MESON Chess Problem Database

Problem Display
PID: 257754 (7q/3NB1n1/3p1pR1/1p2p3/1K1k1pP1/pB1P1p2/3P1b2/5Q2 w - - 0 1)

Kuzovkov, Aleksandr S

The Problemist, 2021

7q/3NB1n1/3p1pR1/1p2p3/1K1k1pP1/pB1P1p2/3P1b2/5Q2

#2

9 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...e4
      • 2.Bxf6#
    • 1...d5
      • 2.Bc5#
    • 1...f5
      • 2.Rxd6#
  • Tries
    • 1.Sc5?
      • threat
        • 2.Qa1#
        • 2.Qxf2#
      • 1...dxc5+
        • 2.Bxc5#
      • 1...e4
        • 2.Bxf6#
        • 2.Qa1#
      • 1...Qh1
        • 2.Qxf2#
      • 1...Qh2
        • 2.Qa1#
      • 1...Qh4
        • 2.Qa1#
      • 1...Bg1
        • 2.Qa1#
      • 1...Be3
        • 2.Qa1#
      • 1...Bg3
        • 2.Qa1#
      • 1...Bh4
        • 2.Qa1#
      • 1...Sf5
        • 2.Se6#
        • 2.Qa1#
      • 1...Be1!
  • Keys
    • 1.Sxe5!
      • threat
        • 2.Sxf3#
        • 2.Sc6#
        • 2.Qa1#
      • 1...Kxe5
        • 2.Bxf6#
      • 1...dxe5
        • 2.Bc5#
      • 1...fxe5
        • 2.Rxd6#
      • 1...Qh1
        • 2.Sc6#
      • 1...Qh3
        • 2.Sc6#
        • 2.Qa1#
      • 1...Qa8
        • 2.Qa1#
      • 1...Qc8
        • 2.Sxf3#
      • 1...Qe8
        • 2.Sxf3#
        • 2.Qa1#
      • 1...Be1
        • 2.Sxf3#
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 3
  • Sets
    • P(g);OGATEB::B(I),XP(i)
    • P(h);OGATE::B(I)
    • P(i);OGATE::R(G),XP(h)
  • Tries
    • Try
      • S(H);
      • Threat
        • DUALS(2)
      • Vars
        • P(h);CHECK,OGATE,XS(H)::B(I),XP(h)
        • Q(k);::QAB(A),XB(a)
        • Q(k);::QAB(A)
        • B(a);::QAB(A)
      • Refutation
        • B(a);P_PINP(B)
  • Actual
    • S(H);XP(g)
    • Threat
      • DUALS(3)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XS(H)::B(I),XP(i)
      • P(h);OGATE,SBLOCK,XS(H)::B(I)
      • P(i);OGATE,SBLOCK,XS(H)::R(G),XP(h)
      • Q(k);::S(H)
      • Q(k);::QAB(A)
      • Q(k);::S(H),XP(c)
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