MESON Chess Problem Database

Problem Display
PID: 18436 (3R4/5N1b/3pp2B/3p4/qP1kP3/1P3pK1/2Q5/8 w - - 0 1)

Mansfield, Comins

Time & Tide, 1955

3R4/5N1b/3pp2B/3p4/qP1kP3/1P3pK1/2Q5/8

#2

8 + 7

3550 Complete Mansfield/II 1997

SOLUTION

  • SOUND
  • Sets
    • 1...dxe4
      • 2.Rxd6#
      • 2.Qd2#
      • 2.Qc4#
  • Tries
    • 1.Kf2?
      • threat
        • 2.Be3#
      • 1...dxe4
        • 2.Rxd6#
        • 2.Qd2#
        • 2.Qc4#
      • 1...Qxb3!
    • 1.Qc3+?
      • 1...Kxe4
        • 2.Sxd6#
      • 1...Kxc3!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sxf3#
      • 1...Kxe5
        • 2.Bg7#
      • 1...Qxb3
        • 2.Sc6#
      • 1...Bxe4
        • 2.Qb2#
      • 1...dxe4
        • 2.Qc5#
      • 1...dxe5
        • 2.Qc4#
      • 1...f2
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Threat
        • B(F)
      • Refutation
        • Q(b);XP(B)
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);P-FLIGHT,XP(E)::S(G),XP(e)
      • Refutation
        • K(c);S_FLIGHT,XQ(A)
  • Actual
    • S(G);
    • Threat
      • S(G),XP(a)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(G)::B(F)
      • Q(b);N_GUARD,XP(B)::S(G)
      • B(g);SBLOCK,XP(E)::QAB(A)
      • P(d);P_SPINP(e),SBLOCK,XP(E)::QAB1(A)
      • P(e);P_SPINP(d),SBLOCK,XS(G)::QAR1(A)
      • P(a);::S(G)
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