MESON Chess Problem Database

Problem Display
PID: 163415 (1q2b3/bNnpR3/1n5p/4P2r/1pprkN2/5R2/3p2QB/3K4 w - - 0 1)

Kapustin, Fedor Mikhailovich

Kuligin, Nikolai Volodimirovich

HM., Sachmatija, 2004

1q2b3/bNnpR3/1n5p/4P2r/1pprkN2/5R2/3p2QB/3K4

#2

8 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Rf5
      • 2.Sc5#
      • 2.Ra3#
      • 2.Rb3#
      • 2.Rc3#
      • 2.Rd3#
      • 2.Rh3#
      • 2.Qe2#
    • 1...Sbd5
      • 2.Sd6#
    • 1...d5
      • 2.Sd6#
  • Tries
    • 1.Rf1+?
      • 1...Ke3
        • 2.Bg1#
        • 2.Qf3#
        • 2.Qe2#
      • 1...Kf5!
    • 1.Rf2+?
      • 1...Ke3
        • 2.Re2#
        • 2.Qf3#
      • 1...Kf5!
    • 1.Re3+?
      • 1...Kxe3
        • 2.Qe2#
      • 1...Kf5!
    • 1.Rg3+?
      • 1...Kxf4
        • 2.Qf3#
      • 1...Kf5!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Sf6#
      • 1...Kxd5
        • 2.Rd3#
      • 1...Rxd5
        • 2.Qg4#
      • 1...Sbxd5
        • 2.Sd6#
      • 1...Scxd5
        • 2.Sc5#
      • 1...Rd3
        • 2.Rf4#
      • 1...Rf5
        • 2.Re3#

There are these versions: 64880

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • S(g);S_CUTR(d)::S(G)
    • P(k);S_CUTR(d)::S(G)
  • Tries
    • Try
      • R(D);CHECK
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • R(D);CHECK
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • R(D);CHECK
      • Vars
        • K(e);P-FLIGHT,XR(D)::QAR1(B)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • R(D);CHECK
      • Vars
        • K(e);P-FLIGHT,XS(E)::QAR1(B)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(e);S_FLIGHT,XS(E)::QAB(B)+R(D)
      • R(d);SBLOCK,XS(E)::QAR2(B)
      • S(g);SBLOCK,XS(E)::S(G)
      • S(j);SBLOCK,XS(E)::S(G)
      • R(d);SBLOCK::QAB(B)+R(D),DCHECK
      • R(f);SBLOCK::QAB(B)+R(D),DCHECK
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