MESON Chess Problem Database

Problem Display
PID: 142012 (Q7/NK1p1p2/1PpR1P2/8/p1k5/P1PRP3/P7/b4B2 w - - 0 1)

Chepizhni, Viktor Ivanovich

Prize, Kudesnik, 2003

Q7/NK1p1p2/1PpR1P2/8/p1k5/P1PRP3/P7/b4B2

#2

12 + 6

6167 Viktor Chepizhny 2007
15174 FIDE Album (2001-2003) 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc3
      • 2.R3d5#
  • Tries
    • 1.Sb5?
      • threat
        • 2.R3d5#
      • 1...Kxb5
        • 2.R3d5#
      • 1...cxb5
        • 2.Qc8#
      • 1...Kc5!
    • 1.Qc8?
      • 1...Kc5
        • 2.R3d5#
      • 1...Bxc3
        • 2.R3d5#
      • 1...c5
        • 2.R6d4#
      • 1...Bb2!
  • Keys
    • 1.Qf8!
      • threat
        • 2.R6d4#
      • 1...Kc5
        • 2.Rxc6#
      • 1...Bxc3
        • 2.R3d5#
      • 1...c5
        • 2.Qxf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK,XP(D)::B(A)+R(E)
  • Tries
    • Try
      • S(J);
      • Threat
        • B(A)+R(E)
      • Vars
        • K(c);S_FLIGHT,XS(J)::B(A)+R(E),DCHECK
        • P(d);OGATEB,SBLOCK,XS(J)::QAR(L)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(L);P_PINP(d)
      • Vars
        • K(c);P-FLIGHT::R1(E)
        • B(a);SBLOCK,XP(D)::B(A)+R(E)
        • P(d);::R1(H)
      • Refutation
        • B(a);
  • Actual
    • Q(L);
    • Threat
      • R1(H)
    • Vars
      • K(c);P-FLIGHT::QAB(L)+R(H),DCHECK,XP(d)
      • B(a);SBLOCK,XP(D)::B(A)+R(E)
      • P(d);SBLOCK::QAB(L),XP(f)
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