MESON Chess Problem Database

Problem Display
PID: 50073 (8/2p5/2Q4p/7P/5NNR/4pr1P/4P3/R3K1nk w Q - 0 1)

Gruber, Bratoljub

Mat Plus, 1995

8/2p5/2Q4p/7P/5NNR/4pr1P/4P3/R3K1nk

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sxe2
      • 2.Kxe2#
    • 1...Sxh3
      • 2.0-0-0#
  • Tries
    • 1.Rb1?
      • 1...Sxe2
        • 2.Kxe2#
      • 1...Sxh3!
    • 1.Rc1?
      • 1...Sxe2
        • 2.Kxe2#
      • 1...Sxh3!
    • 1.Rd1?
      • 1...Sxe2
        • 2.Kxe2#
      • 1...Sxh3!
    • 1.exf3?
      • 1...Sxf3+
        • 2.Ke2#
      • 1...Sxh3
        • 2.Ke2#
        • 2.0-0-0#
      • 1...Se2
        • 2.Kxe2#
      • 1...e2!
  • Keys
    • 1.Kd1!
      • 1...Sxe2
        • 2.Kxe2#
      • 1...Sxh3
        • 2.Kc2#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(a);XP(C)::R(A)+K(B),XS(a)
    • S(a);P_SPINS(a),XP(D)::0-0-0
  • Tries
    • Try
      • R(A);
      • Vars
        • S(a);XP(C)::R(A)+K(B),XS(a)
      • Refutation
        • S(a);P_SPINS(a),XP(D)
    • Try
      • R(A);
      • Vars
        • S(a);XP(C)::R(A)+K(B),XS(a)
      • Refutation
        • S(a);P_SPINS(a),XP(D)
    • Try
      • R(A);
      • Vars
        • S(a);XP(C)::R(A)+K(B),XS(a)
      • Refutation
        • S(a);P_SPINS(a),XP(D)
    • Try
      • P(C);XR(d)
      • Vars
        • S(a);CHECK,P_SPINS(a),XP(C)::R(A)+K(B)
        • S(a);::R(A)+K(B),XS(a)
      • Refutation
        • P(c);
  • Actual
    • K(B);P-FLIGHT
    • Vars
      • S(a);XP(C)::R(A)+K(B),XS(a)
      • S(a);P_SPINS(a),XP(D)::R(A)+K(B)
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