MESON Chess Problem Database

Problem Display
PID: 174988 (4Q3/4n3/3p4/r2k1P2/8/2B5/1N2K3/1B6 w - - 0 1)

Galitzky, Aleksandr Vasilevich

Philadelphia Times, 1901

4Q3/4n3/3p4/r2k1P2/8/2B5/1N2K3/1B6

#2

6 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qb5#
    • 1...Ra2
      • 2.Qb5#
    • 1...Ra3
      • 2.Qb5#
    • 1...Ra4
      • 2.Qb5#
    • 1...Rb5
      • 2.Qxb5#
    • 1...Ra6
      • 2.Qb5#
    • 1...Ra7
      • 2.Qb5#
    • 1...Ra8
      • 2.Qb5#
  • Keys
    • 1.Sa4!
      • 1...Kc4
        • 2.Ba2#
      • 1...Rxa4
        • 2.Qb5#
      • 1...Sxf5
        • 2.Ba2#
        • 2.Qe4#
      • 1...Rb5
        • 2.Qxb5#
      • 1...Rc5
        • 2.Sb6#
      • 1...Ra6
        • 2.Qb5#
      • 1...Ra7
        • 2.Qb5#
      • 1...Ra8
        • 2.Qb5#
      • 1...Sc6
        • 2.Ba2#
        • 2.Qf7#
        • 2.Qe4#
        • 2.Qe6#
        • 2.Qg8#
      • 1...Sg6
        • 2.Ba2#
        • 2.Qe4#
      • 1...Sc8
        • 2.Ba2#
        • 2.Qe4#
      • 1...Sg8
        • 2.Ba2#
        • 2.Qe4#

This is a version of 138588

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(a);N_GUARD::QAR2(F)
    • R(a);N_GUARD,P_PINS(B)::QAR2(F)
    • R(a);N_GUARD::QAR2(F),XR(a)
  • Actual
    • S(B);
    • Vars
      • K(b);S_FLIGHT::B(A)
      • R(a);N_GUARD,XS(B)::QAR2(F)
      • R(a);N_GUARD::QAR2(F),XR(a)
      • R(a);SBLOCK::S(B)
      • R(a);N_GUARD::QAR2(F)
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