MESON Chess Problem Database

Problem Display
PID: 108551 (3Q4/5kp1/4p1p1/4Pbp1/4B1N1/8/6K1/5R2 w - - 0 1)

Kapros, Jorge Marcelo

Arguelles-80 JT, 1983

3Q4/5kp1/4p1p1/4Pbp1/4B1N1/8/6K1/5R2

#2

6 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sf2?
      • 1...Bh3+
        • 2.Sxh3#
      • 1...Bxe4+
        • 2.Sxe4#
      • 1...Bg4
        • 2.Sxg4#
      • 1...g4!
    • 1.Bf3?
      • 1...Bxg4
        • 2.Bxg4#
      • 1...Bb1
        • 2.Be4#
      • 1...Bc2
        • 2.Be4#
      • 1...Be4
        • 2.Bxe4#
      • 1...Bd3!
    • 1.Rxf5+?
      • 1...exf5
        • 2.Bd5#
      • 1...gxf5!
  • Keys
    • 1.Kf3!
      • 1...Bxe4+
        • 2.Kxe4#
      • 1...Bxg4+
        • 2.Kxg4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);N_PINB(a)
      • Vars
        • B(a);CHECK::R(A)+S(D),XB(a)
        • B(a);CHECK,XB(C)::R(A)+S(D),XB(a)
        • B(a);::R(A)+S(D),XB(a)
      • Refutation
        • P(b);
    • Try
      • B(C);N_PINB(a)
      • Vars
        • B(a);OGATE,XS(D)::R(A)+B(C),XB(a)
        • B(a);OGATEB::R(A)+B(C)
        • B(a);OGATEB,P_PINB(C)::R(A)+B(C),XB(a)
      • Refutation
        • B(a);
    • Try
      • R(A);CHECK,XB(a)
      • Vars
        • P(c);S_CUTP(d),XR(A)::B(C)
      • Refutation
        • P(d);XR(A)
  • Actual
    • K(B);N_PINB(a),S_FLIGHT
    • Vars
      • B(a);CHECK,XB(C)::R(A)+K(B),XB(a)
      • B(a);CHECK,XS(D)::R(A)+K(B),XB(a)
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