MESON Chess Problem Database

Problem Display
PID: 140855 (8/1R1N4/1p1kp1n1/Rn1P2Q1/2Pb4/1K6/1B6/8 w - - 0 1)

Strebkovs, Andrejs

Source?, 0000

8/1R1N4/1p1kp1n1/Rn1P2Q1/2Pb4/1K6/1B6/8

#2

8 + 6

5454 Near Snap 2011
6490 yacpdb 2011

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Qf6#
  • Tries
    • 1.c5+?
      • 1...bxc5
        • 2.Ra6#
      • 1...Bxc5!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Se4#
      • 1...Kxc5
        • 2.Ba3#
      • 1...Bxc5
        • 2.Qd8#
      • 1...bxc5
        • 2.Ra6#
      • 1...exd5
        • 2.Qxd5#
      • 1...Sc3
        • 2.Rd7#
      • 1...Sc7
        • 2.Rxb6#

This anticipates 140846(1997)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • P(e);OGATEB::QAR2(F)
  • Tries
    • Try
      • P(C);CHECK
      • Vars
        • P(c);S_CUTB(a),XP(C)::R(D)
      • Refutation
        • B(a);XP(C)
  • Actual
    • S(H);
    • Threat
      • S(H)
    • Vars
      • K(d);OGATEB,P_SPINS(b),S_FLIGHT,XS(H)::B(A)
      • B(a);SBLOCK,XS(H)::QAR2(F)
      • P(c);OGATEB,SBLOCK,XS(H)::R(D)
      • P(e);OGATE,XP(E)::QAR1(F),XP(e)
      • S(b);::R1(G)
      • S(b);SBLOCK::R(G),XP(c)
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