MESON Chess Problem Database

Problem Display
PID: 167268 (1B6/8/3rp3/6RK/1P1kP3/1Pp1p3/4P3/4Q3 w - - 0 1)

Lindquist, Carl Emil Richard

Nya Dagligt Allehanda, 1905

1B6/8/3rp3/6RK/1P1kP3/1Pp1p3/4P3/4Q3

#2

8 + 5

15 British Chess Magazine 1910

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe4
      • 2.Qh4#
  • Tries
    • 1.Ba7+?
      • 1...Kxe4
        • 2.Qh4#
      • 1...Rb6!
    • 1.Re5?
      • 1...Rd5
        • 2.Qd1#
      • 1...Ra6
        • 2.Qd1#
      • 1...Rb6
        • 2.Qd1#
      • 1...Rc6
        • 2.Qd1#
      • 1...Rd7
        • 2.Qd1#
      • 1...Rd8
        • 2.Qd1#
      • 1...c2
        • 2.Qa1#
      • 1...Kxe5!
    • 1.Qxc3+?
      • 1...Kxe4
        • 2.Qe5#
      • 1...Kxc3!
    • 1.Qg3?
      • threat
        • 2.Qe5#
      • 1...Kxe4
        • 2.Qh4#
        • 2.Qe5#
        • 2.Qg4#
      • 1...e5
        • 2.Qxe5#
      • 1...Rd5!
  • Keys
    • 1.Rg4!
      • 1...Rd5+
        • 2.e5#
      • 1...Ke5
        • 2.Qxc3#
      • 1...Ra6
        • 2.Qd1#
      • 1...Rb6
        • 2.Qd1#
      • 1...Rc6
        • 2.Qd1#
      • 1...Rd7
        • 2.Qd1#
      • 1...Rd8
        • 2.Qd1#
      • 1...c2
        • 2.Qa1#
      • 1...e5
        • 2.Qd1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 1
  • Sets
    • K(c);OGATEB,P-FLIGHT,XP(E)::QAR(A)
  • Tries
    • Try
      • B(H);CHECK
      • Vars
        • K(c);P-FLIGHT,XP(E)::QAR(A)
      • Refutation
        • R(d);P_SPINR(d)
    • Try
      • R(F);
      • Vars
        • R(d);P_PINR(F)::QAR(A)
        • R(d);::QAR(A)
        • P(a);OGATEB::QAB(A)
      • Refutation
        • K(c);P_SPINR(d),S_FLIGHT,XR(F)
    • Try
      • Q(A);CHECK,XP(a)
      • Vars
        • K(c);OGATE,P-FLIGHT,XP(E)::QAR1(A)
      • Refutation
        • K(c);S_FLIGHT,XQ(A)
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • P(e);::QAB1(A),XP(e)
      • Refutation
        • R(d);P_PINR(F)
  • Actual
    • R(F);
    • Vars
      • R(d);CHECK,SBLOCK::R(F)+P(E)
      • K(c);P_SPINR(d),S_FLIGHT::QAB(A),XP(a)
      • R(d);::QAR(A)
      • P(a);OGATEB::QAB(A)
      • P(e);SBLOCK::QAR(A)
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