MESON Chess Problem Database

Problem Display
PID: 16335 (5b2/1KpQ4/N3p2q/1p1nPPN1/3k3r/p4R2/Br1P1P2/B3R2b w - - 0 1)

Gooderson, Arthur R

Chess, 1940

5b2/1KpQ4/N3p2q/1p1nPPN1/3k3r/p4R2/Br1P1P2/B3R2b

#2

12 + 11

3207 A R Gooderson An English Progressive 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Qg7
      • 2.Sxe6#
    • 1...Qh5
      • 2.Sxe6#
    • 1...Qh7
      • 2.Sxe6#
    • 1...Qh8
      • 2.Sxe6#
    • 1...Rh2
      • 2.Re4#
    • 1...Rh3
      • 2.Re4#
    • 1...Re4
      • 2.Rxe4#
    • 1...Rh5
      • 2.Re4#
    • 1...exf5
      • 2.Qxd5#
  • Keys
    • 1.Qxb5!
      • threat
        • 2.Rd3#
      • 1...Bxf3
        • 2.Sxf3#
      • 1...Re4
        • 2.Rxe4#
      • 1...Rh3
        • 2.Re4#
      • 1...Sc3
        • 2.dxc3#
      • 1...Se3
        • 2.fxe3#
      • 1...Sb4
        • 2.Qc4#
      • 1...Sf4
        • 2.Re4#
      • 1...Sb6
        • 2.Qd3#
      • 1...Sf6
        • 2.Sxe6#
      • 1...Se7
        • 2.Qb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 7
  • Sets
    • Q(i);N_GUARD::S(I),XP(h)
    • R(e);N_GUARD::R1(B)
    • R(e);N_GUARD::R1(B),XR(e)
    • P(h);N_GUARD,XP(H)::QAR1(L),XS(g)
  • Actual
    • Q(L);N_PINS(g),P_SPINQ(L),XP(f)
    • Threat
      • R1(F)
    • Vars
      • B(a);XR(F)::S(I),XB(a)
      • R(e);N_GUARD::R1(B),XR(e)
      • R(e);N_GUARD::R1(B)
      • S(g);N_SPINR(b),OGATE,P_PINR(F)::P(D),XS(g)
      • S(g);OGATE,P_PINR(F)::P(E),XS(g)
      • S(g);N_PINQ(L),P_PINR(F)::QAR1(L)
      • S(g);P_PINR(F),S_CUTR(e)::R1(B)
      • S(g);P_PINR(F),S_CUTQ(i)::S(I),XP(h)
      • S(g);N_GUARD,P_PINR(F),S_CUTB(k)::QAR2(L)
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