MESON Chess Problem Database

Problem Display
PID: 148547 (2K5/4p2p/Rb1kN1bQ/p7/rqnN1P2/BP1R1Bn1/8/8 w - - 0 1)

Maas, Johann H

Tijdschrift vd NSB, 1929

2K5/4p2p/Rb1kN1bQ/p7/rqnN1P2/BP1R1Bn1/8/8

#2

10 + 10

35 L'Italia Scacchistica 1930

SOLUTION

  • SOUND
  • Sets
    • 1...Qc5+
      • 2.Bxc5#
    • 1...Bxd3
      • 2.Sb5#
    • 1...Bf5
      • 2.Sb5#
      • 2.Sxf5#
    • 1...Bh5
      • 2.Sc2#
      • 2.Se2#
      • 2.Sb5#
      • 2.Sf5#
    • 1...Bf7
      • 2.Sc2#
      • 2.Se2#
      • 2.Sb5#
      • 2.Sf5#
    • 1...Be8
      • 2.Sc2#
      • 2.Se2#
      • 2.Sb5#
      • 2.Sf5#
    • 1...Sb2
      • 2.Rxb6#
    • 1...Sd2
      • 2.Rxb6#
    • 1...Se3
      • 2.Rxb6#
  • Keys
    • 1.Sd8!
      • threat
        • 2.Sb7#
      • 1...Qc5+
        • 2.S4c6#
      • 1...Kc5
        • 2.Sb7#
      • 1...Se4
        • 2.S4e6#
      • 1...e5
        • 2.Qf8#
      • 1...e6
        • 2.Qf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • Q(c);CHECK,OGATE::B(A),XQ(c)
    • B(h);XR(C)::S(E)
    • S(d);N_GUARD::R(G),XB(f)
  • Actual
    • S(H);
    • Threat
      • S(H)
    • Vars
      • Q(c);CHECK::R(C)+S(E)
      • K(g);N_SPINB(f),S_FLIGHT::S(H)
      • S(a);S_CUTB(h)::R(C)+S(E)
      • P(i);OGATEB::QAB(I)
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Developed and maintained by Brian Stephenson.
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