MESON Chess Problem Database

Problem Display
PID: 157240 (8/8/8/2RN4/k1p5/8/KP6/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1925

8/8/8/2RN4/k1p5/8/KP6/8

#2

4 + 2

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...c3
      • 2.b3#
  • Tries
    • 1.Rb5?
      • threat
        • 2.Sc3#
      • 1...c3
        • 2.Sxc3#
      • 1...Kxb5!
  • Keys
    • 1.Sc3+!
      • 1...Kb4
        • 2.Rb5#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • P(b);N_GUARD::P(B)
  • Tries
    • Try
      • R(C);
      • Threat
        • S(D)
      • Vars
        • P(b);::S(D),XP(b)
      • Refutation
        • K(a);S_FLIGHT,XR(C)
  • Actual
    • S(D);CHECK
    • Vars
      • K(a);P-FLIGHT::R1(C)
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