MESON Chess Problem Database

Problem Display
PID: 802 (8/8/2Q5/1p3K2/4Np2/3b4/pB4R1/rk3r2 w - - 0 1)

Lipton, Michael

British Chess Magazine, 1963

8/8/2Q5/1p3K2/4Np2/3b4/pB4R1/rk3r2

#2

5 + 7

3174 The Two-move Chess Problem Tradition and Development 1966

SOLUTION

  • SOUND
  • Sets
    • 1...Rc1
      • 2.Qxc1#
    • 1...Rf2
      • 2.Qc1#
    • 1...Rf3
      • 2.Qc1#
    • 1...Bc2
      • 2.Qxc2#
    • 1...Bc4
      • 2.Sc3#
    • 1...Bxe4+
      • 2.Qxe4#
  • Keys
    • 1.Ba3!
      • threat
        • 2.Rb2#
      • 1...Bxe4+
        • 2.Qxe4#
      • 1...Rf2
        • 2.Qc1#
      • 1...Bc2
        • 2.Qxc2#
      • 1...Be2
        • 2.Sd2#
      • 1...Bc4
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(c);N_GUARD::QAR1(E),XR(c)
    • R(c);N_GUARD::QAR1(E)
    • B(e);N_GUARD::QAB1(E),XB(e)
    • B(e);N_PINS(C)::S(C)
    • B(e);CHECK,OGATE,XS(C)::QAB(E),XB(e)
  • Actual
    • B(A);
    • Threat
      • R1(B)
    • Vars
      • B(e);CHECK,OGATE,XS(C)::QAB(E),XB(e)
      • R(c);N_GUARD::QAR1(E)
      • B(e);N_GUARD::QAB1(E),XB(e)
      • B(e);N_PINS(C)::S(C)
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