MESON Chess Problem Database

Problem Display
PID: 78834 (1B3n2/4PQ2/1p2p3/1Pp1P1p1/3NkPpb/R6n/B4p2/3R1K2 w - - 0 1)

Touw Hian Bwee

A Collection of Chess Problems by Touw Hian Bwee, 2008

1B3n2/4PQ2/1p2p3/1Pp1P1p1/3NkPpb/R6n/B4p2/3R1K2

#2

11 + 10

56 The Problemist 2008

SOLUTION

  • SOUND
  • Tries
    • 1.Sxe6?
      • threat
        • 2.Bb1#
        • 2.Bd5#
      • 1...c4
        • 2.Bb1#
        • 2.Rd4#
      • 1...Sxf4!
    • 1.Bd5+?
      • 1...exd5
        • 2.Qf5#
      • 1...Kxd5!
    • 1.Bxe6?
      • threat
        • 2.Bd5#
        • 2.Qf5#
      • 1...Sxf4
        • 2.Bf5#
        • 2.Qf5#
      • 1...Sxe6!
    • 1.Qg6+?
      • 1...Kxf4
        • 2.Se2#
        • 2.exf8Q#
        • 2.exf8R#
      • 1...Sxg6!
    • 1.exf8Q?
      • threat
        • 2.Qg6#
        • 2.Qb7#
        • 2.Qh7#
      • 1...c4
        • 2.Qb7#
      • 1...Sxf4!
    • 1.exf8R?
      • threat
        • 2.Qg6#
        • 2.Qb7#
        • 2.Qh7#
      • 1...c4
        • 2.Qb7#
      • 1...Sxf4!
    • 1.e8S?
      • threat
        • 2.Sd6#
      • 1...Sxf4
        • 2.Sf6#
      • 1...gxf4
        • 2.Qb7#
      • 1...c4!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Sd6#
      • 1...Kxf4
        • 2.Sg3#
      • 1...Sxf4
        • 2.Re3#
      • 1...gxf4
        • 2.Bb1#
      • 1...exf5
        • 2.Qc4#

This is a version of 78833

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);XP(i)
      • Threat
        • DUALS(2)
      • Refutation
        • S(b);XP(F)
    • Try
      • B(C);CHECK
      • Vars
        • P(i);SBLOCK,XB(C)::QAB1(J)
      • Refutation
        • K(c);P_SPINP(i),S_FLIGHT,XB(C)
    • Try
      • B(C);XP(i)
      • Threat
        • DUALS(2)
      • Refutation
        • S(j);XB(C)
    • Try
      • Q(J);CHECK
      • Refutation
        • S(j);XQ(J)
    • Try
      • P(I);XS(j)
      • Threat
        • DUALS(3)
      • Vars
        • P(f);::QAB(J)
      • Refutation
        • S(b);XP(F)
    • Try
      • P(I);XS(j)
      • Threat
        • DUALS(3)
      • Vars
        • P(f);::QAB(J)
      • Refutation
        • S(b);XP(F)
    • Try
      • P(I);
      • Threat
        • S(I)
      • Vars
        • S(b);SBLOCK,XP(F)::S(I)
        • P(g);SBLOCK,XP(F)::QAB(J)
      • Refutation
        • P(f);
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(c);P-FLIGHT,XP(F)::QAR(J)+S(E)
      • S(b);SBLOCK,XP(F)::R1(D)
      • P(g);SBLOCK,XP(F)::B(C)
      • P(i);OGATE,SBLOCK,XS(E)::QAR2(J)
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