MESON Chess Problem Database

Problem Display
PID: 78870 (6r1/2p3bb/R3P3/Q2pRr2/2pk1p1p/3N3K/P2p1N2/qn4BB w - - 0 1)

Sammelius, Carel Johan Robert

1st Prize, Probleemblad, 1959

6r1/2p3bb/R3P3/Q2pRr2/2pk1p1p/3N3K/P2p1N2/qn4BB

#2

10 + 13

1085 Australian Chess Problem Magazine 1994
102 Probleemblad 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Qc3
      • 2.Qc5#
      • 2.Qxd5#
    • 1...Sc3
      • 2.Qc5#
    • 1...c3
      • 2.Qb4#
      • 2.Qa4#
      • 2.Qc5#
      • 2.Qxd5#
  • Keys
    • 1.Sb4!
      • threat
        • 2.Sc6#
      • 1...Qc3+
        • 2.Sfd3#
      • 1...Kc3
        • 2.Sd1#
      • 1...Kxe5
        • 2.Sg4#
      • 1...Rxe5
        • 2.Se4#
      • 1...Bxe5
        • 2.Sc2#
      • 1...c3
        • 2.Qxd5#
      • 1...c6
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • S(b);SBLOCK::QAB1(G)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • Q(a);CHECK,SBLOCK::B(A)+S(D)
      • K(e);S_FLIGHT::S(D)
      • K(e);P_SPINP(h),S_FLIGHT,XR(H)::S(D)
      • R(i);SBLOCK,XR(H)::B(A)+S(D)
      • B(k);SBLOCK,XR(H)::S(E)
      • P(d);SBLOCK::QAR1(G),XP(h)
      • P(j);::S(E),XP(j)
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