MESON Chess Problem Database

Problem Display
PID: 135051 (8/6n1/1p4p1/1R1pp3/1p1k4/1Pp2bNQ/4PP2/2K4B w - - 0 1)

Agostini, Valerio

Probleemblad, 2009

8/6n1/1p4p1/1R1pp3/1p1k4/1Pp2bNQ/4PP2/2K4B

#2

8 + 9

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe2
      • 2.Sxe2#
      • 2.Rxd5#
    • 1...Bg4
      • 2.Rxd5#
    • 1...Bh5
      • 2.Rxd5#
  • Tries
    • 1.Qc8?
      • threat
        • 2.Rxb4#
      • 1...Bxe2
        • 2.Rxd5#
      • 1...e4!
    • 1.Qh4+?
      • 1...Bg4
        • 2.Rxd5#
      • 1...e4
        • 2.Qf6#
      • 1...Be4!
    • 1.Qh6?
      • threat
        • 2.Qe3#
      • 1...e4
        • 2.Qxg7#
      • 1...g5
        • 2.Qxb6#
      • 1...Sf5!
    • 1.e4?
      • threat
        • 2.Rxd5#
      • 1...Kd3
        • 2.Rxd5#
      • 1...Bxe4
        • 2.Se2#
      • 1...dxe4
        • 2.Qd7#
      • 1...c2!
  • Keys
    • 1.Se4!
      • threat
        • 2.Rxb4#
      • 1...Kxe4
        • 2.Qg4#
      • 1...Bxe2
        • 2.Qe3#
      • 1...Bxe4
        • 2.Qe3#
      • 1...dxe4
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • B(b);N_GUARD::R1(H),XP(e)
  • Tries
    • Try
      • Q(G);
      • Threat
        • R(H),XP(c)
      • Vars
        • B(b);N_GUARD,XP(C)::R1(H),XP(e)
      • Refutation
        • P(f);
    • Try
      • Q(G);CHECK
      • Vars
        • B(b);P_SPINB(b)::R1(H),XP(e)
        • P(f);OGATEB,P_SPINP(f)::QAB(G)
      • Refutation
        • B(b);P_SPINB(b)
    • Try
      • Q(G);
      • Threat
        • QAB1(G)
      • Vars
        • P(f);OGATEB::QAB(G),XS(i)
        • P(h);OGATE::QAB(G),XP(g)
      • Refutation
        • S(i);
    • Try
      • P(C);
      • Threat
        • R1(H),XP(e)
      • Vars
        • K(d);P-FLIGHT::R(H),XP(e)
        • B(b);N_GUARD,XP(C)::S(F)
        • P(e);OGATEB,XP(C)::QAR(G)
      • Refutation
        • P(a);
  • Actual
    • S(F);
    • Threat
      • R(H),XP(c)
    • Vars
      • K(d);OGATEB,P-FLIGHT,P_SPINB(b),XS(F)::QAR2(G)
      • B(b);OGATE,XP(C)::QAB1(G)
      • B(b);OGATE,XS(F)::QAB1(G)
      • P(e);OGATEB,SBLOCK,XS(F)::QAR(G)
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