MESON Chess Problem Database

Problem Display
PID: 250687 (3Nb3/5n2/3pR3/K7/R1pk3B/5Q2/7r/6b1 w - - 0 1)

Baird, Frederick

Manchester Evening News, 1935

(First published on Tue Mar 12 1935)

3Nb3/5n2/3pR3/K7/R1pk3B/5Q2/7r/6b1

#2

6 + 7

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bf6+?
      • 1...Kc5
        • 2.Sb7#
      • 1...Se5!
    • 1.Re4+?
      • 1...Kc5
        • 2.Rexc4#
      • 1...Kd5!
    • 1.Rxd6+?
      • 1...Kc5
        • 2.Sb7#
        • 2.Rd5#
        • 2.Qd5#
        • 2.Qa3#
      • 1...Ke5
        • 2.Bg3#
        • 2.Rd5#
      • 1...Sxd6!
    • 1.Qe4+?
      • 1...Kc5
        • 2.Sb7#
        • 2.Rxc4#
        • 2.Qxc4#
      • 1...Kc3!
    • 1.Qc3+?
      • 1...Kc5
        • 2.Qxc4#
      • 1...Kd5
        • 2.Qxc4#
      • 1...Kxc3!
    • 1.Qd3+?
      • 1...Kc5
        • 2.Rxc4#
        • 2.Qxc4#
      • 1...Kxd3!
  • Keys
    • 1.Re5!
      • threat
        • 2.Rd5#
      • 1...Kxe5
        • 2.Bf6#
      • 1...Sxe5
        • 2.Se6#
      • 1...dxe5
        • 2.Se6#
      • 1...Be3
        • 2.Qxe3#
      • 1...d5
        • 2.Rxd5#
      • 1...Bc6
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(d);N_SPINP(c),S_CUTS(f),S_FLIGHT::S(F)
      • Refutation
        • S(f);P_SPINS(f)
    • Try
      • R(E);CHECK
      • Vars
        • K(d);N_SPINP(c),OGATE,S_FLIGHT::R1(E),XP(c)
      • Refutation
        • K(d);N_SPINP(c),P-FLIGHT
    • Try
      • R(E);CHECK,XP(e)
      • Refutation
        • S(f);XR(E)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(d);N_SPINP(c),S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(d);S_FLIGHT::QAR1(A),XP(c)
        • K(d);N_SPINP(c),P-FLIGHT::QAB1(A),XP(c)
      • Refutation
        • K(d);N_SPINP(c),S_FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(d);N_SPINP(c),P-FLIGHT,XQ(A)
  • Actual
    • R(E);
    • Threat
      • R1(E)
    • Vars
      • K(d);N_SPINP(c),OGATEB,S_FLIGHT,XR(E)::B(C)
      • S(f);SBLOCK,XR(E)::S(F)
      • P(e);SBLOCK,XR(E)::S(F)
      • B(a);N_GUARD::QAB1(A),XB(a)
      • P(e);::R1(E),XP(e)
      • B(g);N_GUARD::S(F),XB(g)
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