MESON Chess Problem Database

Problem Display
PID: 95103 (8/8/8/7Q/3nP1R1/7K/2b5/7k w - - 0 1)

Pypa, Volodimir Iosifovich

Prioskaya Pravda, 1990

8/8/8/7Q/3nP1R1/7K/2b5/7k

#2

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Rg3!
      • threat
        • 2.Kg4#
      • 1...Bd1
        • 2.Qxd1#
      • 1...Sf3
        • 2.Qxf3#
      • 1...Sf5
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(C);
    • Threat
      • QAR(D)+K(A)
    • Vars
      • B(b);N_GUARD::QAR(D),XB(b)
      • S(c);N_GUARD::QAB(D),XS(c)
      • S(c);N_GUARD::QAB(D)
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