MESON Chess Problem Database

Problem Display
PID: 269600 (7Q/8/P3P1P1/2Pk3N/3p2K1/B2p4/P2P4/8 w - - 0 1)

Eltsov, Aleksandr Ivanovich

64 Shakhmatnoe obozrenie, 2023

7Q/8/P3P1P1/2Pk3N/3p2K1/B2p4/P2P4/8

#2

10 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Qxd4+?
      • 1...Kc6
        • 2.Qd7#
      • 1...Kxe6
        • 2.Qd6#
      • 1...Kxd4!
  • Keys
    • 1.Qb8!
      • 1...Kc4
        • 2.Qb3#
      • 1...Ke4
        • 2.Sf6#
      • 1...Kc6
        • 2.Qb7#
      • 1...Kxe6
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(J);CHECK,XP(b)
      • Vars
        • K(c);OGATE,S_FLIGHT::QAB1(J)
        • K(c);OGATE,S_FLIGHT,XP(H)::QAR1(J)
      • Refutation
        • K(c);P-FLIGHT,XQ(J)
  • Actual
    • Q(J);
    • Vars
      • K(c);N_GUARD,S_FLIGHT::QAB1(J)
      • K(c);N_GUARD,S_FLIGHT::S(F)
      • K(c);N_GUARD,S_FLIGHT,XP(H)::QAR1(J)
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