MESON Chess Problem Database
Problem Display
PID: 180883 (8/5KP1/1pP1pp2/3k1p2/P1RrNP2/3N3B/1P2P3/3R3Q w - - 0 1)
Popa, Nicolae
Sachmatija, 2018
#2
13 + 6
SOLUTION
- SOUND
- Sets
- 1...Kxc4
- 2.Sd2#
- 1...Rxc4
- 2.Sb4#
- 1...Rxe4
- 2.Se5#
- 1...b5
- 2.Rc5#
- 1...Kxc4
- Tries
- 1.Se5?
- threat
- 2.Rdxd4#
- 2.Rcxd4#
- 1...Rxd1
- 2.Qxd1#
- 1...fxe4
- 2.Rdxd4#
- 1...Rd2
- 2.Rxd2#
- 1...Rd3
- 2.Rxd3#
- 1...fxe5!
- threat
- 1.Sc3+?
- 1...Kd6
- 2.Sb5#
- 1...Kxc4!
- 1...Kd6
- 1.Sec5+?
- 1...Kxc4
- 2.Rc1#
- 1...Re4
- 2.Se5#
- 1...Kd6!
- 1...Kxc4
- 1.Sd6+?
- 1...Re4
- 2.Sc1#
- 2.Se1#
- 2.Sf2#
- 2.Sb4#
- 2.Se5#
- 1...Kxd6!
- 1...Re4
- 1.Sxf6+?
- 1...Kd6
- 2.Se8#
- 1...Kxc4!
- 1...Kd6
- 1.Bxf5?
- threat
- 2.Bxe6#
- 1...Kxc4
- 2.Sd2#
- 1...Rxc4
- 2.Sb4#
- 1...Rxe4
- 2.Se5#
- 1...e5
- 2.Be6#
- 1...exf5!
- threat
- 1.Rcc1?
- threat
- 2.Sb4#
- 1...Rxd3
- 2.Rxd3#
- 1...Rb4
- 2.Sxb4#
- 1...fxe4!
- threat
- 1.Rc2?
- threat
- 2.Sb4#
- 1...Rxd3
- 2.Rxd3#
- 1...Rb4
- 2.Sxb4#
- 1...fxe4!
- threat
- 1.Rc3?
- threat
- 2.Sb4#
- 1...Rxd3
- 2.Rdxd3#
- 1...Rb4
- 2.Sxb4#
- 1...fxe4!
- threat
- 1.b3?
- threat
- 2.Sb4#
- 1...Rxd3
- 2.Rxd3#
- 1...fxe4!
- threat
- 1.Se5?
- Keys
- 1.Ke7!
- 1...Kxc4
- 2.Sd2#
- 1...Rxd3
- 2.Sd6#
- 1...Rxc4
- 2.Sb4#
- 1...Rxe4
- 2.Se5#
- 1...fxe4
- 2.Bxe6#
- 1...b5
- 2.Rc5#
- 1...e5
- 2.g8Q#
- 2.g8B#
- 1...Kxc4
- 1.Ke7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(b);S_FLIGHT,XR(H)::S(I)
- R(a);SBLOCK,XR(H)::R(A)+S(E),DCHECK
- R(a);P_SPINR(a),XS(I)::R(A)+S(E)
- P(d);N_GUARD::R1(H)
- Tries
- Try
- S(E);P_PINR(a)
- Threat
- DUALS(2)
- Vars
- R(a);N_SPINR(a),OGATE,XR(A)::QAR(B),XR(a)
- P(c);P_SPINP(c),XS(I)::R1(A),XR(a)
- R(a);OGATEB::R(A),XR(a)
- Refutation
- P(f);XS(E)
- Try
- S(I);CHECK
- Vars
- K(b);P-FLIGHT::S(I)
- Refutation
- K(b);S_FLIGHT,XR(H)
- Try
- S(I);CHECK
- Vars
- K(b);S_FLIGHT,XR(H)::R(A)
- R(a);P_SPINR(a)::R(A)+S(E)
- Refutation
- K(b);P-FLIGHT
- Try
- S(I);CHECK
- Refutation
- K(b);P-FLIGHT,XS(I)
- Try
- S(I);CHECK,XP(f)
- Vars
- K(b);P-FLIGHT::S(I)
- Refutation
- K(b);S_FLIGHT,XR(H)
- Try
- B(F);XP(c)
- Threat
- B(F),XP(e)
- Vars
- K(b);S_FLIGHT,XR(H)::S(I)
- R(a);SBLOCK,XR(H)::R(A)+S(E),DCHECK
- R(a);P_SPINR(a),XS(I)::R(A)+S(E)
- P(e);::B(F)
- Refutation
- P(e);XB(F)
- Try
- R(H);
- Threat
- S(E)
- Vars
- R(a);OGATE,P_SPINR(a),XS(E)::R(A),XR(a)
- R(a);::R(A)+S(E),DCHECK,XR(a)
- Refutation
- P(c);P_SPINP(c),XS(I)
- Try
- R(H);
- Threat
- S(E)
- Vars
- R(a);OGATE,P_SPINR(a),XS(E)::R(A),XR(a)
- R(a);::R(A)+S(E),DCHECK,XR(a)
- Refutation
- P(c);P_SPINP(c),XS(I)
- Try
- R(H);
- Threat
- S(E)
- Vars
- R(a);OGATE,P_SPINR(a),XS(E)::R(A),XR(a)
- R(a);::R(A)+S(E),DCHECK,XR(a)
- Refutation
- P(c);P_SPINP(c),XS(I)
- Try
- P(C);
- Threat
- S(E)
- Vars
- R(a);OGATE,P_SPINR(a),XS(E)::R(A),XR(a)
- Refutation
- P(c);P_SPINP(c),XS(I)
- Try
- Actual
- K(L);P-FLIGHT
- Vars
- K(b);S_FLIGHT,XR(H)::S(I)
- R(a);N_GUARD,P_SPINR(a),XS(E)::QAB(B)+S(I)
- R(a);SBLOCK,XR(H)::R(A)+S(E),DCHECK
- R(a);P_SPINR(a),XS(I)::R(A)+S(E)
- P(c);OGATE,P_SPINP(c),XS(I)::B(F),XP(e)
- P(d);N_GUARD::R1(H)
- P(e);::P=Q
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