MESON Chess Problem Database

Problem Display
PID: 35215 (8/2K2p1n/4P3/1Bk5/2ppPNP1/3P3Q/n2N4/1R6 w - - 0 1)

Reitman, Mark

Shakhmatna misl, 1995

8/2K2p1n/4P3/1Bk5/2ppPNP1/3P3Q/n2N4/1R6

#2

10 + 6

3657 Izbrannie Shakhmatnie Zadachi Marka Reitmana 2000

SOLUTION

  • SOUND
  • Sets
    • 1...cxd3
      • 2.Sxd3#
    • 1...fxe6
      • 2.Sxe6#
  • Tries
    • 1.Bxc4?
      • threat
        • 2.Rb5#
      • 1...Sb4
        • 2.Sb3#
      • 1...Sc3!
    • 1.Qh5+?
      • 1...f5
        • 2.Qxf5#
      • 1...Sg5!
    • 1.exf7?
      • threat
        • 2.Se6#
      • 1...Sg5
        • 2.f8Q#
        • 2.f8B#
      • 1...Sf8
        • 2.Qh5#
      • 1...Sb4!
  • Keys
    • 1.dxc4!
      • threat
        • 2.Sd3#
      • 1...d3
        • 2.Qe3#
      • 1...Sc1
        • 2.Qa3#
      • 1...Sb4
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • P(b);XP(C)::S(F),XP(b)
    • P(e);XP(I)::S(F),XP(e)
  • Tries
    • Try
      • B(H);XP(b)
      • Threat
        • R1(A)
      • Vars
        • S(a);SBLOCK::S(B)
      • Refutation
        • S(a);
    • Try
      • Q(D);CHECK
      • Vars
        • P(e);P_SPINP(e)::QAR(D),XP(e)
      • Refutation
        • S(f);P_SPINS(f)
    • Try
      • P(I);XP(e)
      • Threat
        • S(F)
      • Vars
        • S(f);N_GUARD::P=Q
        • S(f);N_GUARD::QAR(D)
      • Refutation
        • S(a);
  • Actual
    • P(C);XP(b)
    • Threat
      • S(F)
    • Vars
      • P(c);OGATEB::QAB(D)
      • S(a);N_GUARD::QAB(D)
      • S(a);SBLOCK::S(B)
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