MESON Chess Problem Database

Problem Display
PID: 221459 (2B5/5Kp1/1PN2P2/2B2Nr1/2PPkp2/Rr3R1P/4pn2/8 w - - 0 1)

Hirschenson, Aaron

Variantim, 2003

2B5/5Kp1/1PN2P2/2B2Nr1/2PPkp2/Rr3R1P/4pn2/8

#2

12 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rb1
      • 2.Sd6#
    • 1...Rb2
      • 2.Sd6#
    • 1...Rxf3
      • 2.Sd6#
    • 1...Rb4
      • 2.Sd6#
    • 1...Rb5
      • 2.Sd6#
    • 1...Rxb6
      • 2.Sd6#
  • Tries
    • 1.Se5?
      • threat
        • 2.Sd6#
      • 1...Rxf5
        • 2.Bb7#
      • 1...Rxb6!
  • Keys
    • 1.Bb7!
      • threat
        • 2.Sce7#
      • 1...Kxf3
        • 2.Se5#
      • 1...Kxf5
        • 2.Se7#
      • 1...Rxb6
        • 2.Sd6#
      • 1...Rxf5
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • R(c);::S(G)
    • R(c);XR(B)::S(G)
    • R(c);XP(H)::S(G)
  • Tries
    • Try
      • S(I);
      • Threat
        • S(G)
      • Vars
        • R(f);P_PINP(J),SBLOCK,XS(G)::B(L)
      • Refutation
        • R(c);XP(H)
  • Actual
    • B(L);
    • Threat
      • B(L)+S(I)
    • Vars
      • K(d);P_SPINR(c),S_FLIGHT,XR(B)::B(L)+S(I),DCHECK
      • K(d);P_SPINP(e),S_FLIGHT,XS(G)::S(I)
      • R(c);XP(H)::S(G)
      • R(f);P_PINP(J),SBLOCK,XS(G)::B(L)+S(I)
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