MESON Chess Problem Database

Problem Display
PID: 154154 (8/8/1N2pp2/2RR4/rp6/Bpr1k1P1/6P1/1BN1K3 w - - 0 1)

Goodwin, H

Sheffield Guardian (The), 1909

(First published on Mon Jul 26 1909)

8/8/1N2pp2/2RR4/rp6/Bpr1k1P1/6P1/1BN1K3

#2

9 + 7

15239 Valois Notebooks 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc1+
      • 2.Bxc1#
    • 1...Rc4
      • 2.Sxc4#
    • 1...bxa3
      • 2.Rxc3#
  • Tries
    • 1.Re5+?
      • 1...Kd4
        • 2.Se2#
      • 1...fxe5!
  • Keys
    • 1.Rc4!
      • threat
        • 2.Re4#
      • 1...Rxc1+
        • 2.Bxc1#
      • 1...Rxc4
        • 2.Sxc4#
      • 1...bxa3
        • 2.Rxc3#
      • 1...exd5
        • 2.Sxd5#
      • 1...Rc2
        • 2.Rd3#
      • 1...Rd3
        • 2.Rxd3#
      • 1...f5
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(b);CHECK,OGATE,XS(B)::B(E),XR(b)
    • R(b);N_GUARD::S(I),XR(b)
    • P(e);N_GUARD,XB(E)::R(G),XR(b)
  • Tries
    • Try
      • R(H);CHECK
      • Vars
        • K(c);S_FLIGHT::S(B)
      • Refutation
        • P(g);XR(H)
  • Actual
    • R(G);
    • Threat
      • R1(G)
    • Vars
      • R(b);CHECK,OGATE,XS(B)::B(E),XR(b)
      • R(b);XR(G)::S(I),XR(b)
      • P(e);N_GUARD,XB(E)::R(G),XR(b)
      • P(f);XR(H)::S(I),XP(f)
      • R(b);N_GUARD::R1(H)
      • R(b);N_GUARD::R1(H),XR(b)
      • P(g);N_GUARD::R(H)
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