MESON Chess Problem Database

Problem Display
PID: 206548 (4BB2/8/8/K2k2P1/6P1/8/2PNN3/8 w - - 0 1)

Heltai, Istvan

Ujsag, 1925

4BB2/8/8/K2k2P1/6P1/8/2PNN3/8

#2

8 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sf3?
      • 1...Kc4
        • 2.Bf7#
      • 1...Ke6
        • 2.Sf4#
      • 1...Ke4!
  • Keys
    • 1.Sc4!
      • 1...Kxc4
        • 2.Bf7#
      • 1...Ke4
        • 2.Bc6#
      • 1...Ke6
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::B(G)
        • K(a);S_FLIGHT::S(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(a);S_FLIGHT,XS(B)::B(G)
      • K(a);S_FLIGHT::B(G)
      • K(a);S_FLIGHT::S(C)
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