MESON Chess Problem Database

Problem Display
PID: 55667 (1b6/3pB1N1/8/p2pRpK1/3kN1pp/1P1P3r/3QP1B1/q4r2 w - - 0 1)

Touw Hian Bwee

3rd Prize, Die Schwalbe, 1964/II

1b6/3pB1N1/8/p2pRpK1/3kN1pp/1P1P3r/3QP1B1/q4r2

#2

10 + 11

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

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe5
      • 2.Bf6#
    • 1...Bxe5
      • 2.Bc5#
  • Tries
    • 1.Sf2?
      • threat
        • 2.Rxd5#
      • 1...Kxe5
        • 2.Qf4#
      • 1...Bxe5
        • 2.Sxf5#
      • 1...Rf3!
    • 1.Sg3?
      • threat
        • 2.Rxd5#
      • 1...Kxe5
        • 2.Qe3#
      • 1...Bxe5
        • 2.e3#
      • 1...Rf3!
    • 1.e3+?
      • 1...Kxe5
        • 2.Bf6#
      • 1...Rxe3!
  • Keys
    • 1.Sc3!
      • threat
        • 2.Rxd5#
      • 1...Kxe5
        • 2.d4#
      • 1...Bxe5
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(d);OGATEB,S_FLIGHT,XR(G)::B(I)
    • B(k);SBLOCK,XR(G)::B(I)
  • Tries
    • Try
      • S(F);
      • Threat
        • R1(G),XP(h)
      • Vars
        • K(d);S_FLIGHT,XR(G)::QAB1(A)
        • B(k);SBLOCK,XR(G)::S(J),XP(i)
      • Refutation
        • R(c);
    • Try
      • S(F);
      • Threat
        • R1(G),XP(h)
      • Vars
        • K(d);S_FLIGHT,XR(G)::QAR2(A)
        • B(k);SBLOCK,XR(G)::P(B)
      • Refutation
        • R(b);
    • Try
      • P(B);CHECK
      • Vars
        • K(d);S_FLIGHT,XR(G)::B(I)
      • Refutation
        • R(c);XP(B)
  • Actual
    • S(F);
    • Threat
      • R1(G),XP(h)
    • Vars
      • K(d);OGATE,S_FLIGHT,XR(G)::P(E)
      • B(k);SBLOCK,XR(G)::S(F)
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