MESON Chess Problem Database

Problem Display
PID: 78671 (1B3bB1/Nbr2Rp1/1p6/3k2p1/2NrR3/3p4/3Q4/7K w - - 0 1)

Touw Hian Bwee

Comm., The Sun-Herald, 1961

1B3bB1/Nbr2Rp1/1p6/3k2p1/2NrR3/3p4/3Q4/7K

#2

8 + 9

6352 A Collection of Chess Problems by Touw Hian Bwee 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc4
      • 2.Rxc7#
    • 1...Kxe4
      • 2.Qg2#
    • 1...Rxc4
      • 2.Re5#
    • 1...Rc5
      • 2.Rff4#
      • 2.Rfe7#
    • 1...Bc5
      • 2.Rfe7#
  • Tries
    • 1.Qxg5+?
      • 1...Kxe4
        • 2.Sd2#
        • 2.Rf4#
        • 2.Qg2#
        • 2.Qe5#
        • 2.Qf5#
      • 1...Kxc4!
  • Keys
    • 1.Qb2!
      • threat
        • 2.Qxd4#
      • 1...Kxc4
        • 2.Rxc7#
      • 1...Kxe4
        • 2.Qg2#
      • 1...Kc5
        • 2.Qb5#
      • 1...Rdxc4
        • 2.Qe5#
      • 1...Rxe4
        • 2.Rf5#
      • 1...Rcxc4
        • 2.Re5#
      • 1...Bc5
        • 2.Rfe7#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(c);P_PINR(D),P_SPINR(b),S_FLIGHT,XS(C)::B(H)+R(F),DCHECK,XR(g)
    • K(c);OGATEB,S_FLIGHT,XR(D)::QAB(B)
    • R(g);SBLOCK,XS(C)::R1(D)
    • B(i);SBLOCK::B(H)+R(F)
  • Tries
    • Try
      • Q(B);CHECK,XP(d)
      • Refutation
        • K(c);P_PINR(D),P_SPINR(b),S_FLIGHT,XS(C)
  • Actual
    • Q(B);
    • Threat
      • QAR1(B),XR(b)
    • Vars
      • K(c);P_PINR(D),P_SPINR(b),S_FLIGHT,XS(C)::B(H)+R(F),DCHECK,XR(g)
      • K(c);OGATEB,S_FLIGHT,XR(D)::QAB(B)
      • K(c);P-FLIGHT,P_PINR(D)::QAR1(B)
      • R(b);OGATE,XS(C)::QAR1(B)
      • R(b);SBLOCK,XR(D)::B(H)+R(F),DCHECK
      • R(g);SBLOCK,XS(C)::R1(D)
      • B(i);SBLOCK::B(H)+R(F)
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