MESON Chess Problem Database

Problem Display
PID: 67097 (8/1N5B/Kp1p1B2/5n1r/1Rn1k1Pp/7N/b4P1b/3Q4 w - - 0 1)

Stolev, Nikola

6th Place, 05. WCCT, 1993-1997

8/1N5B/Kp1p1B2/5n1r/1Rn1k1Pp/7N/b4P1b/3Q4

#2

9 + 9

145 StrateGems 1998
5417 FIDE Album (1995-1997) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Rh6
      • 2.Bxf5#
    • 1...Bb1
      • 2.Rxc4#
    • 1...Bg1
      • 2.Sxd6#
    • 1...d5
      • 2.Qe2#
  • Tries
    • 1.Sg5+?
      • 1...Kf4
        • 2.Qf3#
      • 1...Rxg5!
    • 1.Bg8?
      • threat
        • 2.Bd5#
        • 2.Qd5#
      • 1...Se3
        • 2.f3#
      • 1...Sg3
        • 2.Sxd6#
      • 1...Sh6
        • 2.Qe2#
      • 1...Se7
        • 2.Qe2#
      • 1...Sg7
        • 2.Qe2#
      • 1...d5
        • 2.Bxd5#
        • 2.Qxd5#
      • 1...Sd4!
  • Keys
    • 1.Rb5!
      • threat
        • 2.Qd5#
      • 1...Sd2
        • 2.Qe2#
      • 1...Sb2
        • 2.Qe2#
      • 1...Sa3
        • 2.Qe2#
      • 1...Se3
        • 2.f3#
      • 1...Sa5
        • 2.Qe2#
      • 1...Se5
        • 2.Sxd6#
      • 1...d5
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 3
  • Sets
    • R(g);N_GUARD::B(I),XS(f)
    • B(a);N_GUARD::R(D),XS(c)
    • B(b);N_GUARD::S(H),XP(i)
    • P(i);SBLOCK::QAR2(A)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(d);P-FLIGHT::QAR1(A)
      • Refutation
        • R(g);XS(C)
    • Try
      • B(I);
      • Threat
        • DUALS(2)
      • Vars
        • S(f);SBLOCK::P(B)
        • S(f);N_GUARD,S_CUTB(b)::S(H),XP(i)
        • S(f);N_GUARD::QAR2(A)
      • Refutation
        • S(f);N_SPINS(c)
  • Actual
    • R(D);N_PINS(c),P_PINS(f)
    • Threat
      • QAB1(A)
    • Vars
      • S(c);N_GUARD::QAR2(A)
      • S(c);SBLOCK::P(B)
      • S(c);N_GUARD,S_CUTB(b)::S(H),XP(i)
      • P(i);::QAB1(A),XP(i)
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