MESON Chess Problem Database

Problem Display
PID: 227470 (8/8/8/8/8/8/k2K2Q1/8 w - - 0 1)

Szasz, Lajos

Neue Leipziger Zeitung, 1926

8/8/8/8/8/8/k2K2Q1/8

#2

2 + 1

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Kc2?
      • threat
        • 2.Qa8#
      • 1...Ka1
        • 2.Qa8#
      • 1...Ka3!
  • Keys
    • 1.Kc3+!
      • 1...Ka1
        • 2.Qb2#
      • 1...Kb1
        • 2.Qb2#
      • 1...Ka3
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Threat
        • QAR(B)
      • Vars
        • K(a);P-FLIGHT::QAB(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • K(A);CHECK,S_FLIGHT
    • Vars
      • K(a);P-FLIGHT::QAB1(B)
      • K(a);S_FLIGHT::QAR1(B)
      • K(a);P-FLIGHT::QAR(B)
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