MESON Chess Problem Database

Problem Display
PID: 165968 (BQ1b1N2/1Kn5/5pN1/1p3k2/1Rb4P/3pnP2/4P3/8 w - - 0 1)

Koci, Vladimir

Sachova skladba, 2012

BQ1b1N2/1Kn5/5pN1/1p3k2/1Rb4P/3pnP2/4P3/8

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Ba2
      • 2.Rf4#
    • 1...Bb3
      • 2.Rf4#
    • 1...Be6
      • 2.Rf4#
    • 1...Bf7
      • 2.Rf4#
    • 1...Bg8
      • 2.Rf4#
    • 1...Sd1
      • 2.e4#
    • 1...Sf1
      • 2.e4#
    • 1...Sc2
      • 2.e4#
    • 1...Sg2
      • 2.e4#
    • 1...Sg4
      • 2.e4#
    • 1...Sed5
      • 2.e4#
    • 1...Scd5
      • 2.Qc8#
    • 1...Sa6
      • 2.Qf4#
    • 1...Sxa8
      • 2.Qf4#
    • 1...Se8
      • 2.Qf4#
  • Tries
    • 1.Qc8+?
      • 1...Be6
        • 2.Rf4#
      • 1...Se6!
  • Keys
    • 1.Ka7!
      • threat
        • 2.Be4#
      • 1...Sxa8
        • 2.Qf4#
      • 1...Bd5
        • 2.Rf4#
      • 1...Sed5
        • 2.e4#
      • 1...Scd5
        • 2.Qc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 12
  • Sets
    • B(c);OGATE::R1(C)
    • S(b);OGATE::P(A)
    • S(g);N_GUARD,S_CUTB(c)::QAB(H)
    • S(g);OGATE::QAR1(H)
    • S(g);OGATE,XB(G)::QAR1(H)
  • Tries
    • Try
      • Q(H);CHECK
      • Vars
        • B(c);OGATE,P_SPINB(c)::R1(C)
      • Refutation
        • S(g);P_SPINS(g)
  • Actual
    • K(F);P-FLIGHT
    • Threat
      • B(G)
    • Vars
      • S(g);OGATE,XB(G)::QAR1(H)
      • B(c);OGATE::R1(C)
      • S(b);OGATE::P(A)
      • S(g);N_GUARD,S_CUTB(c)::QAB(H)
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