MESON Chess Problem Database

Problem Display
PID: 797 (3n4/1p5p/1P1Q4/5p1K/1p1pk2N/1P1qnpp1/2B2Rrp/3N3b w - - 0 1)

Gooderson, Arthur R

1st Prize, British Chess Magazine, 1962

3n4/1p5p/1P1Q4/5p1K/1p1pk2N/1P1qnpp1/2B2Rrp/3N3b

#2

8 + 14

3174 The Two-move Chess Problem Tradition and Development 1966
3747 FIDE Album (1962-1964) 1968
3207 A R Gooderson An English Progressive 1996

SOLUTION

  • SOUND
  • Tries
    • 1.Sc3+?
      • 1...dxc3
        • 2.Bxd3#
      • 1...bxc3!
    • 1.Qe6+?
      • 1...Kf4
        • 2.Rxf3#
      • 1...Sxe6!
  • Keys
    • 1.Sxf3!
      • threat
        • 2.Sd2#
        • 2.Sg5#
        • 2.Qe5#
        • 2.Qxd4#
      • 1...Qxc2
        • 2.Qxd4#
      • 1...Rxf2
        • 2.Sg5#
      • 1...Sxd1
        • 2.Qe5#
        • 2.Qxd4#
      • 1...Sxc2
        • 2.Sg5#
        • 2.Qe5#
      • 1...gxf2
        • 2.Sd2#
      • 1...f4
        • 2.Qe5#
      • 1...Sf1
        • 2.Sg5#
        • 2.Qe5#
        • 2.Qxd4#
      • 1...Sc4
        • 2.Sg5#
        • 2.Qxd4#
      • 1...Sg4
        • 2.Sd2#
        • 2.Sg5#
        • 2.Qxd4#
      • 1...Sd5
        • 2.Sd2#
        • 2.Sg5#
        • 2.Qe5#
      • 1...Sc6
        • 2.Sd2#
        • 2.Sg5#
      • 1...Se6
        • 2.Sd2#
        • 2.Qe5#
      • 1...Sf7
        • 2.Sd2#
        • 2.Qxd4#
      • 1...h6
        • 2.Sd2#
        • 2.Qe5#
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • P(i);XS(A)::B(B),XQ(d)
      • Refutation
        • P(h);XS(A)
    • Try
      • Q(H);CHECK
      • Vars
        • K(j);N_SPINQ(d),P-FLIGHT,P_SPINP(f)::R1(C),XP(f)
      • Refutation
        • S(n);XQ(H)
  • Actual
    • S(E);XP(f)
    • Threat
      • DUALS(4)
    • Vars
      • Q(d);N_SPINQ(d),XB(B)::QAR1(H),XP(i)
      • R(b);XR(C)::S(E)
      • P(g);XR(C)::S(E)
      • P(k);::QAR1(H)
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