MESON Chess Problem Database

Problem Display
PID: 87853 (1BN3B1/4N3/4pp2/3r2p1/2PPk1b1/4Pn2/2P2KP1/8 w - - 0 1)

Trifunovic, Miroljub

American Chess Problemist, 1950

1BN3B1/4N3/4pp2/3r2p1/2PPk1b1/4Pn2/2P2KP1/8

#2

10 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra5
      • 2.Sd6#
    • 1...Rb5
      • 2.Sd6#
    • 1...Rc5
      • 2.Sd6#
    • 1...Re5
      • 2.Sd6#
    • 1...Rf5
      • 2.Sd6#
    • 1...Rd6
      • 2.Sxd6#
    • 1...Bh3
      • 2.gxf3#
    • 1...Bf5
      • 2.gxf3#
    • 1...e5
      • 2.Bxd5#
  • Tries
    • 1.Sxd5?
      • threat
        • 2.Sd6#
      • 1...Kf5
        • 2.Bh7#
      • 1...Sxd4!
    • 1.Bh7+?
      • 1...Rf5
        • 2.Sd6#
      • 1...Bf5
        • 2.gxf3#
      • 1...f5!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Sg3#
      • 1...Kxf5
        • 2.Bh7#
      • 1...Rxf5
        • 2.Sd6#
      • 1...Bxf5
        • 2.gxf3#
      • 1...exf5
        • 2.Bxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • R(d);N_GUARD::S(I)
    • R(d);N_GUARD::S(I),XR(d)
    • B(c);N_GUARD::P(C),XS(a)
    • P(f);OGATE::B(J),XR(d)
  • Tries
    • Try
      • S(G);XR(d)
      • Threat
        • S(I)
      • Vars
        • K(b);S_FLIGHT::B(J)
      • Refutation
        • S(a);XP(F)
    • Try
      • B(J);CHECK
      • Vars
        • R(d);P_SPINR(d)::S(I)
        • B(c);P_SPINB(c)::P(C),XS(a)
      • Refutation
        • P(g);P_SPINP(g)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • K(b);OGATEB,S_FLIGHT,XS(G)::B(J)
      • R(d);N_GUARD,XS(G)::S(I)
      • B(c);N_GUARD,SBLOCK,XS(G)::P(C),XS(a)
      • P(f);OGATE,SBLOCK,XS(G)::B(J),XR(d)
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