MESON Chess Problem Database

Problem Display
PID: 94556 (B4b2/B2p4/6N1/2P4p/3k2qR/1P1N3R/3PPp2/4nKn1 w - - 0 1)

Benedek, Attila

2nd Prize, British Chess Magazine 02. TT, 1986

B4b2/B2p4/6N1/2P4p/3k2qR/1P1N3R/3PPp2/4nKn1

#2

11 + 8

14674 Attila Benedek - That's All 2007
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qe4
      • 2.Rxe4#
    • 1...Qf4
      • 2.Rxf4#
    • 1...Qxh4
      • 2.Rxh4#
    • 1...Bxc5
      • 2.Bxc5#
    • 1...Bd6
      • 2.cxd6#
    • 1...Sxd3
      • 2.Rxd3#
      • 2.e3#
    • 1...d5
      • 2.cxd5 ep#
    • 1...d6
      • 2.cxd6#
  • Tries
    • 1.Sc1?
      • threat
        • 2.e3#
      • 1...Sxe2
        • 2.Sxe2#
      • 1...d5
        • 2.cxd5 ep#
      • 1...Sc2
        • 2.Rd3#
      • 1...Sg2
        • 2.Rd3#
      • 1...Bh6!
  • Keys
    • 1.Sdf4!
      • threat
        • 2.e3#
      • 1...Qxe2+
        • 2.Sxe2#
      • 1...Qxh3+
        • 2.Sxh3#
      • 1...Qg2+
        • 2.Sxg2#
      • 1...Qxf4
        • 2.Rxf4#
      • 1...Qxg6
        • 2.Sxg6#
      • 1...Sxe2
        • 2.Sxe2#
      • 1...d5
        • 2.cxd5 ep#
      • 1...Qf3
        • 2.Se6#
      • 1...Qe6
        • 2.Sxe6#
      • 1...Qg3
        • 2.Se6#
      • 1...Sc2
        • 2.Rd3#
      • 1...Sg2
        • 2.Rd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 5
  • Sets
    • Q(e);OGATE::R1(G),XQ(e)
    • Q(e);OGATE::R(G),XQ(e)
    • Q(e);N_SPINQ(e),OGATE,XR(G)::R(F),XQ(e)
    • B(h);OGATE,P_SPINB(h),XP(H)::B(J),XB(h)
    • B(h);OGATE::B(J)+P(H),XB(h)
    • P(g);OGATE::B(J)+P(H),XP(g),EP
    • P(g);OGATE::B(J)+P(H),XP(g)
  • Tries
    • Try
      • S(E);
      • Threat
        • P(C)
      • Vars
        • S(b);XP(C)::S(E),XS(b)
        • P(g);OGATE::B(J)+P(H),XP(g),EP
        • S(a);N_GUARD::R1(F)
      • Refutation
        • B(h);
  • Actual
    • S(E);N_PINQ(e)
    • Threat
      • P(C)
    • Vars
      • Q(e);CHECK,XP(C)::R(G)+S(E),DCHECK,XQ(e)
      • Q(e);CHECK,XR(F)::R(G)+S(E),XQ(e)
      • Q(e);CHECK::R(G)+S(E),XQ(e)
      • Q(e);OGATE,P_SPINQ(e),XS(E)::R(G),XQ(e)
      • Q(e);XS(I)::R(G)+S(E),XQ(e)
      • S(b);XP(C)::S(E),XS(b)
      • P(g);OGATE::B(J)+P(H),XP(g),EP
      • Q(e);::R(G)+S(E),DCHECK
      • Q(e);::R(G)+S(E),DCHECK,XQ(e)
      • S(a);N_GUARD::R1(F)
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