MESON Chess Problem Database

Problem Display
PID: 17701 (2B1K3/3R4/R1P1k3/3N1p1N/6P1/b3p3/3P4/2q1Q2b w - - 0 1)

Gooderson, Arthur R

The Problemist, 1948

2B1K3/3R4/R1P1k3/3N1p1N/6P1/b3p3/3P4/2q1Q2b

#2

10 + 6

3207 A R Gooderson An English Progressive 1996

SOLUTION

  • SOUND
  • Tries
    • 1.Qg3?
      • threat
        • 2.Sc7#
        • 2.Sg7#
        • 2.Rd6#
        • 2.Rd8#
      • 1...Qxc6
        • 2.Sc7#
        • 2.Sg7#
      • 1...Bxd5
        • 2.Rd6#
        • 2.Rda7#
        • 2.Rb7#
        • 2.Rc7#
        • 2.Re7#
        • 2.Rf7#
        • 2.Rg7#
        • 2.Rh7#
        • 2.Rd8#
      • 1...fxg4
        • 2.Sg7#
        • 2.Rd6#
        • 2.Rd8#
      • 1...Bd6
        • 2.Rxd6#
        • 2.Qxd6#
      • 1...Qb2
        • 2.Sc7#
        • 2.Rd6#
        • 2.Rd8#
      • 1...Qa1
        • 2.Sc7#
        • 2.Rd6#
        • 2.Rd8#
      • 1...Qc3
        • 2.Sc7#
        • 2.Rd6#
        • 2.Rd8#
      • 1...Bb2
        • 2.Sc7#
        • 2.Rd6#
        • 2.Rd8#
        • 2.Qd6#
      • 1...Bf8
        • 2.Sc7#
        • 2.Rd6#
        • 2.Rd8#
      • 1...f4!
    • 1.d4?
      • threat
        • 2.Sdf4#
        • 2.Sc7#
        • 2.Shf4#
        • 2.Sg7#
        • 2.Rd8#
      • 1...Qxc6
        • 2.Sdf4#
        • 2.Sc7#
        • 2.Shf4#
        • 2.Sg7#
      • 1...Bxd5
        • 2.Rd8#
      • 1...fxg4
        • 2.Sg7#
        • 2.Rd8#
      • 1...Bf8
        • 2.Sdf4#
        • 2.Sc7#
        • 2.Shf4#
        • 2.Rd8#
      • 1...e2
        • 2.Sc7#
        • 2.Sg7#
        • 2.Rd8#
      • 1...f4
        • 2.Sdxf4#
        • 2.Sc7#
        • 2.Shxf4#
        • 2.Sg7#
        • 2.Rd8#
      • 1...Bd6!
  • Keys
    • 1.Sxe3!
      • threat
        • 2.Rd5#
      • 1...Ke5
        • 2.Sc4#
      • 1...Qxc6
        • 2.Sg2#
      • 1...Bxc6
        • 2.Sd1#
      • 1...Bd5
        • 2.Rxd5#
      • 1...Bd6
        • 2.Re7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);N_PINP(d)
      • Threat
        • DUALS(4)
      • Refutation
        • P(e);
    • Try
      • P(B);
      • Threat
        • DUALS(5)
      • Vars
        • B(b);XS(D)::B(I)+R(H)
      • Refutation
        • B(c);
  • Actual
    • S(D);XP(d)
    • Threat
      • B(I)+R(H)
    • Vars
      • K(f);P-FLIGHT::QAR(A)+S(D),DCHECK
      • Q(a);N_GUARD,P_PINR(H),P_SPINQ(a),XP(G)::QAR(A)+S(D)
      • B(b);N_GUARD,P_PINR(H),P_SPINB(b),XP(G)::QAR(A)+S(D)
      • B(b);::B(I)+R(H),XB(b)
      • B(c);SBLOCK::B(I)+R(H),DCHECK
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