MESON Chess Problem Database

Problem Display
PID: 19458 (3R4/2qrpn2/2p1N1Q1/2Pk2pR/1p1P1b2/1K6/6b1/1B6 w - - 0 1)

Lipton, Michael

Al Hamishmar, 1953

3R4/2qrpn2/2p1N1Q1/2Pk2pR/1p1P1b2/1K6/6b1/1B6

#2

8 + 10

3174 The Two-move Chess Problem Tradition and Development 1966
3770 BCSC Postal 1999-2000
14867 BCPS Library 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Bf1
      • 2.Be4#
      • 2.Qe4#
    • 1...Bh3
      • 2.Be4#
      • 2.Qe4#
    • 1...Be4
      • 2.Bxe4#
      • 2.Qxe4#
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qc4#
      • 1...Kxe6
        • 2.Qf5#
      • 1...Bf1
        • 2.Qe4#
      • 1...Se5
        • 2.Sxc7#
      • 1...Sd6
        • 2.Sxf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(G);
    • Threat
      • QAB1(G)
    • Vars
      • K(d);N_SPINP(e),N_SPINR(h),S_FLIGHT,XS(F)::QAB1(G)
      • B(a);N_GUARD::QAB1(G)
      • S(j);N_SPINP(e),S_CUTB(c)::S(F),XQ(g)
      • S(j);N_SPINR(h),S_CUTQ(g)::S(F),XB(c)
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