MESON Chess Problem Database

Problem Display
PID: 119783 (5Q2/1bk5/1bp1P3/2N5/4K3/8/8/8 w - - 0 1)

Galitzky, Aleksandr Vasilevich

La Strategie, 1897

5Q2/1bk5/1bp1P3/2N5/4K3/8/8/8

#2

4 + 4

6490 yacpdb 2009
14666 Aleksandr Galitzky - Shakhmaty Geine (Vol 1) 2010

SOLUTION

  • SOUND
  • Tries
    • 1.Qe7+?
      • 1...Kb8
        • 2.Qxb7#
      • 1...Kc8!
    • 1.Qf7+?
      • 1...Kd6
        • 2.Sxb7#
      • 1...Kb8
        • 2.Qxb7#
      • 1...Kd8
        • 2.Qd7#
      • 1...Kc8!
  • Keys
    • 1.e7!
      • threat
        • 2.Qd8#
      • 1...Kd6
        • 2.e8S#
      • 1...Bc8
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(d);OGATE,S_FLIGHT::QAR1(D),XB(c)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(d);S_FLIGHT::S(B),XB(c)
        • K(d);OGATE,S_FLIGHT::QAR1(D),XB(c)
        • K(d);S_FLIGHT::QAR1(D)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • P(C);
    • Threat
      • QAB1(D)
    • Vars
      • K(d);S_FLIGHT::P=S
      • B(c);SBLOCK::QAB(D)
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