MESON Chess Problem Database

Problem Display
PID: 140353 (1b6/4Q3/2pN4/P1kp4/2p1b2R/K3nN1r/1Pp1P3/6B1 w - - 0 1)

Rangelov, Vladimir Petrov

Shakhmatna misl, 1947

1b6/4Q3/2pN4/P1kp4/2p1b2R/K3nN1r/1Pp1P3/6B1

#2

9 + 9

113 Shakhmaty v SSSR 1949

SOLUTION

  • SOUND
  • Sets
    • 1...c3
      • 2.b4#
  • Keys
    • 1.Sd4!
      • threat
        • 2.Se6#
      • 1...Sd1+
        • 2.Sb3#
      • 1...Sf1+
        • 2.Sb3#
      • 1...Sg2+
        • 2.Sb3#
      • 1...Sg4+
        • 2.Sb3#
      • 1...Sf5+
        • 2.Sb3#
      • 1...Kxd4
        • 2.Sf5#
      • 1...Bxd6
        • 2.Qa7#
      • 1...Bf5
        • 2.Sb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 1
  • Sets
    • P(d);N_GUARD::P(B)
  • Actual
    • S(E);N_PINS(b)
    • Threat
      • S(E)
    • Vars
      • S(b);CHECK::B(A)+S(E),DCHECK
      • K(f);P_SPINB(e),P_SPINS(b),S_FLIGHT,XS(E)::S(H)
      • B(i);N_GUARD,P_SPINB(i),SBLOCK,XS(H)::QAB(I)
      • B(e);::QAB(I)+S(H),DCHECK
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