MESON Chess Problem Database

Problem Display
PID: 205707 (8/4NKpP/8/4k3/1Q6/8/8/8 w - - 0 1)

Schonberger, Tibor

Magyar Sakkvilag, 1925

8/4NKpP/8/4k3/1Q6/8/8/8

#2

4 + 2

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...g5
      • 2.h8Q#
      • 2.h8B#
    • 1...g6
      • 2.h8Q#
      • 2.h8B#
  • Tries
    • 1.Sg6+?
      • 1...Kf5
        • 2.Qf4#
      • 1...Kd5!
  • Keys
    • 1.h8S!
      • threat
        • 2.Shg6#
      • 1...g6
        • 2.Shxg6#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);::P=Q
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • P(D);
    • Threat
      • S(D)
    • Vars
      • P(b);::S(D),XP(b)
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