MESON Chess Problem Database

Problem Display
PID: 134303 (3N2K1/1n5p/2B2Qp1/3P2P1/pRb1k1Pp/r1R2n2/q1P2r2/2b2NB1 w - - 0 1)

Taraba, Jozef

Vychodoslovenske noviny, 1984

3N2K1/1n5p/2B2Qp1/3P2P1/pRb1k1Pp/r1R2n2/q1P2r2/2b2NB1

#2

12 + 12

14580 Chess Compositions (Taraba) 2009

SOLUTION

  • SOUND
  • Sets
    • 1...h3
      • 2.Sg3#
  • Tries
    • 1.Se6?
      • threat
        • 2.d6#
      • 1...Rd2
        • 2.Qf4#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Sa5
        • 2.Sc5#
      • 1...Sd6
        • 2.Sc5#
      • 1...Sd8
        • 2.Sc5#
      • 1...Se5!
    • 1.Sxb7?
      • threat
        • 2.Sc5#
        • 2.Sd6#
      • 1...Be3
        • 2.Sd6#
      • 1...Bf4
        • 2.Sc5#
      • 1...Se5!
    • 1.Rcxc4+?
      • 1...Sd4
        • 2.Rxd4#
        • 2.d6#
      • 1...Qxc4!
    • 1.Rbxc4+?
      • 1...Sd4
        • 2.Rxd4#
        • 2.Qxd4#
        • 2.d6#
      • 1...Qxc4!
  • Keys
    • 1.Sf7!
      • threat
        • 2.d6#
      • 1...Se5
        • 2.Qxe5#
      • 1...Rd2
        • 2.Qxf3#
      • 1...Sd4
        • 2.Qe5#
      • 1...Sa5
        • 2.Sd6#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sd8
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • P(i);N_GUARD::S(A)
  • Tries
    • Try
      • S(K);N_SPINP(G)
      • Threat
        • B(I)+P(G)
      • Vars
        • R(c);S_CUTB(a)::QAR1(J)
        • S(e);N_GUARD,N_SPINB(g)::QAR1(J),XS(e)
        • S(k);N_GUARD::S(K)
      • Refutation
        • S(e);
    • Try
      • S(K);XS(k)
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::S(K)
      • Refutation
        • S(e);
    • Try
      • R(D);CHECK,N_SPINP(G),XB(g)
      • Refutation
        • Q(b);P_PINP(G),P_SPINQ(b),XR(D)
    • Try
      • R(E);CHECK,N_SPINP(G),XB(g)
      • Refutation
        • Q(b);P_PINP(G),XR(E)
  • Actual
    • S(K);N_SPINP(G)
    • Threat
      • B(I)+P(G)
    • Vars
      • S(e);N_GUARD::QAR1(J),XS(e)
      • R(c);N_GUARD::QAB1(J),XS(e)
      • S(e);N_GUARD,N_SPINB(g)::QAR1(J)
      • S(k);N_GUARD::S(K)
      • S(k);N_GUARD::S(K),XS(k)
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