MESON Chess Problem Database

Problem Display
PID: 42851 (8/2N4B/p4p1R/P1P2rp1/1B1k1pP1/N2P1K2/4R3/8 w - - 0 1)

Papic, Ljubisa

Politika, 1980

8/2N4B/p4p1R/P1P2rp1/1B1k1pP1/N2P1K2/4R3/8

#2

11 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd3
      • 2.Rd2#
    • 1...Rd5
      • 2.Sc2#
      • 2.Se6#
    • 1...Re5
      • 2.Sc2#
  • Tries
    • 1.Se6+?
      • 1...Kxd3
        • 2.Bxf5#
        • 2.Rd2#
      • 1...Kd5!
    • 1.Bg6?
      • 1...Kxd3
        • 2.Rd2#
      • 1...Rd5
        • 2.Sc2#
        • 2.Se6#
      • 1...Re5
        • 2.Sc2#
      • 1...Rxc5!
    • 1.Re1?
      • 1...Kxd3
        • 2.Rd1#
      • 1...Rd5
        • 2.Sc2#
        • 2.Se6#
      • 1...Re5
        • 2.Sc2#
      • 1...Rxc5!
    • 1.Re6?
      • 1...Kxd3
        • 2.Rd6#
      • 1...Rd5
        • 2.Sc2#
      • 1...Re5
        • 2.Sc2#
      • 1...Rxc5!
    • 1.Re7?
      • 1...Kxd3
        • 2.Rd7#
      • 1...Rd5
        • 2.Sc2#
      • 1...Re5
        • 2.Sc2#
      • 1...Rxc5!
    • 1.Re8?
      • 1...Kxd3
        • 2.Rd8#
      • 1...Rd5
        • 2.Sc2#
      • 1...Re5
        • 2.Sc2#
      • 1...Rxc5!
    • 1.Rh1?
      • 1...Kxd3
        • 2.Rd1#
        • 2.Rd2#
      • 1...Rd5
        • 2.Sc2#
        • 2.Se6#
      • 1...Re5
        • 2.Sc2#
      • 1...Rxc5!
    • 1.Rhh2?
      • 1...Kxd3
        • 2.Rd2#
      • 1...Rd5
        • 2.Sc2#
        • 2.Se6#
      • 1...Re5
        • 2.Sc2#
      • 1...Rxc5!
    • 1.Rh3?
      • 1...Kxd3
        • 2.Rd2#
      • 1...Rd5
        • 2.Sc2#
        • 2.Se6#
      • 1...Re5
        • 2.Sc2#
      • 1...Rxc5!
    • 1.Rh5?
      • 1...Kxd3
        • 2.Rd2#
      • 1...Rd5
        • 2.Sc2#
        • 2.Se6#
      • 1...Re5
        • 2.Sc2#
      • 1...Rxc5!
    • 1.Rxf6?
      • 1...Kxd3
        • 2.Rd2#
        • 2.Rd6#
      • 1...Rxf6
        • 2.Sc2#
      • 1...Rd5
        • 2.Sc2#
        • 2.Se6#
      • 1...Re5
        • 2.Sc2#
      • 1...Rxc5!
    • 1.gxf5?
      • 1...Kxd3
        • 2.Rd2#
      • 1...g4+!
    • 1.c6?
      • 1...Kxd3
        • 2.Rd2#
      • 1...Rxa5
        • 2.Sc2#
      • 1...Rd5
        • 2.Sc2#
        • 2.Se6#
      • 1...Rb5
        • 2.Sc2#
      • 1...Re5
        • 2.Sc2#
      • 1...Rc5!
  • Keys
    • 1.Re5!
      • 1...Kxd3
        • 2.Rd5#
      • 1...Kxe5
        • 2.Bc3#
      • 1...Rxe5
        • 2.Sc2#
      • 1...fxe5
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);OGATEB,P-FLIGHT,P_SPINR(c),XP(C)::R1(A)
    • R(c);::S(B)
  • Tries
    • Try
      • S(J);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(K);
      • Vars
        • K(a);OGATEB,P-FLIGHT,P_SPINR(c),XP(C)::R1(A)
        • R(c);::S(B)
      • Refutation
        • R(c);XP(H)
    • Try
      • R(A);
      • Vars
        • K(a);OGATEB,P-FLIGHT,P_SPINR(c),XP(C)::R(A)
        • R(c);::S(B)
      • Refutation
        • R(c);XP(H)
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT,P_SPINR(c),XP(C)::R(A)
        • R(c);::S(B)
      • Refutation
        • R(c);XP(H)
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT,P_SPINR(c),XP(C)::R(A)
        • R(c);::S(B)
      • Refutation
        • R(c);XP(H)
    • Try
      • R(A);
      • Vars
        • K(a);P-FLIGHT,P_SPINR(c),XP(C)::R(A)
        • R(c);::S(B)
      • Refutation
        • R(c);XP(H)
    • Try
      • R(I);
      • Vars
        • R(c);::S(B)
      • Refutation
        • R(c);XP(H)
    • Try
      • R(I);
      • Vars
        • K(a);OGATEB,P-FLIGHT,P_SPINR(c),XP(C)::R1(A)
        • R(c);::S(B)
      • Refutation
        • R(c);XP(H)
    • Try
      • R(I);
      • Vars
        • K(a);OGATEB,P-FLIGHT,P_SPINR(c),XP(C)::R1(A)
        • R(c);::S(B)
      • Refutation
        • R(c);XP(H)
    • Try
      • R(I);
      • Vars
        • K(a);OGATEB,P-FLIGHT,P_SPINR(c),XP(C)::R1(A)
        • R(c);::S(B)
      • Refutation
        • R(c);XP(H)
    • Try
      • R(I);XP(f)
      • Vars
        • R(c);XR(I)::S(B)
        • R(c);::S(B)
      • Refutation
        • R(c);XP(H)
    • Try
      • P(F);XR(c)
      • Vars
        • K(a);OGATEB,P-FLIGHT,XP(C)::R1(A)
      • Refutation
        • P(d);CHECK
    • Try
      • P(H);
      • Vars
        • K(a);OGATEB,P-FLIGHT,P_SPINR(c),XP(C)::R1(A)
        • R(c);XP(G)::S(B)
        • R(c);::S(B)
      • Refutation
        • R(c);
  • Actual
    • R(A);
    • Vars
      • K(a);P-FLIGHT,P_SPINR(c),XP(C)::R(A)
      • K(a);S_FLIGHT,XR(A)::B(E)
      • R(c);SBLOCK,XR(A)::S(B)
      • P(f);OGATE,SBLOCK,XR(A)::R(I)
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