MESON Chess Problem Database

Problem Display
PID: 267974 (5K2/3b1N2/3Qp1p1/R1n3pk/r5pp/b1r5/3pN2n/7R w - - 0 1)

Caine, Walter Edmund

The Referee, 1928

(First published on Sun Sep 9 1928)

5K2/3b1N2/3Qp1p1/R1n3pk/r5pp/b1r5/3pN2n/7R

#2

6 + 13

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Sf3
      • 2.Sg3#
    • 1...Sb3
      • 2.Rxg5#
    • 1...Sd3
      • 2.Rxg5#
    • 1...Se4
      • 2.Sf4#
    • 1...Sa6
      • 2.Rxg5#
    • 1...Sb7
      • 2.Rxg5#
  • Keys
    • 1.Qe7!
      • threat
        • 2.Qxg5#
      • 1...Sf3
        • 2.Sg3#
      • 1...Sb3
        • 2.Rxg5#
      • 1...Sd3
        • 2.Rxg5#
      • 1...Se4
        • 2.Sf4#
      • 1...Sa6
        • 2.Rxg5#
      • 1...Sb7
        • 2.Rxg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(b);P_SPINP(g),S_CUTR(d)::S(B)
    • S(h);OGATE,P_PINQ(D),P_SPINP(i)::R1(C),XP(i)
    • S(h);P_PINQ(D),P_SPINP(i),S_CUTR(e)::S(B)
  • Actual
    • Q(D);
    • Threat
      • QAR1(D),XP(i)
    • Vars
      • S(b);P_SPINP(g),S_CUTR(d)::S(B)
      • S(h);OGATE,P_PINQ(D),P_SPINP(i)::R1(C),XP(i)
      • S(h);P_PINQ(D),P_SPINP(i),S_CUTR(e)::S(B)
      • S(h);OGATE,P_PINQ(D),P_SPINP(i),SBLOCK::R1(C),XP(i)
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