MESON Chess Problem Database
Problem Display
PID: 264368 (1b3n2/4Q2r/1p6/qP1pB1P1/2pNkPKp/R1p5/2bR1PN1/nB3r2 w - - 0 1)
Uris, Miguel
Coello-75 JT (Problemas), 2017
#2
12 + 13
SOLUTION
- SOUND
- Sets
- 1...Rxb1
- 2.f3#
- 1...Rc1
- 2.f3#
- 1...Rd1
- 2.f3#
- 1...Re1
- 2.f3#
- 1...Rg1
- 2.f3#
- 1...Rh1
- 2.f3#
- 1...Bd3
- 2.Re2#
- 1...Bxe5
- 2.Qxe5#
- 1...Sb3
- 2.Bxc2#
- 1...Se6
- 2.Qxh7#
- 1...Sd7
- 2.Qxh7#
- 1...cxd2
- 2.Re3#
- 1...Rxb1
- Tries
- 1.Sxc2?
- threat
- 2.Rd4#
- 1...cxd2
- 2.Re3#
- 1...d4
- 2.Rxd4#
- 1...Rd1
- 2.f3#
- 1...Se6
- 2.Qxh7#
- 1...Sb3!
- threat
- 1.Se2?
- threat
- 2.Rd4#
- 1...cxd2
- 2.Re3#
- 1...d4
- 2.Rxd4#
- 1...Rd1
- 2.f3#
- 1...Sb3
- 2.Bxc2#
- 1...Se6
- 2.Qxh7#
- 1...Bd3!
- threat
- 1.Sb3?
- threat
- 2.Rd4#
- 1...Sxb3
- 2.Bxc2#
- 1...d4
- 2.Rxd4#
- 1...Rd1
- 2.f3#
- 1...Bd3
- 2.Re2#
- 1...Se6
- 2.Qxh7#
- 1...cxd2!
- threat
- 1.Sf3?
- threat
- 2.Rd4#
- 1...cxd2
- 2.Re3#
- 1...d4
- 2.Rxd4#
- 1...Bd3
- 2.Re2#
- 1...Sb3
- 2.Bxc2#
- 1...Se6
- 2.Qxh7#
- 1...Rd1!
- threat
- 1.Sf5?
- threat
- 2.Rd4#
- 1...cxd2
- 2.Re3#
- 1...d4
- 2.Rxd4#
- 1...Rd1
- 2.f3#
- 1...Bd3
- 2.Re2#
- 1...Sb3
- 2.Bxc2#
- 1...Se6!
- threat
- 1.Se6?
- threat
- 2.Rd4#
- 1...Sxe6
- 2.Qxh7#
- 1...cxd2
- 2.Re3#
- 1...d4
- 2.Rxd4#
- 1...Rd1
- 2.f3#
- 1...Bd3
- 2.Re2#
- 1...Sb3
- 2.Bxc2#
- 1...Bxe5!
- threat
- 1.Bd6+?
- 1...Se6
- 2.Qxe6#
- 2.Qxh7#
- 1...Rxe7!
- 1...Se6
- 1.Bf6+?
- 1...Be5
- 2.Qxe5#
- 1...Se6
- 2.Qxh7#
- 1...Rxe7!
- 1...Be5
- 1.Bc7+?
- 1...Se6
- 2.Qxe6#
- 2.Qxh7#
- 1...Rxe7!
- 1...Se6
- 1.Bg7+?
- 1...Be5
- 2.Qxe5#
- 1...Se6!
- 1...Be5
- 1.Bxb8+?
- 1...Se6
- 2.Qxe6#
- 2.Qxh7#
- 1...Rxe7!
- 1...Se6
- 1.Bh8+?
- 1...Be5
- 2.Qxe5#
- 1...Se6
- 2.Qxh7#
- 1...Rxe7!
- 1...Be5
- 1.Rxc3?
- threat
- 2.Re2#
- 2.Re3#
- 1...Rxf2
- 2.Re3#
- 1...Bxe5
- 2.Re3#
- 2.Qxe5#
- 1...Qa3
- 2.Re2#
- 1...Re1
- 2.f3#
- 1...Bd3
- 2.Re2#
- 1...Qxc3!
- threat
- 1.Qxh7+?
- 1...Sg6
- 2.Qxg6#
- 1...Sxh7!
- 1...Sg6
- 1.Sxc2?
- Keys
- 1.Sc6!
- threat
- 2.Rd4#
- 1...cxd2
- 2.Re3#
- 1...d4
- 2.Rxd4#
- 1...Rd1
- 2.f3#
- 1...Bd3
- 2.Re2#
- 1...Sb3
- 2.Bxc2#
- 1...Se6
- 2.Qxh7#
- threat
- 1.Sc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- R(b);N_GUARD,N_SPINB(c),XB(A)::P(C)
- R(b);N_GUARD::P(C)
- R(b);N_GUARD,P_PINS(D)::P(C)
- B(c);::R(B)
- B(l);OGATE,XB(J)::QAR1(L),XB(l)
- S(a);N_GUARD::B(A),XB(c)
- S(m);N_GUARD::QAB(L),XR(k)
- P(d);OGATE,XR(B)::R1(E)
- Tries
- Try
- S(F);XB(c)
- Threat
- R1(B)
- Vars
- P(d);OGATE,XR(B)::R1(E)
- P(i);::R1(B),XP(i)
- R(b);N_GUARD::P(C)
- S(m);N_GUARD::QAB(L),XR(k)
- Refutation
- S(a);
- Try
- S(F);
- Threat
- R1(B)
- Vars
- P(d);OGATE,XR(B)::R1(E)
- P(i);::R1(B),XP(i)
- R(b);N_GUARD::P(C)
- S(a);N_GUARD::B(A),XB(c)
- S(m);N_GUARD::QAB(L),XR(k)
- Refutation
- B(c);
- Try
- S(F);
- Threat
- R1(B)
- Vars
- S(a);N_GUARD,XS(F)::B(A),XB(c)
- P(i);::R1(B),XP(i)
- R(b);N_GUARD::P(C)
- B(c);::R(B)
- S(m);N_GUARD::QAB(L),XR(k)
- Refutation
- P(d);XR(B)
- Try
- S(F);
- Threat
- R1(B)
- Vars
- P(d);OGATE,XR(B)::R1(E)
- P(i);::R1(B),XP(i)
- B(c);::R(B)
- S(a);N_GUARD::B(A),XB(c)
- S(m);N_GUARD::QAB(L),XR(k)
- Refutation
- R(b);
- Try
- S(F);
- Threat
- R1(B)
- Vars
- P(d);OGATE,XR(B)::R1(E)
- P(i);::R1(B),XP(i)
- R(b);N_GUARD::P(C)
- B(c);::R(B)
- S(a);N_GUARD::B(A),XB(c)
- Refutation
- S(m);
- Try
- S(F);
- Threat
- R1(B)
- Vars
- S(m);N_GUARD,XS(F)::QAB(L),XR(k)
- P(d);OGATE,XR(B)::R1(E)
- P(i);::R1(B),XP(i)
- R(b);N_GUARD::P(C)
- B(c);::R(B)
- S(a);N_GUARD::B(A),XB(c)
- Refutation
- B(l);XB(J)
- Try
- B(J);CHECK
- Refutation
- R(k);XQ(L)
- Try
- B(J);CHECK
- Vars
- B(l);N_GUARD::QAR1(L),XB(l)
- S(m);N_GUARD,P_SPINS(m)::QAB(L),XR(k)
- Refutation
- R(k);XQ(L)
- Try
- B(J);CHECK
- Refutation
- R(k);XQ(L)
- Try
- B(J);CHECK
- Vars
- B(l);N_GUARD::QAR1(L),XB(l)
- Refutation
- S(m);P_SPINS(m)
- Try
- B(J);CHECK,XB(l)
- Refutation
- R(k);XQ(L)
- Try
- B(J);CHECK
- Vars
- B(l);N_GUARD::QAR1(L),XB(l)
- S(m);N_GUARD,P_SPINS(m)::QAB(L),XR(k)
- Refutation
- R(k);XQ(L)
- Try
- R(E);XP(d)
- Threat
- DUALS(2)
- Vars
- R(b);XP(C)::R1(E)
- Q(h);::R(B)
- R(b);N_GUARD::P(C)
- B(c);::R(B)
- Refutation
- Q(h);XR(E)
- Try
- Q(L);CHECK,XR(k)
- Vars
- S(m);N_GUARD,P_SPINS(m)::QAB(L),XS(m)
- Refutation
- S(m);XQ(L)
- Try
- Actual
- S(F);
- Threat
- R1(B)
- Vars
- P(d);OGATE,XR(B)::R1(E)
- P(i);::R1(B),XP(i)
- R(b);N_GUARD::P(C)
- B(c);::R(B)
- S(a);N_GUARD::B(A),XB(c)
- S(m);N_GUARD::QAB(L),XR(k)
Developed and maintained by Brian Stephenson.
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