MESON Chess Problem Database

Problem Display
PID: 108758 (b3B1n1/R1b1PK2/2Pk1B1p/N2Np3/1P2P3/n2p1Rp1/2P2p2/5q2 w - - 0 1)

Labai, Zoltan

Mlynka-60 JT (Pat a Mat), 2004

b3B1n1/R1b1PK2/2Pk1B1p/N2Np3/1P2P3/n2p1Rp1/2P2p2/5q2

#2

12 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bb6
      • 2.Rd7#
    • 1...Bb8
      • 2.Rd7#
    • 1...Bd8
      • 2.Rd7#
      • 2.exd8Q#
      • 2.exd8R#
    • 1...Bb7
      • 2.Sxb7#
    • 1...Sb1
      • 2.Sc4#
    • 1...Sxc2
      • 2.Sc4#
    • 1...Sc4
      • 2.Sxc4#
    • 1...Sb5
      • 2.Sc4#
    • 1...Sxf6
      • 2.Rxf6#
    • 1...Sxe7
      • 2.Bxe7#
  • Tries
    • 1.Se3?
      • threat
        • 2.Sf5#
      • 1...Sxe7
        • 2.Bxe7#
      • 1...Qh3!
    • 1.Bd7?
      • threat
        • 2.e8S#
      • 1...Sxf6
        • 2.Rxf6#
      • 1...Sxe7
        • 2.Bxe7#
      • 1...Bxc6!
    • 1.Rf5?
      • threat
        • 2.Bxe5#
      • 1...Sxf6
        • 2.Rxf6#
      • 1...Sc4
        • 2.Sxc4#
      • 1...Qa1!
    • 1.Rxc7?
      • threat
        • 2.Rd7#
      • 1...Bxc6
        • 2.Rxc6#
      • 1...Sxf6
        • 2.Rxf6#
      • 1...Qh3!
    • 1.c4?
      • threat
        • 2.c5#
      • 1...Sxc4
        • 2.Sxc4#
      • 1...Bb6
        • 2.Rd7#
      • 1...Qc1!
  • Keys
    • 1.Sb6!
      • threat
        • 2.Sc8#
      • 1...Bxb6
        • 2.Rd7#
      • 1...Sxe7
        • 2.Bxe7#
      • 1...Qh3
        • 2.Rxd3#
      • 1...Bb7
        • 2.Sxb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • B(i);OGATE::R1(I)
    • B(j);N_GUARD::S(E),XB(j)
    • S(c);N_GUARD::S(E)
    • S(c);N_GUARD,XP(A)::S(E)
    • S(c);N_GUARD::S(E),XS(c)
    • S(k);OGATE,XB(H)::R(B),XS(k)
    • S(k);OGATE,XP(J)::B(H),XS(k)
  • Tries
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • S(k);OGATE,XP(J)::B(H),XS(k)
      • Refutation
        • Q(a);
    • Try
      • B(L);
      • Threat
        • P=S
      • Vars
        • S(k);OGATE,XB(H)::R(B),XS(k)
        • S(k);OGATE,XP(J)::B(H),XS(k)
      • Refutation
        • B(j);XP(G)
    • Try
      • R(B);
      • Threat
        • B(H),XP(f)
      • Vars
        • S(k);OGATE,XB(H)::R(B),XS(k)
        • S(c);N_GUARD::S(E),XS(c)
      • Refutation
        • Q(a);
    • Try
      • R(I);XB(i)
      • Threat
        • R1(I)
      • Vars
        • B(j);OGATE,XP(G)::R1(I),XB(j)
        • S(k);OGATE,XB(H)::R(B),XS(k)
      • Refutation
        • Q(a);
    • Try
      • P(A);
      • Threat
        • P(A)
      • Vars
        • S(c);XP(A)::S(E),XS(c)
        • B(i);OGATE::R1(I)
      • Refutation
        • Q(a);
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • B(i);OGATE,XS(F)::R1(I)
      • S(k);OGATE,XP(J)::B(H),XS(k)
      • Q(a);N_GUARD::R(B),XP(d)
      • B(j);N_GUARD::S(E),XB(j)
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