MESON Chess Problem Database

Problem Display
PID: 42654 (5RQn/1B5N/6N1/5P1p/KR1Bn1kp/7b/5Pp1/8 w - - 0 1)

Mansfield, Comins

1st Comm., Skakbladet, 1969

5RQn/1B5N/6N1/5P1p/KR1Bn1kp/7b/5Pp1/8

#2

10 + 7

4054 Complete Mansfield/III 1999

SOLUTION

  • SOUND
  • Sets
    • 1...Sxf2
      • 2.Bxf2#
    • 1...Sc3+
      • 2.Bxc3#
    • 1...Sg3
      • 2.f3#
    • 1...Sc5+
      • 2.Bxc5#
  • Keys
    • 1.Qe6!
      • threat
        • 2.Qxe4#
      • 1...Sc3+
        • 2.Bxc3#
      • 1...Sc5+
        • 2.Bxc5#
      • 1...Kf3
        • 2.Qxe4#
      • 1...Sxf2
        • 2.Bxf2#
      • 1...Sxg6
        • 2.fxg6#
      • 1...Sd2
        • 2.f6#
      • 1...Sg3
        • 2.f3#
      • 1...Sg5
        • 2.Sf6#
      • 1...Sd6
        • 2.Qe2#
      • 1...Sf6
        • 2.Bxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(c);OGATE,XP(A)::R(C)+B(D),XS(c)
    • S(c);CHECK,OGATEB::R(C)+B(D),XS(c)
    • S(c);SBLOCK::P(A)
  • Actual
    • Q(J);
    • Threat
      • QAR2(J),XS(c)
    • Vars
      • S(c);CHECK,OGATEB::R(C)+B(D),XS(c)
      • K(d);P_SPINS(c),S_FLIGHT::QAB1(J),XS(c)
      • S(c);OGATE,XP(A)::R(C)+B(D),XS(c)
      • S(g);OGATE,XS(F)::QAB(J)+P(E),XS(g)
      • S(c);::QAB(J)+P(E)
      • S(c);SBLOCK::P(A)
      • S(c);N_GUARD,SBLOCK::S(H)
      • S(c);OGATE::QAB(J)
      • S(c);OGATEB::R(C)+B(D),XS(c)
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