MESON Chess Problem Database

Problem Display
PID: 226600 (4B3/Kn6/4pp1r/2p1Pk2/2P1NPRb/7P/5RQ1/8 w - - 0 1)

Turner, WH

Sunday Chronicle, 1945

(First published on Sun Jul 22 1945)

4B3/Kn6/4pp1r/2p1Pk2/2P1NPRb/7P/5RQ1/8

#2

10 + 7

15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rh5
      • 2.Bg6#
    • 1...Rg6
      • 2.Bxg6#
    • 1...Rh7
      • 2.Bg6#
    • 1...Rh8
      • 2.Bg6#
    • 1...Bg3
      • 2.Sxg3#
    • 1...Bg5
      • 2.Sg3#
    • 1...Sa5
      • 2.Sd6#
    • 1...Sd6
      • 2.Sxd6#
    • 1...Sd8
      • 2.Sd6#
  • Tries
    • 1.Rxh4?
      • threat
        • 2.Sg3#
      • 1...Rg6
        • 2.Bxg6#
        • 2.Qxg6#
      • 1...fxe5!
    • 1.Rg5+?
      • 1...Bxg5
        • 2.Sg3#
      • 1...fxg5!
  • Keys
    • 1.Qg3!
      • 1...Kxe4
        • 2.f5#
      • 1...Bxg3
        • 2.Sxg3#
      • 1...fxe5
        • 2.fxe5#
      • 1...Rh5
        • 2.Bg6#
      • 1...Rg6
        • 2.Bxg6#
      • 1...Rh7
        • 2.Bg6#
      • 1...Rh8
        • 2.Bg6#
      • 1...Bg5
        • 2.fxg5#
      • 1...Sa5
        • 2.Sd6#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sd8
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(f);N_GUARD::B(J)
    • R(f);N_GUARD::B(J),XR(f)
    • B(a);N_GUARD::S(E),XB(a)
    • B(a);N_GUARD::S(E)
    • S(g);N_GUARD::S(E)
    • S(g);N_GUARD::S(E),XS(g)
  • Tries
    • Try
      • R(G);XB(a)
      • Threat
        • S(E)
      • Refutation
        • P(e);XP(H)
    • Try
      • R(G);CHECK
      • Vars
        • B(a);XR(G)::S(E)
      • Refutation
        • P(e);XR(G)
  • Actual
    • Q(B);
    • Vars
      • K(c);OGATE,S_FLIGHT,XS(E)::R(G)+P(F)
      • B(a);XQ(B)::S(E),XB(a)
      • P(e);OGATE,XP(H)::R(A)+P(F),XP(e)
      • R(f);N_GUARD::B(J)
      • R(f);N_GUARD::B(J),XR(f)
      • B(a);OGATE::R(A)+P(F),XB(a)
      • S(g);N_GUARD::S(E)
      • S(g);N_GUARD::S(E),XS(g)
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