MESON Chess Problem Database

Problem Display
PID: 160916 (2B5/n7/3PK3/p1r2RPp/RbN3kq/1r6/4N1P1/4B3 w - - 0 1)

Leiss, Hans-Dieter

Schach-Echo, 1960

2B5/n7/3PK3/p1r2RPp/RbN3kq/1r6/4N1P1/4B3

#2

10 + 8

6490 yacpdb 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Rb1
      • 2.Se3#
    • 1...Rb2
      • 2.Se3#
    • 1...Re3+
      • 2.Sxe3#
    • 1...Re5+
      • 2.Sxe5#
    • 1...Rc6
      • 2.Se5#
    • 1...Rc7
      • 2.Se5#
    • 1...Rxc8
      • 2.Se5#
    • 1...Bxe1
      • 2.Se3#
      • 2.Se5#
    • 1...Bd2
      • 2.Se3#
      • 2.Se5#
    • 1...Ba3
      • 2.Se3#
      • 2.Se5#
    • 1...Bc3
      • 2.Se3#
      • 2.Se5#
  • Keys
    • 1.Kf6!
      • threat
        • 2.Rf4#
      • 1...Qxg5+
        • 2.Rxg5#
      • 1...Rxf5+
        • 2.Bxf5#
      • 1...Bc3+
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 7
  • Sets
    • R(a);N_GUARD::S(E)
    • R(a);CHECK,N_GUARD::S(E),XR(a)
    • R(f);CHECK,N_GUARD::S(E),XR(f)
    • R(f);N_GUARD,P_PINP(H)::S(E)
    • R(f);N_GUARD::S(E)
    • R(f);N_GUARD,XB(J)::S(E)
  • Actual
    • K(I);P-FLIGHT,P_SPINP(G)
    • Threat
      • B(J)+R(F),DCHECK
    • Vars
      • Q(d);CHECK,OGATE,XP(G)::B(J)+R(F),DCHECK,XQ(d)
      • R(f);CHECK,OGATE,P_SPINR(f),XR(F)::B(J),XR(f)
      • B(b);CHECK::R(D)+S(E),DCHECK
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