MESON Chess Problem Database

Problem Display
PID: 16998 (6r1/1b4BB/5q1n/2p5/2P4r/p3p2P/4Q3/k3K2R w K - 0 1)

Giobel, Bengt Rudolf

Eskilstuna Kuriren, 1945

6r1/1b4BB/5q1n/2p5/2P4r/p3p2P/4Q3/k3K2R

#2

7 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qc3+
      • 2.Bxc3#
    • 1...Qd4
      • 2.0-0#
    • 1...Qe5
      • 2.0-0#
    • 1...Rxh3
      • 2.Bxf6#
    • 1...Bf3
      • 2.0-0#
    • 1...Sf5
      • 2.0-0#
  • Tries
    • 1.Qd1+?
      • 1...Ka2
        • 2.Qb1#
      • 1...Kb2!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Qb1#
      • 1...Qc3+
        • 2.Bxc3#
      • 1...Re4
        • 2.Ke2#
      • 1...Be4
        • 2.Bxf6#
      • 1...Sf5
        • 2.0-0#
      • 1...a2
        • 2.Qc1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • Q(f);CHECK,OGATE::B(F),XQ(f)
    • Q(f);::0-0
    • R(d);N_GUARD,XP(D)::B(F),XQ(f)
    • B(h);::0-0
    • S(g);::0-0
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);N_SPINQ(f),P-FLIGHT::QAB1(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(C);
    • Threat
      • QAR1(C)
    • Vars
      • Q(f);CHECK,OGATE::B(F),XQ(f)
      • R(d);S_CUTB(h)::R(B)+K(A)
      • B(h);S_CUTR(d)::B(F),XQ(f)
      • S(g);::0-0
      • P(b);SBLOCK::QAR2(C)
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