MESON Chess Problem Database

Problem Display
PID: 203731 (8/2p5/2Rbp1N1/1P1kPP2/1Rp1p3/2rP2n1/4N1KB/8 w - - 0 1)

Bonivento, Oscar

L'Italia Scacchistica, 2010

8/2p5/2Rbp1N1/1P1kPP2/1Rp1p3/2rP2n1/4N1KB/8

#2

10 + 8

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ra3
      • 2.dxc4#
    • 1...Rb3
      • 2.dxc4#
    • 1...Bxe5
      • 2.Se7#
    • 1...cxd3
      • 2.Sxc3#
      • 2.Sef4#
      • 2.Rd4#
  • Keys
    • 1.Rbxc4!
      • threat
        • 2.Sxc3#
        • 2.Sef4#
        • 2.Rd4#
      • 1...Rxd3
        • 2.Sef4#
      • 1...Rxc4
        • 2.dxc4#
      • 1...Bxe5
        • 2.Se7#
      • 1...Sxe2
        • 2.dxe4#
      • 1...Sxf5
        • 2.Sxc3#
        • 2.Sef4#
        • 2.dxe4#
      • 1...exf5
        • 2.Sef4#
      • 1...Rc1
        • 2.Sef4#
        • 2.Rd4#
      • 1...Rc2
        • 2.Rd4#
      • 1...Ra3
        • 2.Sef4#
        • 2.Rd4#
      • 1...Rb3
        • 2.Sef4#
        • 2.Rd4#
      • 1...Bb4
        • 2.Sef4#
        • 2.Rd4#
      • 1...Bc5
        • 2.Sxc3#
        • 2.Sef4#
        • 2.R6xc5#
      • 1...Sh5
        • 2.Sxc3#
        • 2.Rd4#
        • 2.dxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • R(a);N_GUARD::P(D),XP(c)
    • B(f);N_GUARD,SBLOCK,XP(G)::S(J)
  • Actual
    • R(E);XP(c)
    • Threat
      • DUALS(3)
    • Vars
      • R(a);XP(D)::S(A)
      • R(a);OGATE,XR(E)::P(D),XR(a)
      • B(f);N_GUARD,SBLOCK,XP(G)::S(J)
      • S(b);N_GUARD,XS(A)::P(D),XP(d)
      • P(g);XP(H)::S(A)
      • R(a);P_PINS(A)::R1(E)
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