MESON Chess Problem Database

Problem Display
PID: 253342 (8/4p3/2K1PpQp/2R5/1P1k3r/1R6/2nr4/1b6 w - - 0 1)

Browne, Gordon

The Field, 1912

(First published on Sat Oct 12 1912)

8/4p3/2K1PpQp/2R5/1P1k3r/1R6/2nr4/1b6

#2

6 + 8

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Re2
      • 2.Rd3#
      • 2.Qd3#
    • 1...Rf2
      • 2.Rd3#
      • 2.Qd3#
    • 1...Rg2
      • 2.Rd3#
      • 2.Qd3#
    • 1...Rdh2
      • 2.Rd3#
      • 2.Qd3#
    • 1...Rd3
      • 2.Rxd3#
      • 2.Qxd3#
    • 1...Rh1
      • 2.Qg4#
    • 1...Rhh2
      • 2.Qg4#
    • 1...Rh3
      • 2.Qg4#
    • 1...Rg4
      • 2.Qxg4#
    • 1...Rh5
      • 2.Qg4#
  • Tries
    • 1.Qxf6+?
      • 1...Ke4
        • 2.Qxh4#
        • 2.Qe5#
      • 1...exf6!
  • Keys
    • 1.Qg3!
      • threat
        • 2.Qxh4#
      • 1...Sxb4+
        • 2.Rxb4#
      • 1...Ke4
        • 2.Qxh4#
      • 1...Re2
        • 2.Qd3#
      • 1...Rf2
        • 2.Qd3#
      • 1...Rg2
        • 2.Qd3#
      • 1...Rdh2
        • 2.Qd3#
      • 1...Rd3
        • 2.Qxd3#
      • 1...Rh1
        • 2.Qf4#
        • 2.Qg4#
      • 1...Rhh2
        • 2.Qf4#
        • 2.Qg4#
      • 1...Rh3
        • 2.Qf4#
        • 2.Qg4#
      • 1...Re4
        • 2.Qc3#
      • 1...Rf4
        • 2.Qxf4#
      • 1...Rg4
        • 2.Qxg4#
      • 1...Rh5
        • 2.Qf4#
        • 2.Qg4#
      • 1...Sa1
        • 2.Qe3#
      • 1...Se1
        • 2.Qe3#
      • 1...Sa3
        • 2.Qe3#
      • 1...Se3
        • 2.Qxe3#
      • 1...f5
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 14
    • REMOVED MATES = 4
  • Sets
    • R(e);N_GUARD::QAR(F)
    • R(e);N_GUARD::QAR(F),XR(e)
  • Tries
    • Try
      • Q(F);CHECK,XP(f)
      • Refutation
        • P(h);XQ(F)
  • Actual
    • Q(F);
    • Threat
      • QAR(F),XR(e)
    • Vars
      • S(b);CHECK,OGATE,XP(B)::R(A),XS(b)
      • K(d);P-FLIGHT::QAR(F),XR(e)
      • R(c);N_GUARD::QAR1(F)
      • R(c);N_GUARD::QAR1(F),XR(c)
      • R(e);SBLOCK::QAB1(F)
      • R(e);N_GUARD::QAR2(F),XR(e)
      • R(e);N_GUARD::QAR(F),XR(e)
      • S(b);N_GUARD::QAB1(F)
      • S(b);N_GUARD::QAB1(F),XS(b)
      • P(f);N_GUARD::QAB1(F)
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