MESON Chess Problem Database

Problem Display
PID: 74908 (1Q6/r1pN3n/n1P1B1p1/3pp3/R1r1k1p1/4P1P1/NpPbK2p/8 w - - 0 1)

Golha, Jan

Szachy, 1979

1Q6/r1pN3n/n1P1B1p1/3pp3/R1r1k1p1/4P1P1/NpPbK2p/8

#2

10 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Bc1
      • 2.Sc3#
    • 1...Bc3
      • 2.Sxc3#
    • 1...Sc5
      • 2.Sxc5#
    • 1...Sxb8
      • 2.Sc5#
    • 1...Sg5
      • 2.Sf6#
    • 1...Sf6
      • 2.Sxf6#
    • 1...Sf8
      • 2.Sf6#
  • Tries
    • 1.Qxc7?
      • threat
        • 2.Qxe5#
      • 1...Sxc7
        • 2.Sc5#
      • 1...Bc3
        • 2.Sxc3#
      • 1...Rxc7!
    • 1.Qb3?
      • threat
        • 2.Qd3#
      • 1...Bc3
        • 2.Sxc3#
      • 1...Sc5
        • 2.Sxc5#
      • 1...Sb4!
    • 1.Qb5?
      • threat
        • 2.Qxd5#
      • 1...d4
        • 2.Qd5#
        • 2.Qxe5#
      • 1...Sc5
        • 2.Sxc5#
      • 1...Sf6
        • 2.Sxf6#
      • 1...Sb4!
    • 1.Qe8?
      • threat
        • 2.Qxg6#
      • 1...Sf8
        • 2.Sf6#
      • 1...g5
        • 2.Qg6#
      • 1...Bxe3!
    • 1.Qg8?
      • threat
        • 2.Qxg6#
      • 1...Sf8
        • 2.Sf6#
      • 1...g5
        • 2.Qxh7#
        • 2.Qg6#
      • 1...Bxe3!
  • Keys
    • 1.Qh8!
      • threat
        • 2.Qxe5#
      • 1...Bc3
        • 2.Sxc3#
      • 1...Sf6
        • 2.Sxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 5
  • Sets
    • B(b);N_GUARD::S(A)
    • B(b);N_GUARD::S(A),XB(b)
    • S(i);N_GUARD::S(I),XS(i)
    • S(i);N_GUARD,XQ(J)::S(I)
    • S(m);N_GUARD::S(I)
    • S(m);N_GUARD::S(I),XS(m)
  • Tries
    • Try
      • Q(J);XP(l)
      • Threat
        • QAR1(J),XP(h)
      • Vars
        • S(i);N_GUARD,XQ(J)::S(I)
        • B(b);N_GUARD::S(A),XB(b)
      • Refutation
        • R(k);XQ(J)
    • Try
      • Q(J);
      • Threat
        • QAB1(J)
      • Vars
        • B(b);N_GUARD::S(A),XB(b)
        • S(i);N_GUARD::S(I),XS(i)
      • Refutation
        • S(i);N_SPINR(d)
    • Try
      • Q(J);
      • Threat
        • QAB1(J),XP(g)
      • Vars
        • S(i);N_GUARD::S(I),XS(i)
        • S(m);N_GUARD::S(I),XS(m)
      • Refutation
        • S(i);N_SPINR(d)
    • Try
      • Q(J);
      • Threat
        • QAB(J),XP(j)
      • Vars
        • S(m);N_GUARD::S(I)
        • P(j);::QAB(J)
      • Refutation
        • B(b);XP(D)
    • Try
      • Q(J);
      • Threat
        • QAB(J),XP(j)
      • Vars
        • S(m);N_GUARD::S(I)
      • Refutation
        • B(b);XP(D)
  • Actual
    • Q(J);
    • Threat
      • QAR1(J),XP(h)
    • Vars
      • B(b);N_GUARD::S(A),XB(b)
      • S(m);N_GUARD::S(I),XS(m)
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Developed and maintained by Brian Stephenson.
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