MESON Chess Problem Database

Problem Display
PID: 133966 (1B6/2pppR2/Q2P4/3nk3/5p2/NB3KP1/8/2b5 w - - 0 1)

Wong Kong Weng

The Field, 1963

(First published on Thu Jun 27 1963)

1B6/2pppR2/Q2P4/3nk3/5p2/NB3KP1/8/2b5

#2

8 + 7

SOLUTION

  • SOUND
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qxd5#
      • 1...Kxd6
        • 2.Qxd5#
      • 1...Ke6
        • 2.Qxd5#
      • 1...Sc3
        • 2.Rf5#
      • 1...Se3
        • 2.gxf4#
      • 1...Sb4
        • 2.Rf5#
      • 1...Sb6
        • 2.Rf5#
      • 1...Sf6
        • 2.Rxe7#
      • 1...c6
        • 2.Qe4#
      • 1...e6
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(E);
    • Threat
      • QAR1(E),XS(c)
    • Vars
      • K(d);P_SPINP(e),P_SPINS(c),S_FLIGHT,XP(F)::QAR1(E),XS(c)
      • K(d);P-FLIGHT,P_SPINS(c)::QAB1(E),XS(c)
      • S(c);::R1(G)
      • S(c);N_GUARD,S_CUTB(a)::P(D),XP(b)
      • S(c);N_GUARD,SBLOCK::R(G),XP(g)
      • P(e);::QAR1(E)
      • P(g);SBLOCK::S(A)
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