MESON Chess Problem Database

Problem Display
PID: 164104 (2b5/Q2p3p/2NPN2B/1R1P4/1pnPk1P1/bB1pP1K1/8/8 w - - 0 1)

Fasano, Alessandro

2nd HM., Best Problems, 2015

2b5/Q2p3p/2NPN2B/1R1P4/1pnPk1P1/bB1pP1K1/8/8

#2

12 + 8

4901 Best Problems 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sb2
      • 2.Sc5#
    • 1...Sd2
      • 2.Sc5#
    • 1...Sxe3
      • 2.Sc5#
      • 2.Sg5#
    • 1...Sa5
      • 2.Sc5#
    • 1...Se5
      • 2.Sc5#
    • 1...Sb6
      • 2.Sc5#
    • 1...Sxd6
      • 2.Sc5#
    • 1...d2
      • 2.Bc2#
    • 1...dxc6
      • 2.Qxh7#
    • 1...dxe6
      • 2.Qxh7#
  • Tries
    • 1.Sxb4?
      • threat
        • 2.Sc5#
      • 1...Sxe3
        • 2.Sg5#
      • 1...dxe6
        • 2.Qxh7#
      • 1...Bxb4!
    • 1.Se7?
      • threat
        • 2.Sc5#
      • 1...Sxe3
        • 2.Sg5#
      • 1...dxe6!
    • 1.Bxc4?
      • threat
        • 2.Sc5#
      • 1...dxe6
        • 2.Qxh7#
      • 1...b3!
    • 1.Bf4?
      • threat
        • 2.Sg5#
      • 1...dxe6
        • 2.Qxh7#
      • 1...d2
        • 2.Bc2#
      • 1...h6!
    • 1.Qxd7?
      • threat
        • 2.Qxh7#
      • 1...Sxe3
        • 2.Sc5#
        • 2.Sg5#
      • 1...Sxd6
        • 2.Sc5#
      • 1...Se5
        • 2.Sc5#
      • 1...Bxd7!
  • Keys
    • 1.Kf2!
      • threat
        • 2.Sg5#
      • 1...Sxe3
        • 2.Sc5#
      • 1...dxe6
        • 2.Qxh7#
      • 1...d2
        • 2.Bc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • S(d);::S(J)
    • S(d);XP(I)::S(J)
    • P(b);OGATEB::B(A)
    • P(f);OGATE,XS(H)::QAB(L),XP(g)
    • P(f);OGATE,XS(J)::QAB(L),XP(g)
  • Tries
    • Try
      • S(H);XP(c)
      • Threat
        • S(J)
      • Vars
        • S(d);SBLOCK,XP(B)::S(J)
        • P(f);OGATE,XS(J)::QAB(L),XP(g)
      • Refutation
        • B(a);XS(H)
    • Try
      • S(H);
      • Threat
        • S(J)
      • Vars
        • S(d);SBLOCK,XP(B)::S(J)
      • Refutation
        • P(f);XS(J)
    • Try
      • B(A);XS(d)
      • Threat
        • S(J)
      • Vars
        • P(f);OGATE,XS(J)::QAB(L),XP(g)
      • Refutation
        • P(c);
    • Try
      • B(K);
      • Threat
        • S(J)
      • Vars
        • P(f);OGATE,XS(J)::QAB(L),XP(g)
        • P(b);OGATEB::B(A)
      • Refutation
        • P(g);
    • Try
      • Q(L);XP(f)
      • Threat
        • QAB(L),XP(g)
      • Vars
        • S(d);XP(I)::S(J)
        • S(d);::S(J)
      • Refutation
        • B(h);XQ(L)
  • Actual
    • K(C);S_FLIGHT
    • Threat
      • S(J)
    • Vars
      • S(d);XP(B)::S(J)
      • P(f);OGATE,XS(J)::QAB(L),XP(g)
      • P(b);OGATEB::B(A)
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