MESON Chess Problem Database

Problem Display
PID: 1978 (8/8/6p1/4p1B1/4Pn1p/1Q3R1P/4B1p1/2k3K1 w - - 0 1)

Cook, Eugene Beauharnais

Dubuque Times, 1866

8/8/6p1/4p1B1/4Pn1p/1Q3R1P/4B1p1/2k3K1

#2

7 + 6

1679 American Chess Nuts 1868
3360 Simple Two-move Themes 1924

SOLUTION

  • SOUND
  • Sets
    • 1...Kd2
      • 2.Qd1#
  • Tries
    • 1.Bh6?
      • 1...Kd2
        • 2.Qd1#
      • 1...g5!
    • 1.Rg3?
      • 1...Kd2
        • 2.Qd1#
      • 1...hxg3!
    • 1.Rxf4?
      • threat
        • 2.Rf1#
        • 2.Rf2#
        • 2.Rf3#
        • 2.Rg4#
        • 2.Rxh4#
        • 2.Rf5#
        • 2.Rf6#
        • 2.Rf7#
        • 2.Rf8#
      • 1...exf4
        • 2.Bxf4#
      • 1...Kd2!
    • 1.Qb1+?
      • 1...Kd2
        • 2.Qd1#
      • 1...Kxb1!
  • Keys
    • 1.Re3!
      • 1...Sxe2+
        • 2.Rxe2#
      • 1...Sxh3+
        • 2.Rxh3#
      • 1...Kd2
        • 2.Qc3#
      • 1...Sd3
        • 2.Rxd3#
      • 1...Sd5
        • 2.Rc3#
      • 1...Sh5
        • 2.Rc3#
      • 1...Se6
        • 2.Rc3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR1(C)
  • Tries
    • Try
      • B(G);
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • P(f);N_SPINS(c)
    • Try
      • R(D);
      • Vars
        • K(a);S_FLIGHT::QAR1(C)
      • Refutation
        • P(d);XR(D)
    • Try
      • R(D);XS(c)
      • Threat
        • DUALS(9)
      • Vars
        • P(e);OGATE,P_SPINP(e),XR(D)::B(G),XP(e)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(C)
      • Refutation
        • K(a);N_SPINS(c),P-FLIGHT,XQ(C)
  • Actual
    • R(D);N_PINS(c)
    • Vars
      • S(c);CHECK,OGATE,XB(B)::B(G)+R(D),XS(c)
      • S(c);CHECK,OGATE,XP(E)::B(G)+R(D),XS(c)
      • K(a);S_FLIGHT::QAB1(C)
      • S(c);OGATEB::B(G)+R(D),XS(c)
      • S(c);::B(G)+R(D),DCHECK
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