MESON Chess Problem Database

Problem Display
PID: 273359 (1qb4n/2ppN3/r7/1r5k/8/5P2/8/2B1Q2K w - - 0 1)

Andrade, Barry Jack da Costa

British Chess Magazine, 1934

1qb4n/2ppN3/r7/1r5k/8/5P2/8/2B1Q2K

#2

5 + 8

SOLUTION

  • SOUND
  • Tries
    • 1.Qe5+?
      • 1...Kh4
        • 2.Qh2#
      • 1...Rxe5!
  • Keys
    • 1.Qd2!
      • threat
        • 2.Qh2#
      • 1...Kh4
        • 2.Qh2#
      • 1...Rb2
        • 2.Qg5#
      • 1...Rb4
        • 2.Qg5#
      • 1...Ra2
        • 2.Qh6#
      • 1...Ra4
        • 2.Qh6#
      • 1...Sg6
        • 2.Qh6#
      • 1...c5
        • 2.Qg5#
      • 1...c6
        • 2.Qh6#
      • 1...d5
        • 2.Qg5#
      • 1...d6
        • 2.Qh6#

This is after

After E. Brunner.

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR2(B)
      • Refutation
        • R(a);XQ(B)
  • Actual
    • Q(B);
    • Threat
      • QAR(B)
    • Vars
      • K(b);P-FLIGHT::QAR2(B)
      • R(a);N_GUARD::QAR1(B)
      • R(c);N_GUARD::QAR1(B)
      • S(h);S_CUTR(c)::QAR1(B)
      • P(d);S_CUTR(a)::QAR1(B)
      • P(d);S_CUTR(c)::QAR1(B)
      • P(e);S_CUTR(a)::QAR1(B)
      • P(e);S_CUTR(c)::QAR1(B)
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