MESON Chess Problem Database

Problem Display
PID: 15792 (7Q/1p6/3pN1K1/pBPk1pN1/rR6/8/bnn3p1/B7 w - - 0 1)

Novitski, Petr Adrinovich

1st Prize, Ukraine Sports Committee, 1987

7Q/1p6/3pN1K1/pBPk1pN1/rR6/8/bnn3p1/B7

#2

8 + 10

3297 FIDE Album (1986-1988) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Sxa1
      • 2.Qd4#
    • 1...Se1
      • 2.Qd4#
    • 1...Sa3
      • 2.Qd4#
    • 1...Se3
      • 2.Qd4#
    • 1...Sxb4
      • 2.Qd4#
    • 1...Sd4
      • 2.Qxd4#
  • Tries
    • 1.Qc3?
      • threat
        • 2.Sf4#
        • 2.Sc7#
      • 1...Rxb4
        • 2.Sc7#
      • 1...dxc5
        • 2.Qxc5#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Sd3
        • 2.Sc7#
      • 1...Sc4
        • 2.Qf3#
      • 1...f4
        • 2.Sxf4#
        • 2.Sc7#
      • 1...Bc4!
    • 1.Qh2?
      • threat
        • 2.Qxd6#
      • 1...dxc5
        • 2.Sc7#
      • 1...Sc4
        • 2.Qxg2#
      • 1...f4!
    • 1.Qd8?
      • threat
        • 2.Qxd6#
      • 1...Ke5
        • 2.Qxd6#
      • 1...Sc4!
    • 1.Qf8?
      • threat
        • 2.Qxd6#
        • 2.Qxf5#
      • 1...Ke5
        • 2.Qxd6#
        • 2.Qxf5#
      • 1...dxc5
        • 2.Qxc5#
      • 1...Sd3
        • 2.Qxd6#
      • 1...Se3
        • 2.Qxd6#
      • 1...Sd4
        • 2.Qxd6#
      • 1...f4
        • 2.Qxd6#
        • 2.Qf5#
      • 1...Sc4!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Qxd6#
      • 1...Ke5
        • 2.Qxd6#
      • 1...dxc5
        • 2.Sf4#
      • 1...Sc4
        • 2.Qxb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • S(c);N_GUARD,XB(A)::QAR1(H)
    • S(c);N_GUARD::QAR1(H)
    • S(c);N_GUARD,XR(B)::QAR1(H)
    • S(c);N_GUARD::QAR1(H),XS(c)
  • Tries
    • Try
      • Q(H);
      • Threat
        • DUALS(2)
      • Vars
        • R(e);XR(B)::S(F)
        • P(i);OGATE,XP(D)::QAR1(H),XP(i)
        • S(c);N_GUARD::QAR1(H),XS(c)
        • S(b);::S(F)
        • S(b);::QAB(H)
      • Refutation
        • B(a);
    • Try
      • Q(H);
      • Threat
        • QAR1(H),XP(i)
      • Vars
        • P(i);SBLOCK,XP(D)::S(F)
        • S(b);::QAB(H),XP(d)
      • Refutation
        • P(h);
    • Try
      • Q(H);P_PINP(i)
      • Threat
        • QAR1(H),XP(i)
      • Vars
        • K(g);N_SPINP(i),P-FLIGHT,P_SPINS(b)::QAB1(H),XP(i)
      • Refutation
        • S(b);
    • Try
      • Q(H);
      • Threat
        • DUALS(2)
      • Vars
        • P(i);OGATE,XP(D)::QAR1(H),XP(i)
        • S(b);::QAR1(H),XP(i)
        • S(c);::QAR1(H),XP(i)
      • Refutation
        • S(b);
  • Actual
    • Q(H);
    • Threat
      • QAR1(H),XP(i)
    • Vars
      • K(g);P-FLIGHT,P_SPINP(i),P_SPINS(b)::QAB1(H),XP(i)
      • P(i);SBLOCK,XP(D)::S(F)
      • S(b);::QAB(H),XP(j)
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