MESON Chess Problem Database

Problem Display
PID: 184323 (1q6/2r4R/3p2R1/1p1kN3/NprPp3/B2BP1K1/Q7/1n6 w - - 0 1)

Munden, Philippe

Bulletin Ouvrier des Echecs, 1955

1q6/2r4R/3p2R1/1p1kN3/NprPp3/B2BP1K1/Q7/1n6

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qb6
      • 2.Sxb6#
    • 1...Qa8
      • 2.Sb6#
    • 1...Qc8
      • 2.Sb6#
    • 1...Qd8
      • 2.Sb6#
    • 1...Qe8
      • 2.Sb6#
    • 1...Qf8
      • 2.Sb6#
    • 1...Qg8
      • 2.Sb6#
    • 1...Qh8
      • 2.Sb6#
    • 1...b3
      • 2.Rxd6#
    • 1...exd3
      • 2.Qg2#
  • Tries
    • 1.Sc3+?
      • 1...bxc3
        • 2.Rxd6#
      • 1...Sxc3!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Sxb4#
      • 1...Kxc6
        • 2.Bxe4#
      • 1...Rxc6
        • 2.Rh5#
      • 1...bxa3
        • 2.Sb4#
      • 1...exd3
        • 2.Qg2#
      • 1...bxa4
        • 2.Qxc4#
      • 1...b3
        • 2.Rxd6#

This is a version of 184140

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 8
  • Sets
    • Q(i);N_GUARD::S(F),XQ(i)
    • Q(i);N_GUARD::S(F)
    • Q(i);N_GUARD,P_PINR(I)::S(F)
    • P(b);N_SPINR(c)::R1(I),XP(g)
    • P(d);OGATEB,XB(C)::QAB(A)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • P(b);XS(F)::R1(I),XP(g)
      • Refutation
        • S(a);XS(F)
  • Actual
    • S(H);
    • Threat
      • S(H),XP(b)
    • Vars
      • K(f);N_SPINR(c),P_SPINP(g),S_FLIGHT,XS(H)::B(C),XP(d)
      • R(h);SBLOCK,XS(H)::R(J)
      • P(b);XB(B)::S(H)
      • P(d);OGATEB,XB(C)::QAB(A)
      • P(e);N_GUARD,XS(F)::QAB1(A),XR(c)
      • P(b);N_SPINR(c)::R1(I),XP(g)
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Developed and maintained by Brian Stephenson.
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