MESON Chess Problem Database

Problem Display
PID: 63895 (8/3K1Q2/4pP2/3BP1q1/1pPkNB2/2R5/1nP5/8 w - - 0 1)

Satanovsky, Mikhail S

StrateGems, 2005

8/3K1Q2/4pP2/3BP1q1/1pPkNB2/2R5/1nP5/8

#2

10 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe5
      • 2.Be3#
    • 1...Sd1
      • 2.Rd3#
    • 1...Sd3
      • 2.Rxd3#
    • 1...Sa4
      • 2.Rd3#
    • 1...Sxc4
      • 2.Rd3#
    • 1...exd5
      • 2.Qxd5#
  • Tries
    • 1.Be3+?
      • 1...Kxe5
        • 2.Qxe6#
      • 1...Qxe3!
  • Keys
    • 1.Kd6!
      • threat
        • 2.Qa7#
      • 1...Qxe5+
        • 2.Bxe5#
      • 1...Sxc4+
        • 2.Rxc4#
      • 1...exd5
        • 2.Qxd5#
      • 1...Qg7
        • 2.Be3#
      • 1...Sd3
        • 2.Rxd3#
      • 1...Sa4
        • 2.Rd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • Q(d);N_GUARD,SBLOCK,XP(G)::B(E)
    • S(a);N_GUARD::R1(B)
    • S(a);N_GUARD::R1(B),XS(a)
    • S(a);N_GUARD,XP(C)::R1(B)
    • P(e);OGATE,XB(F)::QAR1(J),XP(e)
  • Tries
    • Try
      • B(E);CHECK
      • Vars
        • K(c);S_FLIGHT,XP(G)::QAR1(J),XP(e)
      • Refutation
        • Q(d);XB(E)
  • Actual
    • K(I);P-FLIGHT
    • Threat
      • QAB(J)
    • Vars
      • Q(d);CHECK,OGATE,XP(G)::B(E),XQ(d)
      • S(a);CHECK,OGATE,XP(C)::R1(B),XS(a)
      • P(e);OGATE,XB(F)::QAR1(J),XP(e)
      • Q(d);N_GUARD::B(E)
      • S(a);N_GUARD::R1(B),XS(a)
      • S(a);N_GUARD::R1(B)
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