MESON Chess Problem Database

Problem Display
PID: 189570 (8/3Q4/1B1p1N1p/4k2P/8/6K1/8/8 w - - 0 1)

Fischer, Arnold

Pesti Naplo, 1911

8/3Q4/1B1p1N1p/4k2P/8/6K1/8/8

#2

5 + 3

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Kf3?
      • 1...d5
        • 2.Sg4#
      • 1...Kxf6!
    • 1.Bd8?
      • 1...d5
        • 2.Qxd5#
      • 1...Kd4!
  • Keys
    • 1.Kg4!
      • threat
        • 2.Qf5#
        • 2.Qe7#
      • 1...Kxf6
        • 2.Bd4#
      • 1...d5
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(b);::S(D)
      • Refutation
        • K(a);S_FLIGHT,XS(D)
    • Try
      • B(C);
      • Vars
        • P(b);OGATE::QAR1(E),XP(b)
      • Refutation
        • K(a);P_SPINP(b),S_FLIGHT
  • Actual
    • K(A);P-FLIGHT
    • Threat
      • DUALS(2)
    • Vars
      • K(a);S_FLIGHT,XS(D)::B(C)
      • P(b);::QAR2(E)
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