MESON Chess Problem Database

Problem Display
PID: 165119 (8/1n6/8/1QPp4/3kP1N1/5R2/n2b4/1BB4K w - - 0 1)

Kuligin, M

Sachmatija, 2008

8/1n6/8/1QPp4/3kP1N1/5R2/n2b4/1BB4K

#2

8 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Bc3
      • 2.Be3#
    • 1...Sc3
      • 2.Qb4#
  • Tries
    • 1.Bb2+?
      • 1...Sc3
        • 2.Qb4#
      • 1...Bc3!
  • Keys
    • 1.Rc3!
      • threat
        • 2.Qd3#
      • 1...Kxc3
        • 2.Bb2#
      • 1...Bxc3
        • 2.Be3#
      • 1...Sxc1
        • 2.Qb4#
      • 1...Sxc3
        • 2.Qb4#
      • 1...Sxc5
        • 2.Qxc5#
      • 1...dxe4
        • 2.Qc4#
      • 1...Sb4
        • 2.Qxb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(b);OGATE,SBLOCK::B(B)
    • S(a);N_GUARD,S_CUTB(b)::QAR2(G)
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • S(a);P_SPINS(a)::QAR2(G)
      • Refutation
        • B(b);P_SPINB(b)
  • Actual
    • R(D);
    • Threat
      • QAR1(G)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(D)::B(B)
      • B(b);OGATE,SBLOCK,XR(D)::B(B)
      • S(a);N_GUARD,XB(B)::QAR2(G)
      • S(a);N_GUARD,XR(D)::QAR2(G)
      • S(e);OGATE,XP(H)::QAB1(G),XS(e)
      • P(d);N_GUARD,XP(E)::QAR1(G)
      • S(a);N_GUARD::QAR2(G),XS(a)
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