MESON Chess Problem Database

Problem Display
PID: 96257 (2n4k/5b2/3p1KPN/3pP1P1/2pB1pr1/4nP2/2rP3R/1B5q w - - 0 1)

Armeni, Alberto

Problem Observer, 1993

2n4k/5b2/3p1KPN/3pP1P1/2pB1pr1/4nP2/2rP3R/1B5q

#2

10 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rc1
      • 2.g7#
    • 1...Ra2
      • 2.g7#
    • 1...Rb2
      • 2.g7#
    • 1...Rxd2
      • 2.g7#
    • 1...Rc3
      • 2.g7#
    • 1...Bg8
      • 2.Sf7#
  • Tries
    • 1.e6?
      • threat
        • 2.Kxf7#
      • 1...Rxd2
        • 2.g7#
      • 1...Rxg5
        • 2.Kxg5#
      • 1...Bxe6
        • 2.Kxe6#
      • 1...Bxg6
        • 2.Kxg6#
      • 1...Bg8
        • 2.Sf7#
      • 1...Sf5
        • 2.Kxf5#
      • 1...Be8!
  • Keys
    • 1.exd6!
      • threat
        • 2.Kxf7#
      • 1...Rxd2
        • 2.g7#
      • 1...Rxg5
        • 2.Kxg5#
      • 1...Bxg6
        • 2.Kxg6#
      • 1...Sxd6
        • 2.Ke7#
      • 1...Be6
        • 2.Kxe6#
      • 1...Be8
        • 2.Ke6#
      • 1...Bg8
        • 2.Sf7#
      • 1...Sf5
        • 2.Kxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 4
  • Sets
    • R(b);::P(I)
    • R(b);XP(B)::P(I)
    • B(i);SBLOCK::R(C)+S(J),DCHECK
  • Tries
    • Try
      • P(F);
      • Threat
        • B(E)+K(H),XB(i)
      • Vars
        • R(b);XP(B)::P(I)
        • R(f);XP(G)::B(E)+K(H),XR(f)
        • B(i);XP(F)::B(E)+K(H),XB(i)
        • B(i);XP(I)::B(E)+K(H),XB(i)
        • B(i);SBLOCK::R(C)+S(J),DCHECK
        • S(c);::B(E)+K(H),XS(c)
      • Refutation
        • B(i);
  • Actual
    • P(F);XP(h)
    • Threat
      • B(E)+K(H),XB(i)
    • Vars
      • R(b);XP(B)::P(I)
      • R(f);XP(G)::B(E)+K(H),XR(f)
      • B(i);XP(I)::B(E)+K(H),XB(i)
      • S(j);XP(F)::B(E)+K(H)
      • B(i);::B(E)+K(H),XB(i)
      • B(i);::B(E)+K(H)
      • B(i);SBLOCK::R(C)+S(J),DCHECK
      • S(c);::B(E)+K(H),XS(c)
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