MESON Chess Problem Database

Problem Display
PID: 242004 (R7/p7/k1K5/8/p7/B7/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1935

R7/p7/k1K5/8/p7/B7/8/8

#2

3 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ka5
      • 2.Rxa7#
  • Tries
    • 1.Kc5?
      • 1...Ka5
        • 2.Rxa7#
      • 1...Kb7!
    • 1.Bd6?
      • 1...Ka5
        • 2.Rxa7#
      • 1...a3!
    • 1.Be7?
      • 1...Ka5
        • 2.Rxa7#
      • 1...a3!
    • 1.Bf8?
      • 1...Ka5
        • 2.Rxa7#
      • 1...a3!
  • Keys
    • 1.Bc5!
      • threat
        • 2.Rxa7#
      • 1...Ka5
        • 2.Rxa7#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::R(C),XP(c)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(b);P-FLIGHT::R(C),XP(c)
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(b);P-FLIGHT::R(C),XP(c)
      • Refutation
        • P(a);
    • Try
      • B(A);
      • Vars
        • K(b);P-FLIGHT::R(C),XP(c)
      • Refutation
        • P(a);
    • Try
      • B(A);
      • Vars
        • K(b);P-FLIGHT::R(C),XP(c)
      • Refutation
        • P(a);
  • Actual
    • B(A);
    • Threat
      • R1(C),XP(c)
    • Vars
      • K(b);P-FLIGHT::R(C),XP(c)
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