MESON Chess Problem Database

Problem Display
PID: 144781 (6B1/8/P5pB/4ppR1/Q2Rp2N/4kP1N/1KP5/5n2 w - - 0 1)

Pulitzer, Walter

British Chess Magazine, 1899

6B1/8/P5pB/4ppR1/Q2Rp2N/4kP1N/1KP5/5n2

#2

11 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Rxe4+?
      • 1...Kd2
        • 2.Qd7#
      • 1...fxe4!
    • 1.Rg2+?
      • 1...f4
        • 2.Rxe4#
      • 1...g5!
    • 1.Qb3+?
      • 1...Kxd4
        • 2.Qc3#
        • 2.Qb6#
      • 1...Ke2!
    • 1.Qa3+?
      • 1...Kxd4
        • 2.Qc3#
      • 1...Ke2!
    • 1.Qb4?
      • 1...Ke2
        • 2.Rg2#
      • 1...exd4
        • 2.Qe1#
      • 1...f4
        • 2.Rxe4#
      • 1...Sd2
        • 2.Qxd2#
      • 1...Sh2
        • 2.Qd2#
      • 1...Sg3
        • 2.Qd2#
      • 1...exf3!
  • Keys
    • 1.Qa5!
      • 1...Ke2
        • 2.Rg2#
      • 1...Kxd4
        • 2.Qc3#
        • 2.Qb6#
      • 1...exf3
        • 2.Qxe5#
      • 1...exd4
        • 2.Qe1#
      • 1...f4
        • 2.Rxe4#
      • 1...Sd2
        • 2.Qxd2#
      • 1...Sh2
        • 2.Qd2#
      • 1...Sg3
        • 2.Qd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);CHECK,XP(c)
      • Vars
        • K(b);S_FLIGHT::QAR(E)
      • Refutation
        • P(e);XR(F)
    • Try
      • R(H);CHECK
      • Vars
        • P(e);P_SPINP(e)::R1(F),XP(c)
      • Refutation
        • P(f);P_SPINP(f)
    • Try
      • Q(E);CHECK
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(b);S_FLIGHT,XR(F)::QAB1(E)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(b);P-FLIGHT::R(H)
        • P(d);SBLOCK,XR(F)::QAR2(E)
        • P(e);N_GUARD::R1(F),XP(c)
        • S(a);N_GUARD::QAB1(E),XS(a)
        • S(a);N_GUARD::QAB1(E)
      • Refutation
        • P(c);XP(C)
  • Actual
    • Q(E);
    • Vars
      • K(b);P-FLIGHT::R(H)
      • P(c);OGATEB,XP(C)::QAR2(E),XP(d)
      • P(d);SBLOCK,XR(F)::QAR2(E)
      • P(e);N_GUARD::R1(F),XP(c)
      • S(a);N_GUARD::QAB1(E),XS(a)
      • S(a);N_GUARD::QAB1(E)
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