MESON Chess Problem Database

Problem Display
PID: 235050 (2K3Q1/2n5/1B6/1r1NpP2/2p1k2b/5R2/2r5/4N1n1 w - - 0 1)

Hoffmann, Fritz

Gaudium, 2014

2K3Q1/2n5/1B6/1r1NpP2/2p1k2b/5R2/2r5/4N1n1

#2

7 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ra2
      • 2.Sc3#
    • 1...Rcb2
      • 2.Sc3#
    • 1...Rd2
      • 2.Sc3#
    • 1...Re2
      • 2.Sc3#
    • 1...Rf2
      • 2.Sc3#
    • 1...Rg2
      • 2.Sc3#
    • 1...Rh2
      • 2.Sc3#
    • 1...Rc3
      • 2.Sxc3#
    • 1...Rxd5
      • 2.Qg4#
    • 1...Bf2
      • 2.Sf6#
    • 1...Bg3
      • 2.Sf6#
    • 1...Bf6
      • 2.Sxf6#
  • Keys
    • 1.Qg2!
      • threat
        • 2.Rf4#
      • 1...Kxd5
        • 2.Rd3#
      • 1...Rxg2
        • 2.Sc3#
      • 1...Rxd5
        • 2.Qg4#
      • 1...Bxe1
        • 2.Sf6#
      • 1...Sxf3
        • 2.Qxf3#
      • 1...Sxd5
        • 2.Qxc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 10
  • Sets
    • R(b);N_GUARD::S(C)
    • R(b);N_GUARD::S(C),XR(b)
    • R(f);SBLOCK,XS(C)::QAR2(G)
    • B(e);N_GUARD::S(C)
    • B(e);N_GUARD::S(C),XB(e)
  • Actual
    • Q(G);
    • Threat
      • QAB(G)+R(B),DCHECK
    • Vars
      • K(d);S_FLIGHT,XS(C)::QAB(G)+R(B),DCHECK
      • R(b);N_GUARD,XQ(G)::S(C)
      • R(f);SBLOCK,XS(C)::QAR2(G)
      • B(e);N_GUARD,XS(A)::S(C)
      • S(a);OGATE,P_SPINS(a),XR(B)::QAB1(G),XS(a)
      • S(h);SBLOCK,XS(C)::QAB(G),XR(b)
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