MESON Chess Problem Database

Problem Display
PID: 103211 (5R2/Bb3N2/8/2q3pp/2rb4/6PB/1np1Pk1K/2Q3N1 w - - 0 1)

Maybee, Edward E

Toronto Telegram, 1947

5R2/Bb3N2/8/2q3pp/2rb4/6PB/1np1Pk1K/2Q3N1

#2

9 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Be3
      • 2.Qf1#
  • Tries
    • 1.Se5+?
      • 1...Bf3
        • 2.Rxf3#
      • 1...Qxf8!
  • Keys
    • 1.e4!
      • threat
        • 2.Qd2#
      • 1...Qb4
        • 2.Sd6#
      • 1...Qa5
        • 2.Se5#
      • 1...Bc3
        • 2.Se5#
      • 1...Be3
        • 2.Qf1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(e);SBLOCK::QAR1(A)
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • B(i);N_GUARD,P_SPINB(i)::R1(I),XB(i)
      • Refutation
        • Q(f);P_SPINB(e),XR(I)
  • Actual
    • P(C);
    • Threat
      • QAR2(A)
    • Vars
      • Q(f);N_GUARD,P_SPINB(e)::R(I)+S(H)
      • B(e);P_SPINQ(f)::R(I)+S(H)
      • B(e);SBLOCK::QAR1(A)
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