MESON Chess Problem Database

Problem Display
PID: 2259 (8/1N6/5R2/8/3pp3/r2k4/pQ4P1/Rb2K3 w Q - 0 1)

Cook, Eugene Beauharnais

Source?, 0000

8/1N6/5R2/8/3pp3/r2k4/pQ4P1/Rb2K3

#2

6 + 6

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Qd2#
      • 2.Qe2#
    • 1...Rb3
      • 2.Qxb3#
    • 1...Rc3
      • 2.Qe2#
    • 1...Ra4
      • 2.Qb3#
    • 1...Ra5
      • 2.Qb3#
    • 1...Ra6
      • 2.Qb3#
    • 1...Ra7
      • 2.Qb3#
    • 1...Ra8
      • 2.Qb3#
  • Tries
    • 1.Sc5+?
      • 1...Ke3
        • 2.Qc1#
        • 2.Qd2#
        • 2.Qe2#
        • 2.Qf2#
      • 1...Kc4!
    • 1.Qxa3+?
      • 1...Kc2
        • 2.Rf2#
        • 2.Rc6#
      • 1...Kc4!
    • 1.Qb5+?
      • 1...Kc3
        • 2.Rc6#
      • 1...Ke3
        • 2.Qe2#
      • 1...Kc2!
  • Keys
    • 1.Rd6!
      • 1...Ke3
        • 2.Qd2#
      • 1...Kc4
        • 2.Rxd4#
      • 1...Bc2
        • 2.Qxd4#
      • 1...Rb3
        • 2.Qxb3#
      • 1...Rc3
        • 2.Qe2#
      • 1...Ra4
        • 2.Qb3#
      • 1...Ra5
        • 2.Qb3#
      • 1...Ra6
        • 2.Qb3#
      • 1...Ra7
        • 2.Qb3#
      • 1...Ra8
        • 2.Qb3#
      • 1...e3
        • 2.Rxd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(c);N_GUARD::QAR2(C),XR(c)
    • R(c);SBLOCK::QAB1(C)
    • R(c);N_GUARD::QAR2(C)
  • Tries
    • Try
      • S(F);CHECK
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(C);CHECK,XR(c)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(d);P-FLIGHT::R(E)
        • K(d);OGATE,P-FLIGHT::QAR1(C)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • R(E);P_PINP(e)
    • Vars
      • K(d);N_SPINP(e),P-FLIGHT::QAB1(C)
      • K(d);N_SPINP(e),S_FLIGHT::R1(E),XP(e)
      • B(a);SBLOCK::QAR1(C),XP(e)
      • R(c);N_GUARD::QAR2(C),XR(c)
      • R(c);SBLOCK::QAB1(C)
      • R(c);N_GUARD::QAR2(C)
      • P(f);SBLOCK::R1(E),XP(e)
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