MESON Chess Problem Database

Problem Display
PID: 108953 (r3k3/3n1pK1/p2P1P2/7b/B7/5p2/1R6/5Q1R w q - 0 1)

Miloseski, Bosko

2nd HM., Vratnica-64, 2006

r3k3/3n1pK1/p2P1P2/7b/B7/5p2/1R6/5Q1R

#2

7 + 7

7551 Vratnica-64 2007
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra7
      • 2.Rb8#
    • 1...Rb8
      • 2.Rxb8#
    • 1...Rd8
      • 2.Qe1#
    • 1...Bg4
      • 2.Rh8#
    • 1...Bg6
      • 2.Rh8#
    • 1...0-0-0
      • 2.Qxa6#
  • Tries
    • 1.Rxh5?
      • threat
        • 2.Rh8#
      • 1...0-0-0
        • 2.Qxa6#
      • 1...Kd8!
    • 1.Qb5?
      • threat
        • 2.Qxd7#
      • 1...Kd8
        • 2.Qxd7#
      • 1...0-0-0
        • 2.Qxa6#
        • 2.Qc6#
        • 2.Qb7#
      • 1...Ra7
        • 2.Qb8#
      • 1...Rd8
        • 2.Re1#
        • 2.Qe5#
      • 1...Bg4
        • 2.Rh8#
      • 1...axb5!
    • 1.Qxa6?
      • threat
        • 2.Qxa8#
      • 1...Rxa6
        • 2.Rb8#
      • 1...Rc8
        • 2.Qxc8#
      • 1...Ra7
        • 2.Rb8#
        • 2.Qc8#
      • 1...Rb8
        • 2.Rxb8#
      • 1...Rd8
        • 2.Re1#
      • 1...Kd8!
  • Keys
    • 1.Qh3!
      • threat
        • 2.Qxd7#
      • 1...Kd8
        • 2.Qxd7#
      • 1...0-0-0
        • 2.Rc1#
      • 1...Ra7
        • 2.Rb8#
      • 1...Rd8
        • 2.Re1#
      • 1...Bg4
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • R(f);N_GUARD::R(C)
    • R(f);N_GUARD::R(C),XR(f)
    • R(f);SBLOCK::QAB(A)
    • B(b);OGATE::R(B)
    • K(g);0-0-0,N_SPINS(d),OGATEB::QAB(A),XP(c)
  • Tries
    • Try
      • R(B);XB(b)
      • Threat
        • R(B)
      • Vars
        • K(g);0-0-0,N_SPINS(d),OGATEB::QAB(A),XP(c)
      • Refutation
        • K(g);N_SPINS(d),P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB1(A),XS(d)
      • Vars
        • K(g);N_SPINS(d),P-FLIGHT::QAR1(A),XS(d)
        • R(f);N_GUARD::QAR(A)
        • B(b);OGATE::R(B)
      • Refutation
        • P(c);N_SPINS(d),XQ(A)
    • Try
      • Q(A);XP(c)
      • Threat
        • QAR(A),XR(f)
      • Vars
        • R(f);N_GUARD,XQ(A)::R(C)
        • R(f);N_GUARD::QAR2(A),XR(f)
        • R(f);N_GUARD::R(C),XR(f)
        • R(f);SBLOCK::R(B)
      • Refutation
        • K(g);N_SPINS(d),P-FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAB1(A),XS(d)
    • Vars
      • K(g);N_SPINS(d),P-FLIGHT::QAR1(A),XS(d)
      • K(g);0-0-0,OGATEB::R(B)
      • R(f);N_GUARD::R(C)
      • R(f);SBLOCK::R(B)
      • B(b);OGATE::QAR(A)
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