MESON Chess Problem Database

Problem Display
PID: 231563 (8/8/8/8/8/6Q1/p3k3/R1K5 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1927

8/8/8/8/8/6Q1/p3k3/R1K5

#2

3 + 2

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf1
      • 2.Kd2#
  • Tries
    • 1.Qf3+?
      • 1...Ke1
        • 2.Kc2#
      • 1...Kxf3!
  • Keys
    • 1.Rxa2+!
      • 1...Kf1
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::R(A)+K(B)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);P-FLIGHT::R(A)+K(B)
      • Refutation
        • K(b);S_FLIGHT,XQ(C)
  • Actual
    • R(A);CHECK,XP(a)
    • Vars
      • K(b);S_FLIGHT::QAR1(C)
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