MESON Chess Problem Database

Problem Display
PID: 6275 (2k3NR/B4RK1/P3pQ1P/8/1rrb4/8/8/8 w - - 0 1)

Mansfield, Comins

Grantham Journal, 1928

2k3NR/B4RK1/P3pQ1P/8/1rrb4/8/8/8

#2

8 + 5

3202 Complete Mansfield/I 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Rb7
      • 2.axb7#
    • 1...Bxf6+
      • 2.Sxf6#
  • Tries
    • 1.Qxd4?
      • threat
        • 2.Sf6#
        • 2.Qd7#
      • 1...Rb7
        • 2.Sf6#
        • 2.axb7#
      • 1...Rc7
        • 2.Sf6#
        • 2.Se7#
      • 1...Rxd4!
  • Keys
    • 1.Qe5!
      • threat
        • 2.Sf6#
      • 1...Kd8
        • 2.Sf6#
      • 1...Bc5
        • 2.Qc7#
      • 1...Bb6
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(a);OGATE,P_PINR(E)::P(A),XR(a)
    • B(c);CHECK,XQ(B)::R(H)+S(G),XB(c)
  • Tries
    • Try
      • Q(B);N_SPINQ(B),XB(c)
      • Threat
        • DUALS(2)
      • Refutation
        • R(b);XQ(B)
  • Actual
    • Q(B);
    • Threat
      • R(H)+S(G)
    • Vars
      • K(e);P-FLIGHT::R(H)+S(G)
      • B(c);N_PINQ(B)::QAR1(B)
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