MESON Chess Problem Database

Problem Display
PID: 7982 (3k4/1K3B2/1Pp2PN1/2Nn2P1/8/2B5/8/3R4 w - - 0 1)

Rice, John Michael

Chess Problems for Solving, 1995

3k4/1K3B2/1Pp2PN1/2Nn2P1/8/2B5/8/3R4

#2

9 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Sb3?
      • 1...c5
        • 2.Rxd5#
      • 1...Kd7!
    • 1.Sa4?
      • 1...c5
        • 2.Rxd5#
      • 1...Kd7!
    • 1.Se4?
      • 1...c5
        • 2.Rxd5#
      • 1...Kd7!
    • 1.Sa6?
      • 1...c5
        • 2.Rxd5#
      • 1...Kd7!
    • 1.Bd2?
      • 1...Sxb6
        • 2.Ba5#
      • 1...Sc3
        • 2.Bxc3#
      • 1...Se3
        • 2.Bxe3#
      • 1...Sb4
        • 2.Bxb4#
      • 1...Sf4
        • 2.Bxf4#
      • 1...Sc7
        • 2.bxc7#
      • 1...Se7
        • 2.fxe7#
      • 1...Sxf6!
    • 1.Ra1?
      • threat
        • 2.Ra8#
      • 1...Sc7
        • 2.bxc7#
      • 1...Se7
        • 2.fxe7#
      • 1...Sxb6!
    • 1.Re1?
      • threat
        • 2.Re8#
      • 1...Sxf6
        • 2.Bxf6#
      • 1...Sc7
        • 2.bxc7#
      • 1...Se7
        • 2.fxe7#
      • 1...Se3!
  • Keys
    • 1.Rh1!
      • threat
        • 2.Rh8#
      • 1...Sxf6
        • 2.Bxf6#
      • 1...Sc7
        • 2.bxc7#
      • 1...Se7
        • 2.fxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • P(b);N_GUARD::R(A),XS(a)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • S(C);
      • Vars
        • P(b);N_GUARD::R(A),XS(a)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • S(C);
      • Vars
        • P(b);N_GUARD::R(A),XS(a)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • S(C);
      • Vars
        • P(b);N_GUARD::R(A),XS(a)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • B(B);N_PINS(a)
      • Vars
        • S(a);OGATEB,XP(E)::R(A)+B(B)
        • S(a);OGATEB::R(A)+B(B),XS(a)
        • S(a);OGATE::P(E),XS(a)
        • S(a);OGATE::P(F),XS(a)
      • Refutation
        • S(a);XP(F)
    • Try
      • R(A);N_PINS(a)
      • Threat
        • R(A)
      • Vars
        • S(a);OGATE::P(E),XS(a)
        • S(a);OGATE::P(F),XS(a)
      • Refutation
        • S(a);XP(E)
    • Try
      • R(A);N_PINS(a)
      • Threat
        • R1(A)
      • Vars
        • S(a);OGATE,XP(F)::B(B),XS(a)
        • S(a);OGATE::P(E),XS(a)
        • S(a);OGATE::P(F),XS(a)
      • Refutation
        • S(a);
  • Actual
    • R(A);N_PINS(a)
    • Threat
      • R(A)
    • Vars
      • S(a);OGATE,XP(F)::B(B),XS(a)
      • S(a);OGATE::P(E),XS(a)
      • S(a);OGATE::P(F),XS(a)
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