MESON Chess Problem Database

Problem Display
PID: 55409 (2rN1BQ1/R1n1Kp2/1n3p1r/P1kp1R1b/P1p5/2P1N3/8/8 w - - 0 1)

Aloni, Yoel

Hirschenson, Aaron

1st HM., Israel Ring Ty., 2004

2rN1BQ1/R1n1Kp2/1n3p1r/P1kp1R1b/P1p5/2P1N3/8/8

#2

10 + 10

15323 FIDE Album (2004-2006) 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Rg6
      • 2.Kxf7#
    • 1...Rh7
      • 2.Kxf6#
    • 1...Rh8
      • 2.Kxf6#
    • 1...Ra8
      • 2.Rxc7#
    • 1...Rb8
      • 2.Rxc7#
    • 1...Rxd8
      • 2.Rxc7#
    • 1...Bd1
      • 2.Kxf7#
    • 1...Be2
      • 2.Kxf7#
    • 1...Bf3
      • 2.Kxf7#
    • 1...Bg4
      • 2.Kxf7#
    • 1...Bg6
      • 2.Kxf6#
    • 1...Sd7
      • 2.Kxd7#
    • 1...Sba8
      • 2.Kd7#
    • 1...Sa6
      • 2.Ke8#
    • 1...Sca8
      • 2.Ke8#
    • 1...Se8
      • 2.Kxe8#
  • Keys
    • 1.Sxd5!
      • threat
        • 2.Qg1#
      • 1...Sbxd5+
        • 2.Kd7#
      • 1...Scxd5+
        • 2.Ke8#
      • 1...Rxd8
        • 2.Rxc7#
      • 1...Sxa4
        • 2.Sxc7#
      • 1...Sb5
        • 2.Sxb6#
      • 1...Rg6
        • 2.Kxf7#
      • 1...Bg4
        • 2.Kxf7#
      • 1...Bg6
        • 2.Kxf6#
      • 1...Se6
        • 2.Sxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 12
  • Sets
    • R(g);::B(I)+K(G),XP(i)
    • R(g);::B(I)+K(G),XP(f)
    • R(j);N_GUARD::R(F),XS(h)
    • R(j);N_GUARD,XS(H)::R(F),XS(h)
    • B(d);::B(I)+K(G),XP(i)
    • B(d);::B(I)+K(G),XP(f)
    • S(e);::B(I)+K(G),XS(e)
    • S(e);::B(I)+K(G)
    • S(h);::B(I)+K(G)
    • S(h);::B(I)+K(G),XS(h)
  • Actual
    • S(B);XP(c)
    • Threat
      • QAB(J)
    • Vars
      • S(e);CHECK,P_SPINS(e),XS(B)::B(I)+K(G)
      • S(h);CHECK,P_SPINS(h),XS(B)::B(I)+K(G)
      • R(j);N_GUARD,XS(H)::R(F),XS(h)
      • S(e);N_GUARD,XP(C)::R(E)+S(B),XS(h)
      • S(h);N_GUARD::R(E)+S(B),XS(e)
      • R(g);::B(I)+K(G),XP(i)
      • B(d);::B(I)+K(G),XP(i)
      • B(d);::B(I)+K(G),XP(f)
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