MESON Chess Problem Database

Problem Display
PID: 203610 (1R1B4/7K/2pp4/2k5/1N2P3/np1P4/1P6/Qb6 w - - 0 1)

Ivanitski, ?

64 Shakhmatnoe obozrenie, 1924

1R1B4/7K/2pp4/2k5/1N2P3/np1P4/1P6/Qb6

#2

8 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ba2
      • 2.Qg1#
    • 1...Bc2
      • 2.Qg1#
    • 1...Sc2
      • 2.Qa7#
  • Keys
    • 1.Sc2!
      • threat
        • 2.Qxa3#
      • 1...Bxc2
        • 2.Qg1#
      • 1...Sxc2
        • 2.Qa7#
      • 1...bxc2
        • 2.b4#
      • 1...Ba2
        • 2.Qg1#
      • 1...Sc4
        • 2.d4#
      • 1...Sb5
        • 2.Bb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(a);OGATE::QAB(A)
    • S(b);OGATE::QAB(A)
  • Actual
    • S(D);
    • Threat
      • QAB(A),XS(b)
    • Vars
      • B(a);OGATE,XS(D)::QAB(A)
      • S(b);OGATE,XS(D)::QAB(A)
      • P(c);OGATE,XS(D)::P(B)
      • B(a);OGATE::QAB(A)
      • S(b);SBLOCK::P(C)
      • S(b);SBLOCK::B(H)
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