MESON Chess Problem Database

Problem Display
PID: 75420 (4R3/5p1K/8/n1rP1r1p/3k4/1Q1PN2b/3P1n2/b1R1N3 w - - 0 1)

Velimirovic, Milan

Mezija, 2000

4R3/5p1K/8/n1rP1r1p/3k4/1Q1PN2b/3P1n2/b1R1N3

#2

9 + 9

6166 FIDE Album (1998-2000) 2007
273 Mat Plus 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Rf3
      • 2.Sxf3#
    • 1...Rxd5
      • 2.Sf3#
    • 1...Re5
      • 2.Sf3#
    • 1...Rg5
      • 2.Sf3#
    • 1...Bc3
      • 2.S3c2#
    • 1...Bf1
      • 2.Sxf5#
    • 1...Bg2
      • 2.Sxf5#
    • 1...Sd1
      • 2.Re4#
    • 1...Sh1
      • 2.Re4#
    • 1...Sxd3
      • 2.Qxd3#
    • 1...Se4
      • 2.Rxe4#
    • 1...Sg4
      • 2.Sxf5#
      • 2.Re4#
    • 1...Sc4
      • 2.S1c2#
  • Tries
    • 1.Rc4+?
      • 1...Sxc4
        • 2.S1c2#
      • 1...Rxc4!
  • Keys
    • 1.Qb6!
      • threat
        • 2.Qxc5#
      • 1...Rxd5
        • 2.S3c2#
      • 1...Sxd3
        • 2.S1c2#
      • 1...Bc3
        • 2.dxc3#
      • 1...Se4
        • 2.Rxe4#
      • 1...Sb3
        • 2.Rc4#
      • 1...Sc4
        • 2.Rxc4#
      • 1...Sb7
        • 2.Rc4#

This is after 43487

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • R(g);N_GUARD::S(B),XR(g)
    • R(g);N_GUARD,XP(G)::S(B)
    • R(g);N_GUARD::S(B)
    • B(a);S_CUTR(f)::S(F)
    • B(c);N_GUARD::S(F),XR(g)
    • S(b);N_GUARD::R1(I)
    • S(b);OGATE,XP(E)::QAR1(D),XS(b)
    • S(b);N_GUARD::R1(I),XS(b)
    • S(e);S_CUTR(f)::S(B)
  • Tries
    • Try
      • R(A);CHECK
      • Vars
        • S(e);XR(A)::S(B)
      • Refutation
        • R(f);XR(A)
  • Actual
    • Q(D);P_PINR(f)
    • Threat
      • QAB1(D),XR(f)
    • Vars
      • R(g);SBLOCK,XP(G)::S(F)
      • S(b);SBLOCK,XP(E)::S(B)
      • B(a);OGATE::P(C),XB(a)
      • S(b);N_GUARD::R1(I),XS(b)
      • S(e);N_GUARD::R1(A)
      • S(e);N_GUARD::R1(A),XS(e)
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