MESON Chess Problem Database
Problem Display
PID: 276957 (2N1R3/BppBnrp1/1r1b4/5pKn/2PpkP2/3NP1p1/4QP2/7b w - - 0 1)
Coello Alonso, Jose Antonio
Peris-120 MT (Problemas), 2024
#2
11 + 13
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.exd4#
- 1...Rb3
- 2.exd4#
- 1...Rb4
- 2.exd4#
- 1...Rb5
- 2.exd4#
- 1...Ra6
- 2.exd4#
- 1...Rc6
- 2.exd4#
- 1...Bxf4+
- 2.exf4#
- 1...Bc5
- 2.Sxc5#
- 1...Be5
- 2.Sc5#
- 1...Sxf4
- 2.exf4#
- 1...Sf6
- 2.Bxf5#
- 1...gxf2
- 2.Sxf2#
- 1...g2
- 2.f3#
- 1...dxe3
- 2.Qxe3#
- 1...c6
- 2.Sxd6#
- 1...Rb1
- Tries
- 1.Se1?
- threat
- 2.Qd3#
- 1...Bxf4+
- 2.exf4#
- 1...Sxf4
- 2.exf4#
- 1...d3
- 2.Qxd3#
- 1...Rb3!
- threat
- 1.Sxd6+?
- 1...Rxd6
- 2.Sc5#
- 2.exd4#
- 1...cxd6!
- 1...Rxd6
- 1.Bxb6?
- threat
- 2.exd4#
- 1...Bxf4+
- 2.exf4#
- 1...Sxf4
- 2.exf4#
- 1...dxe3
- 2.Qxe3#
- 1...cxb6
- 2.Sxd6#
- 1...Bc5
- 2.Sxc5#
- 1...c5
- 2.Sxd6#
- 1...Bf3!
- threat
- 1.Bc6+?
- 1...Rxc6
- 2.exd4#
- 1...bxc6!
- 1...Rxc6
- 1.Rxe7+?
- 1...Rxe7
- 2.Bxf5#
- 1...Be5
- 2.Sc5#
- 2.Rxe5#
- 1...Bxe7+!
- 1...Rxe7
- 1.fxg3?
- threat
- 2.Sf2#
- 1...Bxf4+
- 2.exf4#
- 1...Sxf4
- 2.exf4#
- 1...dxe3!
- threat
- 1.Se1?
- Keys
- 1.Be6!
- threat
- 2.Bd5#
- 1...Bxf4+
- 2.exf4#
- 1...Sxf4
- 2.exf4#
- 1...dxe3
- 2.Qxe3#
- 1...Rb5
- 2.exd4#
- 1...Be5
- 2.Sc5#
- 1...Sf6
- 2.Bxf5#
- 1...Sd5
- 2.Bxd5#
- 2.Bxf5#
- 1...c6
- 2.Sxd6#
- threat
- 1.Be6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- R(g);::QAR(A)+P(D),XP(c)
- B(h);CHECK,OGATE,XP(F)::QAR(A)+P(D),XB(h)
- B(h);N_GUARD::S(C),XB(h)
- B(h);N_GUARD,N_SPINS(k)::S(C)
- S(f);OGATE,XP(F)::QAR(A)+P(D),XS(f)
- S(f);S_CUTR(l)::B(I),XP(e)
- P(b);XP(B)::S(C),XP(b)
- P(b);S_CUTB(a)::P(B)
- P(c);OGATE,P_SPINP(c),XP(D)::QAR1(A),XP(c)
- P(j);N_GUARD,S_CUTR(g)::S(J),XB(h)
- Tries
- Try
- S(C);
- Threat
- QAB1(A)
- Vars
- B(h);CHECK,OGATE,XP(F)::QAR(A)+P(D),XB(h)
- S(f);OGATE,XP(F)::QAR(A)+P(D),XS(f)
- P(c);::QAB1(A),XP(c)
- Refutation
- R(g);
- Try
- S(J);CHECK,XB(h)
- Refutation
- P(j);XS(J)
- Try
- B(H);XR(g)
- Threat
- QAR(A)+P(D),XP(c)
- Vars
- B(h);CHECK,OGATE,XP(F)::QAR(A)+P(D),XB(h)
- S(f);OGATE,XP(F)::QAR(A)+P(D),XS(f)
- P(c);OGATE,P_SPINP(c),XP(D)::QAR1(A),XP(c)
- P(j);N_GUARD,XB(H)::S(J),XB(h)
- B(h);N_GUARD::S(C),XB(h)
- P(j);N_GUARD::S(J),XB(h)
- Refutation
- B(a);
- Try
- B(I);CHECK
- Vars
- R(g);XB(I)::QAR(A)+P(D),XP(c)
- Refutation
- P(i);XB(I)
- Try
- R(K);CHECK,XS(k)
- Vars
- R(l);XR(K)::B(I),XP(e)
- Refutation
- B(h);CHECK,XR(K)
- Try
- P(B);XP(b)
- Threat
- S(C)
- Vars
- B(h);CHECK,OGATE,XP(F)::QAR(A)+P(D),XB(h)
- S(f);OGATE,XP(F)::QAR(A)+P(D),XS(f)
- Refutation
- P(c);P_SPINP(c),XP(D)
- Try
- Actual
- B(I);N_PINS(k)
- Threat
- B(I)
- Vars
- B(h);CHECK,OGATE,XP(F)::QAR(A)+P(D),XB(h)
- S(f);OGATE,XP(F)::QAR(A)+P(D),XS(f)
- P(c);OGATE,P_SPINP(c),XP(D)::QAR1(A),XP(c)
- R(g);::QAR(A)+P(D),XP(c)
- B(h);N_GUARD::S(C)
- S(f);S_CUTR(l)::B(I),XP(e)
- P(j);N_GUARD,S_CUTR(g)::S(J),XB(h)
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