MESON Chess Problem Database

Problem Display
PID: 184299 (6BK/6BQ/8/5R2/3N4/n2k1P2/1P1n4/1b1R2b1 w - - 0 1)

Mansfield, Comins

British Chess Magazine, 1916

6BK/6BQ/8/5R2/3N4/n2k1P2/1P1n4/1b1R2b1

#2

9 + 5

3202 Complete Mansfield/I 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Be3
      • 2.Rf4#
      • 2.Ra5#
      • 2.Rb5#
      • 2.Rc5#
      • 2.Rg5#
      • 2.Rh5#
      • 2.Rf8#
    • 1...Bxd4
      • 2.Re5#
  • Tries
    • 1.Rxd2+?
      • 1...Ke3
        • 2.Bh6#
        • 2.Qh6#
      • 1...Kxd2!
    • 1.Rd5+?
      • 1...Kc4
        • 2.Rb5#
      • 1...Ke3!
  • Keys
    • 1.Bh6!
      • threat
        • 2.Rxd2#
      • 1...Bxd4+
        • 2.Re5#
      • 1...Kxd4
        • 2.Qd7#
      • 1...Be3
        • 2.Rf4#
      • 1...Sc4
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(b);P_PINB(F),SBLOCK,XS(D)::QAB(G)+R(E)
  • Tries
    • Try
      • R(A);CHECK,XS(c)
      • Refutation
        • K(e);P-FLIGHT,XR(A)
    • Try
      • R(E);CHECK
      • Vars
        • K(e);N_SPINS(c),S_FLIGHT::B(H)+R(E)
      • Refutation
        • K(e);N_SPINS(c),P-FLIGHT
  • Actual
    • B(F);
    • Threat
      • R1(A),XS(c)
    • Vars
      • B(b);CHECK,SBLOCK,XS(D)::QAB(G)+R(E)
      • K(e);OGATEB,P-FLIGHT,XS(D)::QAR(G)
      • B(b);SBLOCK::QAB(G)+R(E)
      • S(d);SBLOCK::QAB(G)+R(E)
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