MESON Chess Problem Database

Problem Display
PID: 258430 (4q3/7B/3bpPN1/1p1p2Rb/1P1kN3/1Pp1R3/2P1pP2/4K3 w - - 0 1)

Guida, Marco

Simoni, Francesco

Best Problems, 2022

4q3/7B/3bpPN1/1p1p2Rb/1P1kN3/1Pp1R3/2P1pP2/4K3

#2

11 + 9

SOLUTION

  • SOUND
  • Tries
    • 1.Sxc3?
      • threat
        • 2.Rd3#
      • 1...Qxg6
        • 2.Sxb5#
      • 1...Bxg6
        • 2.Sxe2#
      • 1...Bxb4!
    • 1.Sxd6?
      • threat
        • 2.Rd3#
      • 1...Qxg6
        • 2.Sxb5#
      • 1...Bxg6!
    • 1.Sh4?
      • threat
        • 2.Rd3#
      • 1...dxe4
        • 2.Rxe4#
      • 1...Bg6
        • 2.Sf3#
      • 1...Qg6!
    • 1.Se5?
      • threat
        • 2.Rd3#
      • 1...Qg6
        • 2.Sc6#
      • 1...Bg6
        • 2.Sf3#
      • 1...dxe4!
    • 1.Se7?
      • threat
        • 2.Rd3#
      • 1...dxe4
        • 2.Rxe4#
      • 1...Qg6
        • 2.Sc6#
      • 1...Bg6!
    • 1.Sf8?
      • threat
        • 2.Rd3#
      • 1...dxe4
        • 2.Rxe4#
      • 1...Qg6
        • 2.Sxe6#
      • 1...Bg6!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Rd3#
      • 1...dxe4
        • 2.Rxe4#
      • 1...Qg6
        • 2.Sxe6#
      • 1...Bg6
        • 2.Sxe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);XP(b)
      • Threat
        • R1(E)
      • Vars
        • Q(i);N_GUARD,XS(J)::S(G),XP(d)
        • B(f);N_GUARD,XS(J)::S(G),XP(a)
      • Refutation
        • B(g);P_PINS(G),XP(F)
    • Try
      • S(G);XB(g)
      • Threat
        • R1(E)
      • Vars
        • Q(i);N_GUARD,XS(J)::S(G),XP(d)
      • Refutation
        • B(f);XS(J)
    • Try
      • S(J);
      • Threat
        • R1(E)
      • Vars
        • P(e);OGATE,XS(G)::R1(E),XP(e)
        • B(f);N_GUARD::S(J)
      • Refutation
        • Q(i);
    • Try
      • S(J);
      • Threat
        • R1(E)
      • Vars
        • Q(i);N_GUARD::S(J)
        • B(f);N_GUARD::S(J)
      • Refutation
        • P(e);XS(G)
    • Try
      • S(J);
      • Threat
        • R1(E)
      • Vars
        • P(e);OGATE,XS(G)::R1(E),XP(e)
        • Q(i);N_GUARD::S(J)
      • Refutation
        • B(f);
    • Try
      • S(J);
      • Threat
        • R1(E)
      • Vars
        • P(e);OGATE,XS(G)::R1(E),XP(e)
        • Q(i);N_GUARD::S(J),XP(h)
      • Refutation
        • B(f);
  • Actual
    • S(J);
    • Threat
      • R1(E)
    • Vars
      • P(e);OGATE,XS(G)::R1(E),XP(e)
      • Q(i);N_GUARD::S(J),XP(h)
      • B(f);N_GUARD::S(J),XP(a)
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