MESON Chess Problem Database

Problem Display
PID: 79969 (3R4/4n3/5p2/3pNB2/1P1kp1K1/1P1P4/3B1P2/3R4 w - - 0 1)

Touw Hian Bwee

Nice-Matin, 1971

3R4/4n3/5p2/3pNB2/1P1kp1K1/1P1P4/3B1P2/3R4

#2

10 + 5

6352 A Collection of Chess Problems by Touw Hian Bwee 2008

SOLUTION

  • SOUND
  • Sets
    • 1...exd3
      • 2.Sf3#
    • 1...e3
      • 2.Sf3#
  • Tries
    • 1.Bc1?
      • threat
        • 2.Bb2#
      • 1...Kxe5
        • 2.d4#
      • 1...Kc3!
    • 1.Be3+?
      • 1...Kxe5
        • 2.d4#
      • 1...Kc3!
    • 1.dxe4?
      • 1...Kxe5
        • 2.Bf4#
      • 1...fxe5
        • 2.Be1#
      • 1...Sc6
        • 2.Rxd5#
      • 1...Sg6
        • 2.Rxd5#
      • 1...Sc8
        • 2.Rxd5#
      • 1...Sg8
        • 2.Rxd5#
      • 1...Sxf5!
  • Keys
    • 1.Be1!
      • 1...Kxe5
        • 2.d4#
      • 1...Sxf5
        • 2.Sc6#
      • 1...exd3
        • 2.Sf3#
      • 1...fxe5
        • 2.dxe4#
      • 1...Sc6
        • 2.Sxc6#
      • 1...Sg6
        • 2.Sc6#
      • 1...Sc8
        • 2.Sc6#
      • 1...Sg8
        • 2.Sc6#
      • 1...e3
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • P(b);N_GUARD,XP(E)::S(H)
    • P(b);N_GUARD::S(H)
  • Tries
    • Try
      • B(B);
      • Threat
        • B(B)
      • Vars
        • K(a);N_SPINP(c),OGATE,S_FLIGHT,XS(H)::P(E)
      • Refutation
        • K(a);N_SPINP(c),S_FLIGHT
    • Try
      • B(B);CHECK
      • Vars
        • K(a);N_SPINP(c),OGATE,S_FLIGHT,XS(H)::P(E)
      • Refutation
        • K(a);N_SPINP(c),S_FLIGHT
    • Try
      • P(E);XP(b)
      • Vars
        • K(a);N_SPINP(c),S_FLIGHT,XS(H)::B(B)
        • P(d);SBLOCK,XS(H)::R(A)+B(B)
        • S(e);N_GUARD::R1(J),XP(c)
      • Refutation
        • S(e);XB(I)
  • Actual
    • B(B);
    • Vars
      • K(a);N_SPINP(c),OGATE,S_FLIGHT,XS(H)::P(E)
      • S(e);N_GUARD,XB(I)::S(H)
      • P(b);N_GUARD,N_SPINP(c),P_SPINP(b),XP(E)::S(H)
      • P(d);SBLOCK,XS(H)::R(A)+P(E),XP(b)
      • S(e);N_GUARD::S(H),XS(e)
      • S(e);N_GUARD::S(H)
      • P(b);N_GUARD::S(H)
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