MESON Chess Problem Database

Problem Display
PID: 2368 (4r3/1p6/8/1K2np2/Q1N1RPp1/1B1kr3/1PR5/5bB1 w - - 0 1)

Gleave, Walter

Source?, 0000

4r3/1p6/8/1K2np2/Q1N1RPp1/1B1kr3/1PR5/5bB1

#2

9 + 8

187 The Chess Bouquet 1897
657 The Times 1903
15351 SCPF/BCPS Black Books 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Rd4#
    • 1...Re2
      • 2.Rd4#
    • 1...Rf3
      • 2.Rd4#
    • 1...Rg3
      • 2.Rd4#
    • 1...Rh3
      • 2.Rd4#
    • 1...Rxe4
      • 2.Rd2#
    • 1...Ra8
      • 2.Sxe5#
    • 1...Rb8
      • 2.Sxe5#
    • 1...Rc8
      • 2.Sxe5#
    • 1...Rd8
      • 2.Sxe5#
    • 1...Rf8
      • 2.Sxe5#
    • 1...Rg8
      • 2.Sxe5#
    • 1...Rh8
      • 2.Sxe5#
    • 1...Sxc4
      • 2.Qxc4#
    • 1...fxe4
      • 2.Rd2#
  • Tries
    • 1.Rc3+?
      • 1...Ke2
        • 2.Rcxe3#
        • 2.Rexe3#
      • 1...Kxe4!
  • Keys
    • 1.Re2!
      • threat
        • 2.R2xe3#
      • 1...Kxe2
        • 2.Rxe3#
      • 1...Kxe4
        • 2.Sxe5#
      • 1...Rxe2
        • 2.Rd4#
      • 1...Rxe4
        • 2.Rd2#
      • 1...Bxe2
        • 2.Bc2#
      • 1...Sxc4
        • 2.Qxc4#
      • 1...fxe4
        • 2.Rd2#
      • 1...Rf3
        • 2.Bc2#
      • 1...Rg3
        • 2.Bc2#
      • 1...Rh3
        • 2.Bc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 3
    • REMOVED MATES = 8
  • Sets
    • R(c);::R1(G)
    • R(c);SBLOCK,XR(G)::R1(C)
    • R(h);N_GUARD::S(F),XS(e)
    • S(e);OGATE,XS(F)::QAB1(E),XS(e)
    • P(f);SBLOCK,XR(G)::R1(C)
  • Tries
    • Try
      • R(C);CHECK
      • Refutation
        • K(b);P_PINS(F),S_FLIGHT,XR(G)
  • Actual
    • R(C);
    • Threat
      • R1(C),XR(c)
    • Vars
      • K(b);P_SPINR(c),S_FLIGHT,XR(C)::R1(G),XR(c)
      • K(b);P_SPINR(c),S_FLIGHT,XR(G)::QAR(E)+S(F),XS(e)
      • R(c);SBLOCK,XR(C)::R1(G)
      • R(c);SBLOCK,XR(G)::R1(C)
      • B(a);SBLOCK,XR(C)::B(D)
      • S(e);OGATE,XS(F)::QAB1(E),XS(e)
      • P(f);SBLOCK,XR(G)::R1(C)
      • R(c);::B(D)
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