MESON Chess Problem Database

Problem Display
PID: 98516 (3R1R2/4N1p1/2P1p1P1/KpPpkp2/2p1n3/4Q3/1N2n3/4B2B w - - 0 1)

Petkov, Petko Andonov

Problemas, 1974

3R1R2/4N1p1/2P1p1P1/KpPpkp2/2p1n3/4Q3/1N2n3/4B2B

#2

11 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...c3
      • 2.Sd3#
  • Tries
    • 1.Sxf5?
      • 1...exf5
        • 2.Rde8#
      • 1...Sc1
        • 2.Bg3#
      • 1...Sg1
        • 2.Bg3#
      • 1...Sc3
        • 2.Bg3#
      • 1...Sg3
        • 2.Bxg3#
      • 1...Sd4
        • 2.Bg3#
      • 1...Sf4
        • 2.Qd4#
      • 1...c3
        • 2.Sd3#
      • 1...d4
        • 2.Qxe4#
      • 1...b4!
  • Keys
    • 1.Sxd5!
      • 1...exd5
        • 2.Rde8#
      • 1...Sc1
        • 2.Bc3#
      • 1...Sg1
        • 2.Bc3#
      • 1...Sc3
        • 2.Bxc3#
      • 1...Sg3
        • 2.Bc3#
      • 1...Sd4
        • 2.Qf4#
      • 1...Sf4
        • 2.Bc3#
      • 1...c3
        • 2.Sd3#
      • 1...b4
        • 2.Sxc4#
      • 1...f4
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • P(b);N_GUARD::S(C)
  • Tries
    • Try
      • S(I);XP(g)
      • Vars
        • P(h);OGATEB,XS(I)::R(J)
        • S(a);N_GUARD::B(A)
        • S(a);N_GUARD::B(A),XS(a)
        • S(a);N_GUARD,SBLOCK::QAB1(D)
        • P(b);N_GUARD::S(C)
        • P(e);N_GUARD::QAR1(D),XS(c)
      • Refutation
        • P(d);
  • Actual
    • S(I);XP(e)
    • Vars
      • P(h);OGATEB,SBLOCK,XS(I)::R(J)
      • S(a);N_GUARD::B(A)
      • S(a);N_GUARD::B(A),XS(a)
      • S(a);N_GUARD,SBLOCK::QAB1(D)
      • P(b);N_GUARD::S(C)
      • P(d);N_GUARD::S(C),XP(b)
      • P(g);N_GUARD::QAR1(D),XS(c)
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