MESON Chess Problem Database

Problem Display
PID: 247342 (7b/8/4p1Q1/1KB1k3/1R2B3/4n3/8/4r3 w - - 0 1)

Antipin, Ivan Ivanovich

Uralski Problemist, 2006

7b/8/4p1Q1/1KB1k3/1R2B3/4n3/8/4r3

#2

5 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Bf6
      • 2.Qg3#
    • 1...Sd1
      • 2.Qg5#
    • 1...Sf1
      • 2.Qg5#
    • 1...Sc2
      • 2.Qg5#
    • 1...Sg2
      • 2.Qg5#
    • 1...Sg4
      • 2.Qg5#
    • 1...Sd5
      • 2.Qg5#
  • Keys
    • 1.Bd5!
      • threat
        • 2.Qxe6#
      • 1...Kxd5
        • 2.Qe4#
      • 1...Sxd5
        • 2.Qg5#
      • 1...exd5
        • 2.Bd6#
      • 1...Sc4
        • 2.Qg5#
      • 1...Bf6
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • B(e);SBLOCK::QAB(E)
    • S(b);N_GUARD::QAR2(E)
  • Actual
    • B(B);
    • Threat
      • QAR1(E),XP(d)
    • Vars
      • K(c);P-FLIGHT,XB(B)::QAB1(E)
      • S(b);N_GUARD,SBLOCK,XB(B)::QAR2(E)
      • P(d);SBLOCK,XB(B)::B(D)
      • S(b);N_GUARD::QAR2(E)
      • B(e);SBLOCK::QAR1(E)
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