MESON Chess Problem Database

Problem Display
PID: 244216 (2b5/4bR2/6nB/pNp4R/2P1k1rn/6p1/2P3r1/Q2K3B w - - 0 1)

Bruch, Wieland

Problem-Forum, 2014

2b5/4bR2/6nB/pNp4R/2P1k1rn/6p1/2P3r1/Q2K3B

#2

9 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bd6
      • 2.Sxd6#
    • 1...Bd8
      • 2.Sd6#
    • 1...Sf5
      • 2.Bxg2#
    • 1...Se5
      • 2.Rxe5#
      • 2.Qxe5#
    • 1...Sf8
      • 2.Re5#
      • 2.Qe5#
    • 1...Sh8
      • 2.Re5#
      • 2.Qe5#
  • Tries
    • 1.Bxg2+?
      • 1...Sf3
        • 2.Bxf3#
      • 1...Sxg2!
  • Keys
    • 1.Qc3!
      • threat
        • 2.Qe1#
        • 2.Qd3#
        • 2.Qe3#
      • 1...Rf4
        • 2.Qd3#
      • 1...Rg5
        • 2.Qe1#
      • 1...Bg5
        • 2.Sd6#
      • 1...Bf6
        • 2.Sd6#
        • 2.Qd3#
        • 2.Qe3#
      • 1...Bf5
        • 2.Qe3#
      • 1...Sf3
        • 2.Qd3#
        • 2.Qe3#
        • 2.Qxf3#
      • 1...Sf5
        • 2.Bxg2#
      • 1...Sf4
        • 2.Re5#
      • 1...Se5
        • 2.Rxe5#
        • 2.Qe1#
        • 2.Qxe5#
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • B(i);N_GUARD::S(F),XB(i)
    • B(i);N_GUARD::S(F)
    • S(e);N_GUARD::B(C),XR(a)
  • Tries
    • Try
      • B(C);CHECK,XR(a)
      • Vars
        • S(e);N_GUARD,P_SPINS(e)::B(C),XS(e)
      • Refutation
        • S(e);XB(C)
  • Actual
    • Q(A);
    • Threat
      • DUALS(3)
    • Vars
      • R(d);::QAB1(A)
      • R(d);::QAR(A)
      • B(i);N_GUARD::S(F)
      • B(j);::QAR1(A)
      • S(e);N_GUARD::B(C),XR(a)
      • S(h);N_GUARD::R1(G)
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