MESON Chess Problem Database

Problem Display
PID: 270540 (8/1QK2n2/b3p3/p1P5/3kN2R/3B3R/3p3B/r7 w - - 0 1)

Radovic, Srecko

Probleemblad, 2022

8/1QK2n2/b3p3/p1P5/3kN2R/3B3R/3p3B/r7

#2

8 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Sxd2+?
      • 1...Kxc5
        • 2.Sb3#
        • 2.Qc6#
      • 1...Kc3!
    • 1.Sf2+?
      • 1...Kxc5
        • 2.Qc6#
      • 1...Kc3!
    • 1.Sc3+?
      • 1...Kxc5
        • 2.Qc6#
        • 2.Qb6#
        • 2.Qa7#
      • 1...Kxc3!
    • 1.Sg5+?
      • 1...Kxc5
        • 2.Sxe6#
        • 2.Qc6#
      • 1...Kc3!
    • 1.Sd6+?
      • 1...Kxc5
        • 2.Qc6#
      • 1...Kc3!
    • 1.Sf6+?
      • 1...Kxc5
        • 2.Sd7#
        • 2.Qc6#
        • 2.Qb6#
        • 2.Qa7#
      • 1...Kc3!
    • 1.Qb4+?
      • 1...Kd5
        • 2.Sc3#
        • 2.Sf6#
      • 1...Bc4
        • 2.Sc3#
        • 2.Sf6#
        • 2.Qxc4#
      • 1...axb4!
  • Keys
    • 1.Sg3+!
      • 1...Kc3
        • 2.Se2#
      • 1...Kxd3
        • 2.Qb3#
      • 1...Ke3
        • 2.Sh1#
      • 1...Kxc5
        • 2.Qc6#
      • 1...Ke5
        • 2.Sh5#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK,XP(b)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • S(D);CHECK
      • Vars
        • K(c);N_GUARD,S_FLIGHT,XP(F)::QAR1(G)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • S(D);CHECK
      • Refutation
        • K(c);S_FLIGHT,XS(D)
    • Try
      • S(D);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • S(D);CHECK
      • Vars
        • K(c);N_GUARD,S_FLIGHT,XP(F)::QAR1(G)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • S(D);CHECK
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(G);CHECK
      • Refutation
        • P(d);XQ(G)
  • Actual
    • S(D);CHECK
    • Vars
      • K(c);N_GUARD,S_FLIGHT::S(D)
      • K(c);N_GUARD,P-FLIGHT,XB(B)::QAR2(G)
      • K(c);N_GUARD,S_FLIGHT::R(C)+S(D)
      • K(c);N_GUARD,S_FLIGHT,XP(F)::QAR1(G)
      • K(c);N_GUARD,S_FLIGHT::B(A)+S(D)
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Developed and maintained by Brian Stephenson.
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