MESON Chess Problem Database

Problem Display
PID: 137170 (8/1nB5/2Nr3Q/P1k2KRp/Pp6/8/2P3B1/2R5 w - - 0 1)

Kovacevic, Marjan

Mat Plus, 0000

8/1nB5/2Nr3Q/P1k2KRp/Pp6/8/2P3B1/2R5

#2

10 + 5

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Rd3
      • 2.cxd3#
    • 1...b3
      • 2.cxb3#
  • Tries
    • 1.Qxd6+?
      • 1...Kc4
        • 2.Qxb4#
        • 2.Qd4#
      • 1...Sxd6+!
  • Keys
    • 1.c4!
      • threat
        • 2.Bb6#
      • 1...Rd5+
        • 2.cxd5#
      • 1...Rf6+
        • 2.Kxf6#
      • 1...Rxc6
        • 2.Ke4#
      • 1...Rxh6
        • 2.Kf4#
      • 1...Sxa5
        • 2.Qxd6#
      • 1...bxc4 ep
        • 2.Rxc3#
      • 1...Re6
        • 2.Kxe6#
      • 1...Rg6
        • 2.Kxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 2
  • Sets
    • R(d);OGATE::R(A)+P(B),XR(d)
    • P(a);OGATE::R(A)+P(B),XP(a)
  • Tries
    • Try
      • Q(I);CHECK,XR(d)
      • Refutation
        • S(e);CHECK,XQ(I)
  • Actual
    • P(B);
    • Threat
      • B(J)
    • Vars
      • R(d);CHECK,OGATE::R(A)+P(B),XR(d)
      • R(d);CHECK::R(G)+K(F),XR(d)
      • R(d);N_GUARD,XS(H)::R(G)+K(F)
      • R(d);N_GUARD,XQ(I)::R(G)+K(F)
      • S(e);N_GUARD,XP(E)::QAB1(I),XR(d)
      • P(a);EP,OGATEB,P_SPINP(a),XP(B)::R(A),XP(a)
      • R(d);::R(G)+K(F),XR(d)
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