MESON Chess Problem Database

Problem Display
PID: 243340 (7R/1bP1K1pr/1P1Q2p1/2PNP3/1P1bk3/1Np1P2R/2qpB2B/3r4 w - - 0 1)

Apro, Laszlo

Magyar Sakkelet, 1965

7R/1bP1K1pr/1P1Q2p1/2PNP3/1P1bk3/1Np1P2R/2qpB2B/3r4

#2

14 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe5
      • 2.Qxe5#
    • 1...Bxd5
      • 2.Qxg6#
  • Keys
    • 1.Qxg6+!
      • 1...Kxd5
        • 2.Rd8#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • B(e);OGATE,XP(I)::QAR1(K),XB(e)
    • B(h);SBLOCK,XS(H)::QAB(K),XP(g)
  • Actual
    • Q(K);CHECK,XP(g)
    • Vars
      • K(f);S_FLIGHT,XS(H)::R(N)
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