MESON Chess Problem Database

Problem Display
PID: 63651 (8/n1p5/2Rp4/3k4/1K3pB1/5P2/1Q6/2R5 w - - 0 1)

Jensen, Thomas

Source?, 1875

8/n1p5/2Rp4/3k4/1K3pB1/5P2/1Q6/2R5

#2

6 + 5

16 Chess Amateur (The) 1909

SOLUTION

  • SOUND
  • Tries
    • 1.Qe2?
      • threat
        • 2.Qe4#
      • 1...Kd4
        • 2.Rd1#
        • 2.Qe4#
      • 1...Sxc6+!
  • Keys
    • 1.Kc3!
      • 1...Sb5+
        • 2.Qxb5#
      • 1...Ke5
        • 2.Kc4#
      • 1...Kxc6
        • 2.Kd4#
      • 1...Sxc6
        • 2.Qb5#
      • 1...Sc8
        • 2.Qb5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Threat
        • QAB1(B)
      • Refutation
        • S(d);CHECK,XR(F)
  • Actual
    • K(D);S_FLIGHT
    • Vars
      • S(d);CHECK,N_GUARD::QAR2(B),XS(d)
      • K(b);P-FLIGHT::QAB(B)+K(D)
      • K(b);S_FLIGHT,XR(F)::R(A)+K(D)
      • S(d);N_GUARD,XR(F)::QAR2(B)
      • S(d);N_GUARD::QAR2(B)
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