 1...Rxb6
- Tries
- 1.Bb5?
- threat
- 2.Sec3#
- 2.Sac3#
- 1...Rxe2
- 2.Sc3#
- 1...Sf1
- 2.Sc3#
- 1...Sdb3
- 2.Sc3#
- 1...Sf3
- 2.Sc3#
- 1...Sdc4
- 2.Sc3#
- 1...Sab3
- 2.Sc3#
- 2.Bc6#
- 1...Sac4
- 2.Sc3#
- 1...Sc6
- 2.Sc3#
- 2.Bxc6#
- 1...Sb7
- 2.Sc3#
- 2.Bc6#
- 1...Sb1!
- threat
- 1.Be8?
- threat
- 2.Bxf7#
- 1...fxg6
- 2.Bf7#
- 1...Sdc4
- 2.Sc3#
- 1...Sac4
- 2.Sc3#
- 1...f6
- 2.Bf7#
- 1...Ra7!
- threat
- 1.Rc6?
- threat
- 2.Sec3#
- 2.Sac3#
- 2.Rgxd6#
- 1...Rxe2
- 2.Sc3#
- 2.Rgxd6#
- 1...fxg6
- 2.Sec3#
- 2.Sac3#
- 1...Bf4
- 2.Sec3#
- 2.Sxf4#
- 2.Sac3#
- 1...Bf6
- 2.Sec3#
- 2.Sf4#
- 2.Sac3#
- 1...Be7
- 2.Sec3#
- 2.Sf4#
- 2.Sac3#
- 1...Sb1
- 2.Rgxd6#
- 1...Sf1
- 2.Sc3#
- 2.Rgxd6#
- 1...Sdb3
- 2.Sc3#
- 2.Rgxd6#
- 1...Sf3
- 2.Sc3#
- 2.Rgxd6#
- 1...Sdc4
- 2.Sc3#
- 1...Sab3
- 2.Sc3#
- 2.Rgxd6#
- 1...Sac4
- 2.Sc3#
- 1...Sb7
- 2.Sc3#
- 1...f6
- 2.Sec3#
- 2.Sac3#
- 1...Sxc6!
- threat
- 1.Bb5?
- Keys
- 1.Be5!
- threat
- 2.Rxd6#
- 1...Rxb6
- 2.Sxb6#
- 1...dxe5
- 2.Rc5#
- 1...fxg6
- 2.Be6#
- 1...Bf6
- 2.Sf4#
- 1...Be7
- 2.Sf4#
- 1...Sdc4
- 2.Sc3#
- 1...Sac4
- 2.Sc3#
- 1...Sb7
- 2.Bc6#
- 1...f6
- 2.Be6#
- threat
- 1.Be5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- R(g);XP(H)::S(E),XR(g)
- B(f);N_GUARD::S(C),XB(f)
- B(f);N_GUARD::S(C)
- S(a);P_PINS(C),SBLOCK::S(E)
- S(d);N_GUARD,P_PINS(E)::B(J)
- S(d);P_PINS(E),SBLOCK::S(C)
- S(d);N_GUARD,P_PINS(E)::B(J),XS(d)
- P(i);N_GUARD,XR(I)::B(J)
- P(i);N_GUARD::B(J)
- Tries
- Try
- B(J);
- Threat
- DUALS(2)
- Vars
- R(b);XS(C)::S(E)
- S(a);P_PINS(C)::S(E)
- S(d);P_PINS(E)::S(C)
- Refutation
- S(a);P_PINS(C)
- Try
- B(J);
- Threat
- B(J),XP(i)
- Vars
- P(i);XR(I)::B(J)
- S(a);P_PINS(C),SBLOCK::S(E)
- S(d);P_PINS(E),SBLOCK::S(C)
- P(i);::B(J)
- Refutation
- R(g);
- Try
- R(A);
- Threat
- DUALS(3)
- Vars
- S(a);P_PINS(C)::R1(I),XP(h)
- S(a);P_PINS(C)::S(E)
- S(d);P_PINS(E)::S(C)
- Refutation
- S(d);P_PINS(E),XR(A)
- Try
- Actual
- B(K);
- Threat
- R1(I),XP(h)
- Vars
- R(g);XP(H)::S(E),XR(g)
- P(h);N_GUARD,XB(K)::R1(A)
- P(i);N_GUARD,XR(I)::B(J)
- B(f);N_GUARD::S(C)
- S(a);P_PINS(C),SBLOCK::S(E)
- S(d);P_PINS(E),SBLOCK::S(C)
- S(d);N_GUARD,P_PINS(E)::B(J)
- P(i);N_GUARD::B(J)
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