MESON Chess Problem Database

Problem Display
PID: 213682 (8/8/6B1/2n1Brn1/1b4KQ/Rq1P1P2/1PNkP3/N3R3 w - - 0 1)

Witt, Andreas

Badische Neueste Nachrichten, 1995

8/8/6B1/2n1Brn1/1b4KQ/Rq1P1P2/1PNkP3/N3R3

#2

12 + 6

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4+
      • 2.Bxf4#
  • Tries
    • 1.Sxb3+?
      • 1...Kxc2
        • 2.Rc1#
      • 1...Sxb3!
    • 1.Qxg5+?
      • 1...Rf4+
        • 2.Bxf4#
        • 2.Qxf4#
      • 1...Rxg5+!
  • Keys
    • 1.Qf2!
      • threat
        • 2.Qe3#
      • 1...Qc4+
        • 2.e4#
      • 1...Rf4+
        • 2.Bxf4#
      • 1...Qxc2
        • 2.e3#
        • 2.e4#
      • 1...Qxd3
        • 2.exd3#
      • 1...Rxf3
        • 2.exf3#
      • 1...Rxe5
        • 2.e3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(e);CHECK,N_GUARD::B(K),XR(e)
  • Tries
    • Try
      • S(A);CHECK,XQ(b)
      • Vars
        • K(a);P-FLIGHT,XS(D)::R1(B)
      • Refutation
        • S(d);XS(A)
    • Try
      • Q(J);CHECK,XS(f)
      • Refutation
        • R(e);CHECK,XQ(J)
  • Actual
    • Q(J);
    • Threat
      • QAB1(J)
    • Vars
      • Q(b);CHECK::QAR(J)+P(E)
      • R(e);CHECK,N_GUARD::B(K),XR(e)
      • Q(b);OGATE,XP(G)::QAR(J)+P(E),XQ(b)
      • R(e);OGATE,XP(H)::QAR(J)+P(E),XR(e)
      • R(e);XB(K)::QAR(J)+P(E)
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