MESON Chess Problem Database

Problem Display
PID: 143624 (1Q6/8/N7/2PNP3/2pkP3/2Rp1pP1/n5bn/K3R3 w - - 0 1)

Persson, Manne

Mora Tidning, 1989

(First published on Fri Dec 15 1989)

1Q6/8/N7/2PNP3/2pkP3/2Rp1pP1/n5bn/K3R3

#2

10 + 7

422 Suomen Tehtavaniekat 1991

SOLUTION

  • SOUND
  • Tries
    • 1.Se3?
      • threat
        • 2.Rxc4#
      • 1...Kxc3
        • 2.Qb2#
      • 1...Kxe4
        • 2.Rxc4#
      • 1...Sxc3
        • 2.Sf5#
      • 1...d2!
    • 1.Sac7?
      • threat
        • 2.Se6#
      • 1...Kxc5
        • 2.Qb6#
      • 1...Kxe5
        • 2.Qh8#
      • 1...Bh3!
  • Keys
    • 1.Sdc7!
      • threat
        • 2.Sb5#
      • 1...Kxc3
        • 2.Qb2#
      • 1...Kxe5
        • 2.Qh8#
      • 1...Sxc3
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);
      • Threat
        • R1(C),XP(f)
      • Vars
        • K(g);OGATEB,S_FLIGHT,XR(C)::QAB1(J)
        • K(g);P-FLIGHT,XP(E)::R(C),XP(f)
        • S(a);SBLOCK,XR(C)::S(G)
      • Refutation
        • P(d);
    • Try
      • S(I);
      • Threat
        • S(I)
      • Vars
        • K(g);OGATEB,P_SPINP(f),S_FLIGHT,XP(F)::QAB1(J)
        • K(g);OGATEB,S_FLIGHT,XP(H)::QAB(J)
      • Refutation
        • B(b);
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • K(g);OGATEB,S_FLIGHT,XR(C)::QAB1(J)
      • K(g);OGATEB,S_FLIGHT,XP(H)::QAB(J)
      • S(a);SBLOCK,XR(C)::S(G)
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