MESON Chess Problem Database

Problem Display
PID: 5987 (2B3b1/2NR2p1/q1pp1pPb/R1n1nk1K/3P1N2/4P3/4p3/7Q w - - 0 1)

Mansfield, Comins

4th Prize, Chemnitzer Tageblatt, 1926

2B3b1/2NR2p1/q1pp1pPb/R1n1nk1K/3P1N2/4P3/4p3/7Q

#2

10 + 11

3202 Complete Mansfield/I 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Se4
      • 2.Qh3#
    • 1...Sb7
      • 2.Rf7#
    • 1...Sc4
      • 2.Qb1#
  • Tries
    • 1.Rf7+?
      • 1...Se6
        • 2.Bxe6#
      • 1...Scd7
        • 2.Bxd7#
      • 1...Sed7
        • 2.Bxd7#
      • 1...Qxc8!
  • Keys
    • 1.Se8!
      • threat
        • 2.Sxd6#
      • 1...Bxf4
        • 2.Sxg7#
      • 1...Se4
        • 2.Qh3#
      • 1...Sb7
        • 2.Rf7#
      • 1...Sc4
        • 2.Qb1#
      • 1...Sf7
        • 2.Rb7#
      • 1...d5
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(b);P_SPINS(c),SBLOCK::QAB(A)
    • S(b);N_GUARD,P_SPINS(c),S_CUTQ(e)::B(J)+R(I)
    • S(c);N_GUARD,P_SPINS(b),S_CUTQ(e)::QAB(A)
  • Tries
    • Try
      • R(I);CHECK,P_PINP(h)
      • Vars
        • S(b);N_GUARD,P_SPINS(c)::B(J),XS(b)
        • S(c);N_GUARD,P_SPINS(b)::B(J),XS(c)
      • Refutation
        • Q(e);XB(J)
  • Actual
    • S(H);
    • Threat
      • S(H),XP(g)
    • Vars
      • B(i);N_GUARD,XS(D)::S(H),XP(j)
      • S(b);P_SPINS(c),SBLOCK::QAB(A)
      • S(b);N_GUARD,P_SPINS(c),S_CUTQ(e)::B(J)+R(I)
      • S(c);N_GUARD,P_SPINS(b),S_CUTQ(e)::QAB(A)
      • S(c);N_GUARD,P_SPINS(b),S_CUTB(k)::B(J)+R(I)
      • P(g);::S(H)
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