MESON Chess Problem Database

Problem Display
PID: 264418 (B7/3Q4/5P2/K2Nq1P1/1Pp1kN1P/6P1/P5P1/6B1 w - - 0 1)

Warton, Thomas Joseph

Sunday Referee, 1935

(First published on Sun Oct 6 1935)

B7/3Q4/5P2/K2Nq1P1/1Pp1kN1P/6P1/P5P1/6B1

#2

13 + 3

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd5+
      • 2.Qxd5#
    • 1...Qe6
      • 2.Qxe6#
  • Keys
    • 1.Qb5!
      • 1...Qc7+
        • 2.Sxc7#
      • 1...Kf5
        • 2.Se3#
      • 1...Qxf4
        • 2.Sxf4#
      • 1...Qxf6
        • 2.Sc3#
        • 2.Sxf6#
      • 1...Qxd5
        • 2.Qxd5#
      • 1...Qxg5
        • 2.Sc3#
      • 1...Qa1
        • 2.Sc3#
        • 2.Sb6#
        • 2.Sc7#
        • 2.Se7#
      • 1...Qb2
        • 2.Sc3#
        • 2.Sb6#
        • 2.Sc7#
        • 2.Se7#
      • 1...Qc3
        • 2.Sxc3#
        • 2.Sb6#
        • 2.Sc7#
        • 2.Se7#
      • 1...Qd4
        • 2.Sc3#
      • 1...Qd6
        • 2.Sc3#
      • 1...Qb8
        • 2.Sc3#
      • 1...Qe6
        • 2.Sc3#
      • 1...Qe7
        • 2.Sc3#
        • 2.Sc7#
        • 2.Sxe7#
      • 1...Qe8
        • 2.Sc3#
      • 1...Qf5
        • 2.Sc3#
      • 1...c3
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • Q(c);CHECK,OGATE,P_SPINQ(c),XS(I)::QAB1(L),XQ(c)
    • Q(c);N_PINS(I),OGATEB::QAR2(L),XQ(c)
  • Actual
    • Q(L);N_SPINS(I)
    • Vars
      • Q(c);CHECK,N_GUARD::B(M)+S(I),XQ(c)
      • K(b);N_GUARD,S_CUTQ(c),S_FLIGHT::S(I)
      • Q(c);XS(F)::B(M)+S(I),XQ(c)
      • Q(c);OGATE,P_PINQ(L),P_SPINQ(c),XS(I)::QAB1(L),XQ(c)
      • Q(c);XP(J)::B(M)+S(I),DCHECK
      • Q(c);::B(M)+S(I),DCHECK
      • P(a);OGATE::QAB1(L)
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