MESON Chess Problem Database

Problem Display
PID: 119989 (8/4N3/8/4p1K1/p2kp3/P5Q1/4P3/8 w - - 0 1)

Galitzky, Aleksandr Vasilevich

La Strategie, 1897

8/4N3/8/4p1K1/p2kp3/P5Q1/4P3/8

#2

5 + 4

6490 yacpdb 2009
5454 Near Snap 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qb3?
      • 1...Kc5
        • 2.Qb4#
      • 1...e3
        • 2.Qb4#
      • 1...axb3!
  • Keys
    • 1.Qe1!
      • 1...Ke3
        • 2.Sf5#
      • 1...Kc4
        • 2.Qb4#
      • 1...Kc5
        • 2.Qb4#
      • 1...e3
        • 2.Qb4#

This anticipates 206310(1925)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Vars
        • K(b);S_FLIGHT::QAB1(C)
        • P(c);SBLOCK::QAR2(C)
      • Refutation
        • P(a);XQ(C)
  • Actual
    • Q(C);
    • Vars
      • K(b);S_FLIGHT::S(E)
      • K(b);P-FLIGHT::QAR1(C)
      • K(b);S_FLIGHT::QAB1(C)
      • P(c);SBLOCK::QAR2(C)
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