MESON Chess Problem Database

Problem Display
PID: 124404 (8/7p/2p4B/2Pp4/6pK/3BPkPp/2Q3p1/4rrR1 w - - 0 1)

Sim, Malcolm

Vancouver Province, 1956

8/7p/2p4B/2Pp4/6pK/3BPkPp/2Q3p1/4rrR1

#2

8 + 9

6490 yacpdb 2009
15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qe2#
    • 1...Rb1
      • 2.Qe2#
    • 1...Rc1
      • 2.Qe2#
    • 1...Rd1
      • 2.Qe2#
    • 1...Re2
      • 2.Qxe2#
    • 1...h2
      • 2.Qxg2#
    • 1...d4
      • 2.Be4#
  • Tries
    • 1.Be2+?
      • 1...Rxe2
        • 2.Qf5#
      • 1...Kf2!
  • Keys
    • 1.Ba6!
      • threat
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 7
  • Sets
    • R(a);N_GUARD::QAB1(B)
    • R(a);N_GUARD::QAB1(B),XR(a)
    • P(e);N_GUARD::QAB1(B),XP(c)
    • P(g);N_GUARD::B(C)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • R(a);SBLOCK,XB(C)::QAR2(B)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • B(C);
    • Threat
      • QAR2(B)
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Developed and maintained by Brian Stephenson.
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