MESON Chess Problem Database

Problem Display
PID: 34972 (5K2/3p2Np/2Qp1p1k/3pp3/5p2/1b3NR1/8/8 w - - 0 1)

Reitman, Mark

3rd HM., Konkurs Moszorkomsnopma, 1992

5K2/3p2Np/2Qp1p1k/3pp3/5p2/1b3NR1/8/8

#2

5 + 9

3657 Izbrannie Shakhmatnie Zadachi Marka Reitmana 2000

SOLUTION

  • SOUND
  • Sets
    • 1...f5
      • 2.Qxd6#
  • Tries
    • 1.Kf7?
      • threat
        • 2.Rh3#
      • 1...fxg3
        • 2.Qc1#
      • 1...d4+!
    • 1.Sh4?
      • threat
        • 2.Shf5#
      • 1...fxg3
        • 2.Qc1#
      • 1...f5
        • 2.Shxf5#
        • 2.Qxd6#
      • 1...Bc2!
    • 1.Rg5?
      • threat
        • 2.Sf5#
      • 1...fxg5
        • 2.Qxd6#
      • 1...f5
        • 2.Sxf5#
        • 2.Qxd6#
      • 1...Bc2!
    • 1.Qxd7?
      • threat
        • 2.Qh3#
      • 1...f5
        • 2.Qe6#
        • 2.Qxd6#
      • 1...fxg3!
  • Keys
    • 1.Sxe5!
      • threat
        • 2.Sf7#
      • 1...fxg3
        • 2.Qc1#
      • 1...dxe5
        • 2.Qxf6#
      • 1...fxe5
        • 2.Qxd6#
      • 1...d4
        • 2.Qh1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • P(f);OGATEB,P_SPINP(e)::QAR(C),XP(e)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Threat
        • R(B)
      • Vars
        • P(b);OGATEB,XR(B)::QAB(C)
      • Refutation
        • P(c);CHECK
    • Try
      • S(A);
      • Threat
        • S(A)
      • Vars
        • P(b);OGATEB,XR(B)::QAB(C)
      • Refutation
        • B(a);
    • Try
      • R(B);
      • Threat
        • S(D)
      • Vars
        • P(f);OGATEB,P_SPINP(e),XR(B)::QAR(C),XP(e)
      • Refutation
        • B(a);
    • Try
      • Q(C);XP(h)
      • Threat
        • QAR(C)
      • Refutation
        • P(b);XR(B)
  • Actual
    • S(A);XP(d)
    • Threat
      • S(A)
    • Vars
      • P(b);OGATEB,XR(B)::QAB(C)
      • P(e);OGATE,P_SPINP(f),XS(A)::QAR2(C),XP(f)
      • P(f);OGATEB,P_SPINP(e),XS(A)::QAR(C),XP(e)
      • P(c);OGATE::QAR(C)
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