MESON Chess Problem Database

Problem Display
PID: 185322 (8/8/2R5/5p2/2Pkp3/1p1P4/3NQ3/4BK2 w - - 0 1)

Akimov, Nikolai Nikolaevich

Sachsische Zeitung, 2000

(First published on Sat Sep 23 2000)

8/8/2R5/5p2/2Pkp3/1p1P4/3NQ3/4BK2

#2

7 + 4

15391 Problemschach-Jahrbuch (2000) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Sf3#
    • 1...exd3
      • 2.Sxb3#
      • 2.Sf3#
    • 1...e3
      • 2.Sf3#
  • Tries
    • 1.Sxe4?
      • threat
        • 2.Bc3#
      • 1...fxe4
        • 2.Qxe4#
      • 1...Ke5!
    • 1.Rc5?
      • threat
        • 2.Sxb3#
      • 1...Kc3
        • 2.Sf3#
      • 1...b2
        • 2.Sb3#
      • 1...Kxc5!
  • Keys
    • 1.Re6!
      • threat
        • 2.Sxb3#
      • 1...Kc3
        • 2.Sf3#
      • 1...Kc5
        • 2.Sxb3#
      • 1...exd3
        • 2.Qe5#
      • 1...b2
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(b);S_FLIGHT::B(A)+S(C)
    • P(c);N_GUARD::S(C)
  • Tries
    • Try
      • S(C);XP(c)
      • Threat
        • B(A)
      • Vars
        • P(d);OGATE,XS(C)::QAR1(D),XP(d)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(G);
      • Threat
        • S(C),XP(a)
      • Vars
        • K(b);S_FLIGHT::B(A)+S(C)
        • P(a);::S(C)
      • Refutation
        • K(b);S_FLIGHT,XR(G)
  • Actual
    • R(G);
    • Threat
      • S(C),XP(a)
    • Vars
      • K(b);S_FLIGHT::B(A)+S(C)
      • K(b);S_FLIGHT::S(C),XP(a)
      • P(c);OGATE,SBLOCK,XP(E)::QAB1(D)
      • P(a);::S(C)
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