MESON Chess Problem Database

Problem Display
PID: 221836 (3N4/2p1p1K1/1pPk4/2p1pbQ1/2P1pr2/3NPp2/8/2R5 w - - 0 1)

Kuzovkov, Aleksandr S

Comm., StrateGems, 2020

3N4/2p1p1K1/1pPk4/2p1pbQ1/2P1pr2/3NPp2/8/2R5

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Bh3
      • 2.Qxe5#
    • 1...Bg4
      • 2.Qxe5#
    • 1...Be6
      • 2.Qxe5#
    • 1...Bg6
      • 2.Qxe5#
    • 1...Bd7
      • 2.Qxe5#
    • 1...Bh7
      • 2.Qxe5#
    • 1...Bc8
      • 2.Qxe5#
  • Tries
    • 1.Sb4?
      • threat
        • 2.Rd1#
      • 1...Be6
        • 2.Sb7#
      • 1...cxb4!
    • 1.Sxc5?
      • threat
        • 2.Scb7#
      • 1...Kxc5
        • 2.Qxe7#
      • 1...bxc5
        • 2.Rd1#
      • 1...Bc8!
    • 1.Rd1?
      • threat
        • 2.Sc1#
        • 2.Se1#
        • 2.Sb2#
        • 2.Sf2#
        • 2.Sb4#
        • 2.Sxf4#
      • 1...Be6
        • 2.Qxe5#
      • 1...Rg4
        • 2.Sc1#
        • 2.Se1#
        • 2.Sb2#
        • 2.Sf2#
        • 2.Sb4#
        • 2.Sf4#
      • 1...Rh4
        • 2.Sc1#
        • 2.Se1#
        • 2.Sb2#
        • 2.Sf2#
        • 2.Sb4#
        • 2.Sf4#
      • 1...f2
        • 2.Sc1#
        • 2.Se1#
        • 2.Sb2#
        • 2.Sxf2#
        • 2.Sb4#
        • 2.Sxf4#
      • 1...exd3!
    • 1.Qf6+?
      • 1...Be6
        • 2.Qxe5#
        • 2.Qxe6#
      • 1...e6
        • 2.Qf8#
      • 1...exf6!
  • Keys
    • 1.Sxe5!
      • threat
        • 2.Sef7#
      • 1...Kxe5
        • 2.Qxf4#
      • 1...Be6
        • 2.Sb7#
      • 1...Bh3
        • 2.Rd1#
      • 1...Bg4
        • 2.Rd1#
      • 1...Bg6
        • 2.Rd1#
      • 1...Bd7
        • 2.Rd1#
      • 1...Bh7
        • 2.Rd1#
      • 1...Bc8
        • 2.Rd1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 7
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(f);OGATE::QAB1(E),XP(e)
  • Tries
    • Try
      • S(B);
      • Threat
        • R(A)
      • Vars
        • B(f);SBLOCK::S(H)
      • Refutation
        • P(d);XS(B)
    • Try
      • S(B);XP(d)
      • Threat
        • S(B)
      • Vars
        • K(h);S_FLIGHT,XS(B)::QAB(E),XP(j)
        • P(g);SBLOCK,XS(B)::R(A)
      • Refutation
        • B(f);
    • Try
      • R(A);
      • Threat
        • DUALS(6)
      • Vars
        • B(f);OGATE::QAB1(E),XP(e)
      • Refutation
        • P(b);P_SPINP(b),XS(B)
    • Try
      • Q(E);CHECK
      • Vars
        • P(j);OGATEB,P_SPINP(j)::QAB(E)
      • Refutation
        • P(j);XQ(E)
  • Actual
    • S(B);XP(e)
    • Threat
      • S(B)
    • Vars
      • K(h);OGATEB,P_SPINB(f),S_FLIGHT,XS(B)::QAB1(E),XR(c)
      • B(f);SBLOCK::S(H)
      • B(f);::R(A)
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