MESON Chess Problem Database

Problem Display
PID: 129863 (8/Kp6/2B3Q1/2k3P1/1p5B/1P6/3PNb2/n4q2 w - - 0 1)

Drnek, Josef

Nove parizske mody, 1904

8/Kp6/2B3Q1/2k3P1/1p5B/1P6/3PNb2/n4q2

#2

8 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qb1
      • 2.Bxf2#
    • 1...Qc1
      • 2.Bxf2#
    • 1...Qd1
      • 2.Bxf2#
    • 1...Qh1
      • 2.Bxf2#
    • 1...Be1
      • 2.d4#
    • 1...Bg3
      • 2.d4#
    • 1...Bxh4
      • 2.d4#
  • Tries
    • 1.Bxb7?
      • threat
        • 2.Qb6#
        • 2.Qc6#
      • 1...Qxe2
        • 2.Qb6#
      • 1...Sxb3
        • 2.Qc6#
      • 1...Qg2
        • 2.Qb6#
      • 1...Qh1
        • 2.Qb6#
      • 1...Kb5+!
    • 1.Qe6?
      • threat
        • 2.Qd5#
      • 1...bxc6
        • 2.Qe5#
      • 1...Qh1
        • 2.Bxf2#
      • 1...Qg2!
  • Keys
    • 1.Bg3!
      • threat
        • 2.Qd6#
      • 1...Bxg3
        • 2.d4#
      • 1...Sxb3
        • 2.Qc2#
      • 1...bxc6
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • Q(b);N_GUARD::B(D),XB(c)
    • B(c);N_GUARD::P(A)
    • B(c);N_GUARD,XB(D)::P(A)
  • Tries
    • Try
      • B(F);XP(f)
      • Threat
        • DUALS(2)
      • Vars
        • Q(b);XS(B)::QAB1(G)
        • S(a);XP(C)::QAR1(G)
        • Q(b);::QAB1(G)
      • Refutation
        • K(e);CHECK,P-FLIGHT
    • Try
      • Q(G);
      • Threat
        • QAR1(G)
      • Vars
        • P(f);SBLOCK,XB(F)::QAR2(G)
        • Q(b);N_GUARD::B(D),XB(c)
      • Refutation
        • Q(b);
  • Actual
    • B(D);
    • Threat
      • QAB1(G)
    • Vars
      • B(c);N_GUARD,XB(D)::P(A)
      • S(a);N_GUARD,XP(C)::QAR(G)
      • P(f);SBLOCK,XB(F)::QAR(G)
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