MESON Chess Problem Database

Problem Display
PID: 71974 (3RNQK1/4P1p1/6p1/2pR3b/4kn2/r2np3/2B1N1Pb/4B3 w - - 0 1)

Stolev, Nikola

21st Place, 08. WCCT, 2006-2008

3RNQK1/4P1p1/6p1/2pR3b/4kn2/r2np3/2B1N1Pb/4B3

#2

10 + 10

14561 08. WCCT Award 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Sc3#
    • 1...Ra2
      • 2.Sc3#
    • 1...Rc3
      • 2.Sxc3#
    • 1...Ra4
      • 2.Sc3#
    • 1...Ra5
      • 2.Sc3#
    • 1...Ra6
      • 2.Sc3#
    • 1...Ra7
      • 2.Sc3#
    • 1...Ra8
      • 2.Sc3#
    • 1...Bg1
      • 2.Sg3#
      • 2.Qxf4#
    • 1...Bg3
      • 2.Sxg3#
    • 1...g5
      • 2.Qf5#
  • Tries
    • 1.Bc3?
      • threat
        • 2.Re5#
      • 1...Rxc3
        • 2.Sxc3#
      • 1...Sxe2
        • 2.Bxd3#
      • 1...Sxg2
        • 2.Bxd3#
      • 1...Sh3
        • 2.Bxd3#
      • 1...Se6
        • 2.Bxd3#
      • 1...Sxd5!
  • Keys
    • 1.Bg3!
      • threat
        • 2.Qxf4#
      • 1...Bxg3
        • 2.Sxg3#
      • 1...Sxe2
        • 2.Re5#
      • 1...Sxg2
        • 2.Re5#
      • 1...Sxd5
        • 2.Sd6#
      • 1...Sh3
        • 2.Re5#
      • 1...Se6
        • 2.Re5#
      • 1...g5
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 8
  • Sets
    • R(b);N_GUARD::S(C)
    • R(b);N_GUARD::S(C),XR(b)
    • B(a);N_GUARD::S(C),XB(a)
    • P(i);N_GUARD::QAB1(I)
  • Tries
    • Try
      • B(A);
      • Threat
        • R1(E)
      • Vars
        • R(b);XB(A)::S(C),XR(b)
        • S(f);N_GUARD,XS(C)::B(B),XS(c)
        • S(f);N_GUARD,XP(D)::B(B),XS(c)
        • S(f);N_GUARD::B(B),XS(c)
      • Refutation
        • S(f);XR(E)
  • Actual
    • B(A);
    • Threat
      • QAR1(I),XS(f)
    • Vars
      • B(a);XB(A)::S(C),XB(a)
      • S(f);XS(C)::R1(E)
      • S(f);XP(D)::R1(E)
      • S(f);SBLOCK,XR(E)::S(H)
      • S(f);::R1(E)
      • P(i);N_GUARD::QAB1(I)
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