MESON Chess Problem Database

Problem Display
PID: 56845 (2R3QB/2b5/qn2BR2/1b6/rr3N2/2k5/2N1P3/1nK5 w - - 0 1)

Zhilko, Dmitri Vitalevich

Troll, 1994

2R3QB/2b5/qn2BR2/1b6/rr3N2/2k5/2N1P3/1nK5

#2

9 + 8

6114 Problemschach-Jahrbuch (1994) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Qg3#
  • Tries
    • 1.Rxc7+?
      • 1...Rc4
        • 2.Qg3#
      • 1...Bc4
        • 2.Qg3#
      • 1...Sc4
        • 2.Qg3#
      • 1...Bc6!
  • Keys
    • 1.Ba2!
      • threat
        • 2.Rc6#
      • 1...Rd4
        • 2.Qb3#
      • 1...Rc4
        • 2.Qg3#
      • 1...Bc4
        • 2.Rd6#
      • 1...Bc6
        • 2.Rxc6#
      • 1...Sc4
        • 2.Sd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(d);N_SPINB(h),S_CUTB(e)::QAR(H)
  • Tries
    • Try
      • R(G);CHECK,XB(h)
      • Vars
        • R(d);P_SPINR(d)::QAR(H)
        • B(e);P_SPINB(e)::QAR(H)
        • S(g);P_SPINS(g)::QAR(H)
      • Refutation
        • B(e);P_SPINB(e)
  • Actual
    • B(E);
    • Threat
      • B(I)+R(F),DCHECK
    • Vars
      • R(d);N_GUARD::QAR1(H)
      • R(d);N_SPINB(h),S_CUTB(e)::QAR(H)
      • B(e);N_SPINB(h),S_CUTR(d)::B(I)+R(F)
      • B(e);N_SPINB(h)::B(I)+R(F),DCHECK,XB(e)
      • S(g);N_GUARD,N_SPINB(h)::S(D)
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