MESON Chess Problem Database

Problem Display
PID: 166287 (Q7/4k3/1P3r1B/2N2p2/5K2/6R1/8/8 w - - 0 1)

Traxler, Karel Peter

Casopis ceskoslovenskych sachistu, 1906

Q7/4k3/1P3r1B/2N2p2/5K2/6R1/8/8

#2

6 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kf7
      • 2.Rg7#
      • 2.Qf8#
    • 1...Rxb6
      • 2.Qf8#
    • 1...Rc6
      • 2.Qf8#
    • 1...Rd6
      • 2.Qf8#
    • 1...Re6
      • 2.Qf8#
    • 1...Rg6
      • 2.Qf8#
    • 1...Rf8
      • 2.Qxf8#
  • Tries
    • 1.Bf8+?
      • 1...Kf7
        • 2.Rg7#
      • 1...Rxf8!
    • 1.Re3+?
      • 1...Kf7
        • 2.Qe8#
      • 1...Re6
        • 2.Qf8#
      • 1...Kd6!
    • 1.Rg8?
      • 1...Kf7
        • 2.Rg7#
        • 2.Qe8#
        • 2.Qf8#
      • 1...Rxb6
        • 2.Qf8#
      • 1...Rxh6
        • 2.Qf8#
      • 1...Rc6
        • 2.Qf8#
      • 1...Re6
        • 2.Qf8#
      • 1...Rg6
        • 2.Qf8#
      • 1...Rf8
        • 2.Qxf8#
      • 1...Rf7
        • 2.Qd8#
      • 1...Rd6
        • 2.Qf8#
      • 1...Kd6!
    • 1.Qb7+?
      • 1...Kd8
        • 2.Qd7#
      • 1...Ke8
        • 2.Qd7#
      • 1...Kd6!
    • 1.Qa7+?
      • 1...Kd8
        • 2.Qd7#
      • 1...Ke8
        • 2.Qd7#
      • 1...Kd6!
    • 1.Qd8+?
      • 1...Kf7
        • 2.Rg7#
        • 2.Qd7#
        • 2.Qf8#
      • 1...Kxd8!
  • Keys
    • 1.Rg6!
      • 1...Kd6
        • 2.Bf8#
      • 1...Kf7
        • 2.Rg7#
      • 1...Rxb6
        • 2.Qf8#
      • 1...Rxg6
        • 2.Qf8#
      • 1...Rf7
        • 2.Re6#
      • 1...Rc6
        • 2.Qf8#
      • 1...Rd6
        • 2.Qf8#
      • 1...Re6
        • 2.Qf8#
      • 1...Rf8
        • 2.Qxf8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(b);N_GUARD,XP(D)::QAB1(F)
    • R(b);N_GUARD::QAB1(F)
    • R(b);N_GUARD,SBLOCK::QAB1(F)
    • R(b);N_GUARD::QAB1(F),XR(b)
  • Tries
    • Try
      • B(E);CHECK
      • Vars
        • K(c);P-FLIGHT::R1(A)
      • Refutation
        • R(b);XB(E)
    • Try
      • R(A);CHECK
      • Vars
        • K(c);P-FLIGHT::QAB1(F)
        • R(b);P_SPINR(b)::QAB1(F)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • R(b);N_GUARD,XP(D)::QAB1(F)
        • R(b);N_GUARD,XB(E)::QAB1(F)
        • R(b);N_GUARD::QAB1(F)
        • R(b);N_GUARD::QAB1(F),XR(b)
        • R(b);SBLOCK::QAB1(F)
        • R(b);N_GUARD,SBLOCK::QAB1(F)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(c);S_FLIGHT::QAR1(F)
        • K(c);P-FLIGHT::QAB1(F)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Vars
        • K(c);S_FLIGHT::QAR1(F)
        • K(c);P-FLIGHT::QAB1(F)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(F);CHECK
      • Refutation
        • K(c);S_FLIGHT,XQ(F)
  • Actual
    • R(A);
    • Vars
      • K(c);P_SPINR(b),S_FLIGHT::B(E)
      • K(c);P-FLIGHT::R1(A)
      • R(b);N_GUARD,XP(D)::QAB1(F)
      • R(b);N_GUARD,XR(A)::QAB1(F)
      • R(b);OGATE,SBLOCK::R1(A)
      • R(b);N_GUARD::QAB1(F)
      • R(b);N_GUARD::QAB1(F),XR(b)
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