MESON Chess Problem Database

Problem Display
PID: 133871 (2b5/1PbB4/N2p1r2/pPPk4/1rN2p2/1p3P2/1B1K4/2Q5 w - - 0 1)

Taraba, Jozef

1st HM., UV CSTV, 1969

2b5/1PbB4/N2p1r2/pPPk4/1rN2p2/1p3P2/1B1K4/2Q5

#2

10 + 9

14580 Chess Compositions (Taraba) 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Re6
      • 2.Bc6#
    • 1...Bb6
      • 2.Sxb6#
    • 1...Bb8
      • 2.Sb6#
    • 1...dxc5
      • 2.Sxc7#
  • Tries
    • 1.Qb1?
      • threat
        • 2.Qd3#
        • 2.Qe4#
      • 1...Kxc4
        • 2.Qd3#
        • 2.Qe4#
      • 1...Bxd7
        • 2.Qe4#
      • 1...Re6
        • 2.Qd3#
      • 1...Rxc4!
    • 1.Qg1?
      • threat
        • 2.Qd4#
      • 1...Kxc4
        • 2.Qd4#
      • 1...Rxc4
        • 2.Sxc7#
      • 1...dxc5
        • 2.Qxc5#
      • 1...Bxd7!
    • 1.bxc8Q?
      • threat
        • 2.Bc6#
        • 2.Qb7#
        • 2.Qa8#
      • 1...dxc5
        • 2.Sxc7#
      • 1...Rf8
        • 2.Bc6#
        • 2.Be6#
        • 2.Qb7#
      • 1...Bb8
        • 2.Sb6#
        • 2.Bc6#
        • 2.Qb7#
        • 2.Qc6#
      • 1...Rxb5!
    • 1.bxc8B?
      • threat
        • 2.Bc6#
        • 2.Bb7#
      • 1...dxc5
        • 2.Sxc7#
      • 1...Rxb5!
  • Keys
    • 1.Qe1!
      • threat
        • 2.Qe4#
      • 1...Kxc4
        • 2.Qe4#
      • 1...Rxc4
        • 2.Bc6#
      • 1...Re6
        • 2.Qxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(g);SBLOCK::B(J)
    • B(h);N_GUARD::S(E),XB(h)
    • B(h);N_GUARD::S(E)
    • P(f);SBLOCK,XP(G)::S(H),XB(h)
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • B(i);XB(J)::QAB1(A)
        • R(g);::QAR2(A)
      • Refutation
        • R(b);XS(E)
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • K(e);S_FLIGHT,XS(E)::QAR1(A)
        • R(b);SBLOCK,XS(E)::S(H),XB(h)
        • P(f);OGATE,XP(G)::QAR1(A),XP(f)
      • Refutation
        • B(i);XB(J)
    • Try
      • P(I);XB(i)
      • Threat
        • DUALS(3)
      • Vars
        • P(f);SBLOCK,XP(G)::S(H),XB(h)
      • Refutation
        • R(b);XP(F)
    • Try
      • P(I);XB(i)
      • Threat
        • DUALS(2)
      • Vars
        • P(f);SBLOCK,XP(G)::S(H),XB(h)
      • Refutation
        • R(b);XP(F)
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(e);S_FLIGHT,XS(E)::QAR2(A)
      • R(b);SBLOCK,XS(E)::B(J)
      • R(g);N_GUARD::QAB1(A),XR(g)
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