MESON Chess Problem Database

Problem Display
PID: 80140 (7b/5Q2/n4n2/3p2p1/1p1PP1Pp/R4Pkp/5N2/3NB2K w - - 0 1)

Zappas, Byron

7th HM., Probleme TT, 1966-1967

7b/5Q2/n4n2/3p2p1/1p1PP1Pp/R4Pkp/5N2/3NB2K

#2

10 + 9

6355 BCF 113. Ty. 1966-1967

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Sxh3#
    • 1...Sc5
      • 2.Qc7#
    • 1...Sc7
      • 2.Qxc7#
    • 1...Sb8
      • 2.Qc7#
    • 1...Sxe4
      • 2.Sxe4#
    • 1...Sxg4
      • 2.Sxg4#
    • 1...Sh5
      • 2.Sd3#
    • 1...Sd7
      • 2.Sd3#
    • 1...Sh7
      • 2.Sd3#
    • 1...Se8
      • 2.Sd3#
    • 1...Sg8
      • 2.Sd3#
  • Tries
    • 1.Re3?
      • threat
        • 2.Sd3#
      • 1...Kf4
        • 2.Sd3#
        • 2.Sxh3#
      • 1...Sxe4
        • 2.Sxe4#
        • 2.fxe4#
        • 2.f4#
      • 1...Sxg4
        • 2.Sxg4#
        • 2.fxg4#
      • 1...h2!
  • Keys
    • 1.Bxb4!
      • threat
        • 2.Bd6#
      • 1...Kf4
        • 2.Bd6#
      • 1...Sxb4
        • 2.Qc7#
      • 1...Sxe4
        • 2.fxe4#
      • 1...Sxg4
        • 2.fxg4#
      • 1...Sc5
        • 2.Qc7#
      • 1...Sh5
        • 2.f4#
      • 1...Sd7
        • 2.f4#
      • 1...Sh7
        • 2.f4#
      • 1...Se8
        • 2.f4#
      • 1...Sg8
        • 2.f4#

This is a version

This problem was awarded a commend in the BCF 113. Ty., 1966-1967.

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 8
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • K(a);P_SPINS(h),S_FLIGHT::S(D),XP(b)
    • S(g);N_GUARD::QAB(J)
    • S(g);N_GUARD::QAB(J),XS(g)
    • S(h);XP(H)::B(B)+S(D),DCHECK,XS(h)
    • S(h);XP(I)::B(B)+S(D),XS(h)
    • S(h);::B(B)+S(D)
  • Tries
    • Try
      • R(E);
      • Threat
        • B(B)+S(D)
      • Refutation
        • P(b);
  • Actual
    • B(B);XP(c)
    • Threat
      • B(B)
    • Vars
      • K(a);P_SPINS(h),S_FLIGHT::B(B)
      • S(g);N_GUARD,XB(B)::QAB(J)
      • S(h);OGATE,XP(H)::R(E)+P(F),XS(h)
      • S(h);OGATE,XP(I)::R(E)+P(F),XS(h)
      • S(g);N_GUARD::QAB(J)
      • S(h);::R(E)+P(F)
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Developed and maintained by Brian Stephenson.
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