MESON Chess Problem Database

Problem Display
PID: 56082 (n3R3/N2N4/1p2Pp1r/2pk3p/8/p4KQ1/P2P1B2/5B2 w - - 0 1)

Mansfield, Comins

Probleemblad, 1981

n3R3/N2N4/1p2Pp1r/2pk3p/8/p4KQ1/P2P1B2/5B2

#2

10 + 8

4054 Complete Mansfield/III 1999

SOLUTION

  • SOUND
  • Sets
    • 1...Rh7
      • 2.Sxf6#
    • 1...Rh8
      • 2.Sxf6#
    • 1...Sc7
      • 2.Sxb6#
    • 1...f5
      • 2.Qe5#
  • Tries
    • 1.Kf4?
      • threat
        • 2.Qd3#
      • 1...Kd6
        • 2.Ke4#
      • 1...c4!
    • 1.Qf4?
      • threat
        • 2.Bc4#
      • 1...c4
        • 2.Bxc4#
        • 2.Qd4#
      • 1...b5!
  • Keys
    • 1.Ke2!
      • threat
        • 2.Qd3#
      • 1...Kc4
        • 2.Qb3#
      • 1...Ke4
        • 2.Qf3#
      • 1...c4
        • 2.Bg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • R(g);N_GUARD::S(I),XP(f)
    • S(h);N_GUARD::S(I),XP(e)
    • P(f);N_GUARD::QAR1(F)
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Threat
        • QAR2(F)
      • Vars
        • K(c);P-FLIGHT::QAB(F)+K(E)
      • Refutation
        • P(b);
    • Try
      • Q(F);
      • Threat
        • B(A)
      • Refutation
        • P(e);
  • Actual
    • K(E);S_FLIGHT
    • Threat
      • QAR2(F)
    • Vars
      • K(c);S_FLIGHT::QAB1(F)
      • P(b);SBLOCK::B(A)
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