MESON Chess Problem Database

Problem Display
PID: 103703 (8/8/nB4K1/1p3N1Q/2R1P3/3k4/3P4/8 w - - 0 1)

Rowland, Thomas B

Bristol Mercury, 1881

8/8/nB4K1/1p3N1Q/2R1P3/3k4/3P4/8

#2

7 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qf3+?
      • 1...Kxc4
        • 2.Qc3#
      • 1...Kxd2!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Qe2#
      • 1...Kxd2
        • 2.Qe2#
      • 1...Kxc4
        • 2.Qxb5#
      • 1...Kxe4
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT,XR(B)::QAR1(E)
      • Refutation
        • K(a);P-FLIGHT,XP(A)
  • Actual
    • S(D);
    • Threat
      • QAB1(E)
    • Vars
      • K(a);P-FLIGHT,XP(A)::QAR1(E)
      • K(a);OGATEB,S_FLIGHT,XR(B)::QAB1(E),XP(b)
      • K(a);OGATEB,S_FLIGHT,XP(C)::QAB1(E)
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