MESON Chess Problem Database

Problem Display
PID: 81029 (3Rb2Q/1N6/3np3/p3B1p1/r1r1k1P1/b3P3/Bp1nPK2/3R4 w - - 0 1)

Pituk, Alexander

Comm., Smer, 1959

3Rb2Q/1N6/3np3/p3B1p1/r1r1k1P1/b3P3/Bp1nPK2/3R4

#2

10 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Rb4
      • 2.Sc5#
      • 2.Sxd6#
    • 1...Rc5
      • 2.Sxd6#
    • 1...Sf3
      • 2.exf3#
  • Tries
    • 1.Bh2?
      • threat
        • 2.Qe5#
      • 1...Rc5
        • 2.Sxd6#
      • 1...Sf3
        • 2.exf3#
      • 1...Sf7
        • 2.Qh7#
      • 1...e5
        • 2.Qxe5#
      • 1...Kd5!
    • 1.Bf4?
      • threat
        • 2.Qe5#
      • 1...Kd5
        • 2.Qh1#
      • 1...Rc5
        • 2.Sxd6#
      • 1...Sf3
        • 2.exf3#
      • 1...Sf7
        • 2.Qh7#
      • 1...e5
        • 2.Qxe5#
      • 1...gxf4!
  • Keys
    • 1.Bg3!
      • threat
        • 2.Qe5#
      • 1...Kd5
        • 2.Qh1#
      • 1...Rc5
        • 2.Sxd6#
      • 1...Sf3
        • 2.exf3#
      • 1...Sf7
        • 2.Qh7#
      • 1...e5
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(e);S_CUTB(c)::S(H),XS(i)
    • S(b);OGATE::P(C),XS(b)
  • Tries
    • Try
      • B(G);
      • Threat
        • QAR1(J)
      • Vars
        • R(e);S_CUTB(c)::S(H),XS(i)
        • S(b);OGATE::P(C),XS(b)
        • S(i);N_GUARD,S_CUTB(k)::QAB(J)
        • P(j);::QAR1(J),XP(j)
      • Refutation
        • K(f);P_SPINR(e),P_SPINS(b),S_FLIGHT
    • Try
      • B(G);
      • Threat
        • QAR1(J)
      • Vars
        • K(f);P_SPINR(e),P_SPINS(b),S_FLIGHT::QAB(J)
        • R(e);S_CUTB(c)::S(H),XS(i)
        • S(b);OGATE::P(C),XS(b)
        • S(i);N_GUARD,S_CUTB(k)::QAB(J)
        • P(j);::QAR1(J),XP(j)
      • Refutation
        • P(h);XB(G)
  • Actual
    • B(G);
    • Threat
      • QAR1(J)
    • Vars
      • K(f);P_SPINR(e),P_SPINS(b),S_FLIGHT::QAB(J)
      • R(e);S_CUTB(c)::S(H),XS(i)
      • S(b);OGATE::P(C),XS(b)
      • S(i);N_GUARD,S_CUTB(k)::QAB(J)
      • P(j);::QAR1(J),XP(j)
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