MESON Chess Problem Database

Problem Display
PID: 55263 (3RQB2/1p1RKB2/2p2p2/2r1k3/6P1/3P1p2/b1p1NP2/8 w - - 0 1)

Touw Hian Bwee

2nd Prize, Israel Ring Ty., 1962

3RQB2/1p1RKB2/2p2p2/2r1k3/6P1/3P1p2/b1p1NP2/8

#2

10 + 8

3747 FIDE Album (1962-1964) 1968
6352 A Collection of Chess Problems by Touw Hian Bwee 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf7
      • 2.Kxf7#
    • 1...f5
      • 2.Bg7#
  • Tries
    • 1.Bg6?
      • threat
        • 2.d4#
      • 1...Rc4
        • 2.Kf7#
      • 1...Rd5
        • 2.Kf7#
      • 1...f5
        • 2.Bg7#
      • 1...fxe2!
    • 1.Rd4?
      • threat
        • 2.Re4#
      • 1...Rc4
        • 2.Kd7#
      • 1...f5
        • 2.Bg7#
      • 1...Bd5!
  • Keys
    • 1.Ra8!
      • threat
        • 2.Qb8#
      • 1...Rd5
        • 2.Kd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • B(a);XB(G)::QAR(I)+K(F),XB(a)
    • P(g);OGATEB::B(J)
  • Tries
    • Try
      • B(G);
      • Threat
        • P(C)
      • Vars
        • R(d);::QAR(I)+K(F)
        • P(g);OGATEB::B(J)
      • Refutation
        • P(c);XS(A)
    • Try
      • R(E);
      • Threat
        • R1(E)
      • Vars
        • R(d);S_CUTB(a)::QAR(I)+K(F)
        • P(g);OGATEB::B(J)
      • Refutation
        • B(a);
  • Actual
    • R(H);
    • Threat
      • QAB(I)
    • Vars
      • R(d);S_CUTB(a)::QAR(I)+K(F)
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