MESON Chess Problem Database

Problem Display
PID: 102980 (1Bn5/2q3R1/3r4/6N1/2pPP1Bp/4P1kP/Q7/K5N1 w - - 0 1)

Visserman, Eeltje

Dunaujvarosi Hirlap, 1962-1964

1Bn5/2q3R1/3r4/6N1/2pPP1Bp/4P1kP/Q7/K5N1

#2

11 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Bf3?
      • threat
        • 2.Qg2#
      • 1...Qa7
        • 2.Sf7#
      • 1...Ra6
        • 2.Se6#
      • 1...Qa5!
    • 1.Bxc7?
      • 1...Sb6
        • 2.Bxd6#
      • 1...Sa7
        • 2.Bxd6#
      • 1...Se7
        • 2.Bxd6#
      • 1...c3!
  • Keys
    • 1.S5f3!
      • threat
        • 2.Qh2#
      • 1...Qa5
        • 2.Bf5#
      • 1...Qa7
        • 2.Bd7#
      • 1...Ra6
        • 2.Be6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(H);
      • Threat
        • QAR1(C)
      • Vars
        • Q(e);P_PINQ(C),P_SPINR(d)::R(J)+S(I)
        • R(d);P_PINQ(C),P_SPINQ(e)::R(J)+S(I)
      • Refutation
        • Q(e);P_PINQ(C),P_SPINR(d)
    • Try
      • B(K);P_PINR(d),XQ(e)
      • Vars
        • S(f);N_GUARD::B(K),XR(d)
      • Refutation
        • P(b);
  • Actual
    • S(I);
    • Threat
      • QAB1(C)
    • Vars
      • Q(e);N_GUARD,P_PINQ(C),P_SPINR(d)::R(J)+B(H)
      • Q(e);P_PINQ(C),P_SPINR(d)::R(J)+B(H)
      • R(d);P_PINQ(C),P_SPINQ(e)::R(J)+B(H)
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