MESON Chess Problem Database

Problem Display
PID: 100783 (5B2/3p4/1p2p1Kp/1p2k1nP/1N6/3P4/2Q2P2/8 w - - 0 1)

Traxler, Karel Peter

Narodni listy, 1899

5B2/3p4/1p2p1Kp/1p2k1nP/1N6/3P4/2Q2P2/8

#2

7 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qb2#
  • Tries
    • 1.Bd6+?
      • 1...Kd4
        • 2.Qb2#
      • 1...Kxd6!
    • 1.Qc1?
      • 1...Kd4
        • 2.Qb2#
        • 2.Qa1#
      • 1...Sf3
        • 2.Qe3#
      • 1...Sh3
        • 2.Qe3#
      • 1...Sf7
        • 2.Qe3#
      • 1...Sh7
        • 2.Qe3#
      • 1...d5
        • 2.Sc6#
      • 1...d6
        • 2.Bg7#
      • 1...Se4!
    • 1.Qe2+?
      • 1...Kd4
        • 2.Qb2#
      • 1...Se4
        • 2.Qxe4#
      • 1...Kf4!
    • 1.Qc4?
      • threat
        • 2.f4#
      • 1...Se4
        • 2.Qxe4#
      • 1...Sf3
        • 2.Qe4#
      • 1...Sh3
        • 2.Qe4#
      • 1...bxc4!
    • 1.Qc7+?
      • 1...d6
        • 2.Qxd6#
      • 1...Kd4!
  • Keys
    • 1.Qd2!
      • 1...Kd4
        • 2.Qb2#
      • 1...Sf3
        • 2.Qe3#
      • 1...Sh3
        • 2.Qe3#
      • 1...Se4
        • 2.d4#
      • 1...Sf7
        • 2.Qe3#
      • 1...Sh7
        • 2.Qe3#
      • 1...d5
        • 2.Sc6#
      • 1...d6
        • 2.Bg7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB(A)
  • Tries
    • Try
      • B(G);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB(A)
      • Refutation
        • K(b);S_FLIGHT,XB(G)
    • Try
      • Q(A);
      • Vars
        • S(c);N_GUARD::QAR2(A)
        • P(g);N_GUARD,SBLOCK::S(D)
        • P(g);SBLOCK::B(G)
      • Refutation
        • S(c);
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB(A)
        • S(c);N_GUARD,P_SPINS(c)::QAR1(A),XS(c)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • P(B)
      • Vars
        • S(c);N_GUARD::QAR1(A),XS(c)
        • S(c);N_GUARD::QAR1(A)
      • Refutation
        • P(a);XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • P(g);P_SPINP(g)::QAB1(A),XP(g)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(b);S_FLIGHT::QAB(A)
      • S(c);N_GUARD::QAR2(A)
      • S(c);SBLOCK::P(C)
      • P(g);N_GUARD,SBLOCK::S(D)
      • P(g);SBLOCK::B(G)
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