MESON Chess Problem Database

Problem Display
PID: 258404 (8/8/8/5B2/6N1/2N3P1/6k1/4K1BR w K - 0 1)

Wielgos, Oskar

Die Schwalbe, 1931

8/8/8/5B2/6N1/2N3P1/6k1/4K1BR

#2

7 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Se2?
      • threat
        • 2.Be4#
      • 1...Kxh1
        • 2.Be4#
      • 1...Kf3!
    • 1.Bf2?
      • threat
        • 2.Be4#
      • 1...Kxh1
        • 2.Be4#
      • 1...Kf3!
  • Keys
    • 1.Bh2!
      • 1...Kxh1
        • 2.Be4#
      • 1...Kf3
        • 2.0-0#
      • 1...Kh3
        • 2.Se3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • B(G)
      • Vars
        • K(a);S_FLIGHT,XR(C)::B(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);
      • Threat
        • B(G)
      • Vars
        • K(a);S_FLIGHT,XR(C)::B(G)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(B);
    • Vars
      • K(a);N_GUARD,S_FLIGHT,XR(C)::B(G)
      • K(a);S_FLIGHT::0-0
      • K(a);N_GUARD,S_FLIGHT::B(G)+S(F)
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