MESON Chess Problem Database

Problem Display
PID: 73427 (2rq1n2/3Pp3/3bBQpp/2R2PN1/RP2PkbK/1p1P4/3p1P1N/5nB1 w - - 0 1)

Overath, Lothar

Badische Neueste Nachrichten, 1993

2rq1n2/3Pp3/3bBQpp/2R2PN1/RP2PkbK/1p1P4/3p1P1N/5nB1

#2

14 + 12

6113 Problemschach-Jahrbuch (1993) 1994

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Sh3#
    • 1...Be2
      • 2.Sh3#
    • 1...Bf3
      • 2.Sh3#
    • 1...Bh3
      • 2.Sxh3#
    • 1...Bxf5
      • 2.Sh3#
    • 1...Bh5
      • 2.Sh3#
    • 1...Be5
      • 2.Qxe5#
    • 1...Sxh2
      • 2.Bxh2#
    • 1...Se3
      • 2.fxe3#
    • 1...Sg3
      • 2.fxg3#
    • 1...Sxe6
      • 2.Sxe6#
    • 1...hxg5+
      • 2.Qxg5#
  • Tries
    • 1.fxg6+?
      • 1...Bf5
        • 2.Sh3#
        • 2.Rxf5#
        • 2.Qxf5#
      • 1...exf6!
  • Keys
    • 1.e5!
      • threat
        • 2.b5#
      • 1...hxg5+
        • 2.Qxg5#
      • 1...Rxc5
        • 2.bxc5#
      • 1...Bxc5
        • 2.bxc5#
      • 1...Bxe5
        • 2.Qxe5#
      • 1...Sxe6
        • 2.Sxe6#
      • 1...Qa5
        • 2.bxa5#
      • 1...Ra8
        • 2.Rc4#
      • 1...Bf3
        • 2.Sh3#
      • 1...Se3
        • 2.fxe3#
      • 1...Sg3
        • 2.fxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 6
  • Sets
    • B(e);N_GUARD::S(K)
    • B(e);N_GUARD::S(K),XB(e)
    • B(e);N_GUARD,P_SPINB(e),XP(J)::S(K)
    • B(f);N_GUARD::QAB1(M),XB(f)
    • S(a);OGATE,XS(C)::B(A),XS(a)
    • S(a);OGATE::P(B),XS(a)
    • S(l);XB(L)::S(K),XS(l)
    • P(h);CHECK,OGATE,XS(K)::QAB1(M),XP(h)
  • Tries
    • Try
      • P(J);CHECK,XP(g)
      • Refutation
        • P(i);XQ(M)
  • Actual
    • P(G);
    • Threat
      • R(E)+P(F)
    • Vars
      • P(h);CHECK,OGATE,XS(K)::QAB1(M),XP(h)
      • R(j);OGATE,XR(I)::R(E)+P(F),XR(j)
      • B(f);OGATE,XR(I)::R(E)+P(F),XB(f)
      • B(f);OGATE,XP(G)::QAB1(M),XB(f)
      • S(l);XB(L)::S(K),XS(l)
      • Q(k);OGATE::R(E)+P(F),XQ(k)
      • R(j);N_GUARD::R(I)
      • B(e);N_GUARD::S(K)
      • S(a);OGATE::P(B),XS(a)
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