MESON Chess Problem Database

Problem Display
PID: 142433 (3RB3/2pN2Bp/4p3/2rk3K/Q1b2pP1/5n2/3r1n2/3N4 w - - 0 1)

Sumner, Christopher Richard Benson

Bristol Times and Mirror, 1927

(First published on Sat Jan 1 1927)

3RB3/2pN2Bp/4p3/2rk3K/Q1b2pP1/5n2/3r1n2/3N4

#2

8 + 10

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4+
      • 2.Sxc5#
    • 1...Bf1
      • 2.Se5#
      • 2.Sb6#
      • 2.Sb8#
      • 2.Sf8#
    • 1...Ba2
      • 2.Se5#
      • 2.Sb6#
      • 2.Sb8#
      • 2.Sf8#
    • 1...Be2
      • 2.Se5#
      • 2.Sb6#
      • 2.Sb8#
      • 2.Sf8#
    • 1...Bb3
      • 2.Se5#
      • 2.Sb6#
      • 2.Sb8#
      • 2.Sf8#
    • 1...Bd3
      • 2.Se5#
      • 2.Sb6#
      • 2.Sb8#
      • 2.Sf8#
    • 1...Bb5
      • 2.Sb6#
    • 1...Ba6
      • 2.Se5#
      • 2.Sb6#
      • 2.Sb8#
      • 2.Sf8#
    • 1...Se4
      • 2.Sb6#
    • 1...Se5
      • 2.Sf6#
  • Keys
    • 1.Qb4!
      • threat
        • 2.Sxc5#
      • 1...Ke4+
        • 2.Sxc5#
      • 1...Kc6+
        • 2.Se5#
      • 1...Kd6+
        • 2.Qxc5#
      • 1...Se5
        • 2.Sf6#
      • 1...Ra5
        • 2.Sc5#
      • 1...Rb5
        • 2.Sc5#
      • 1...Rc6
        • 2.Sc3#
      • 1...Bb5
        • 2.Sb6#
      • 1...Se4
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(g);CHECK,P_SPINB(d),S_FLIGHT::S(E),XR(f)
    • B(d);::R(G)+S(E),DCHECK
    • S(b);SBLOCK::R(G)+S(E),DCHECK
    • S(c);SBLOCK::R(G)+S(E),DCHECK
  • Actual
    • Q(B);
    • Threat
      • R(G)+S(E),XR(f)
    • Vars
      • K(g);CHECK,P_SPINB(d),S_FLIGHT::S(E),XR(f)
      • K(g);CHECK,S_FLIGHT::B(H)+S(E),DCHECK
      • K(g);CHECK,P-FLIGHT,P_SPINR(f)::QAB1(B),XR(f)
      • S(c);SBLOCK::R(G)+S(E),DCHECK
      • R(f);::R(G)+S(E)
      • R(f);SBLOCK::S(A)
      • B(d);::R(G)+S(E),DCHECK
      • S(b);SBLOCK::R(G)+S(E),DCHECK
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