MESON Chess Problem Database

Problem Display
PID: 272641 (5N2/1b6/2q1r3/4Pr1p/4nk1K/Q2P2N1/1B2RpP1/2b2B2 w - - 0 1)

Swords, WJ

Sunday Referee, 1934

(First published on Sun Oct 28 1934)

5N2/1b6/2q1r3/4Pr1p/4nk1K/Q2P2N1/1B2RpP1/2b2B2

#2

10 + 9

15239 Valois Notebooks 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Qa4
      • 2.Sxe6#
    • 1...Qb5
      • 2.Sxe6#
    • 1...Qc2
      • 2.Sxe6#
    • 1...Qc5
      • 2.Sxe6#
    • 1...Qc7
      • 2.Sxe6#
    • 1...Sc3
      • 2.Bxc1#
    • 1...Sc5
      • 2.Bxc1#
    • 1...Sg5
      • 2.Sxh5#
    • 1...Sd6
      • 2.Sxe6#
    • 1...Sf6
      • 2.Sg6#
  • Keys
    • 1.d4!
      • threat
        • 2.Qf3#
      • 1...Sxg3
        • 2.Qxg3#
      • 1...Qc3
        • 2.Sxe6#
      • 1...Be3
        • 2.Qxe3#
      • 1...Sd2
        • 2.Qe3#
      • 1...Sc3
        • 2.Bxc1#
      • 1...Sc5
        • 2.Bxc1#
      • 1...Sg5
        • 2.Sxh5#
      • 1...Sd6
        • 2.Sxe6#
      • 1...Sf6
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • Q(g);N_GUARD::S(J),XR(h)
    • S(c);N_GUARD,S_CUTQ(g)::B(B),XB(a)
    • S(c);S_CUTR(e)::S(G),XP(f)
    • S(c);S_CUTQ(g)::S(J),XR(h)
    • S(c);S_CUTR(h)::S(J)
  • Actual
    • P(F);
    • Threat
      • QAR1(E)
    • Vars
      • S(c);OGATE,XS(G)::QAB1(E),XS(c)
      • Q(g);N_GUARD::S(J),XR(h)
      • B(a);N_GUARD::QAB1(E),XB(a)
      • S(c);S_CUTB(a)::QAB1(E)
      • S(c);N_GUARD,S_CUTQ(g)::B(B),XB(a)
      • S(c);S_CUTR(e)::S(G),XP(f)
      • S(c);S_CUTQ(g)::S(J),XR(h)
      • S(c);S_CUTR(h)::S(J)
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