MESON Chess Problem Database

Problem Display
PID: 30245 (8/4p3/5p2/5k1K/4pP2/1B1P2P1/8/R7 w - - 0 1)

Casa, Alex

Die Schwalbe, 2001

8/4p3/5p2/5k1K/4pP2/1B1P2P1/8/R7

#2

6 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Re1?
      • threat
        • 2.dxe4#
      • 1...exd3
        • 2.Be6#
      • 1...e3!
    • 1.Ra6?
      • threat
        • 2.Be6#
      • 1...e6
        • 2.Bxe6#
      • 1...exd3!
  • Keys
    • 1.Ra4!
      • threat
        • 2.dxe4#
      • 1...exd3
        • 2.g4#
      • 1...e3
        • 2.g4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(A);
      • Threat
        • P(C),XP(a)
      • Vars
        • P(a);XP(C)::B(B)
      • Refutation
        • P(a);
    • Try
      • R(A);
      • Threat
        • B(B)
      • Vars
        • P(d);::B(B),XP(d)
      • Refutation
        • P(a);XP(C)
  • Actual
    • R(A);
    • Threat
      • P(C),XP(a)
    • Vars
      • P(a);XP(C)::P(D)
      • P(a);::P(D)
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