MESON Chess Problem Database

Problem Display
PID: 241747 (8/7B/6p1/8/1Q2p3/3k4/5P2/3K4 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1928

8/7B/6p1/8/1Q2p3/3k4/5P2/3K4

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...e3
      • 2.Bxg6#
    • 1...g5
      • 2.Bxe4#
  • Tries
    • 1.Ke1?
      • 1...e3
        • 2.Bxg6#
      • 1...g5
        • 2.Bxe4#
      • 1...Kc2!
    • 1.Qc5?
      • 1...e3
        • 2.Bxg6#
      • 1...g5!
  • Keys
    • 1.Bg8!
      • threat
        • 2.Qd2#
        • 2.Qc4#
      • 1...e3
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • P(b);OGATEB,P_SPINP(c)::B(D),XP(c)
    • P(c);OGATE,P_SPINP(b)::B(D),XP(b)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(b);OGATEB,P_SPINP(c)::B(D),XP(c)
        • P(c);OGATE,P_SPINP(b)::B(D),XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);
      • Vars
        • P(b);OGATEB,P_SPINP(c)::B(D),XP(c)
      • Refutation
        • P(c);P_SPINP(b)
  • Actual
    • B(D);
    • Threat
      • DUALS(2)
    • Vars
      • P(b);::QAB1(C)
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