MESON Chess Problem Database

Problem Display
PID: 161852 (8/1K1n2n1/8/1pPk1P2/p2p4/pN6/P1Q4B/2RBR2b w - - 0 1)

Aksenov, Vitaly I

Ryabzevu-40 JT, 1999

8/1K1n2n1/8/1pPk1P2/p2p4/pN6/P1Q4B/2RBR2b

#2

10 + 8

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Bg2
      • 2.Qxg2#
    • 1...Bf3
      • 2.Bxf3#
    • 1...Be4
      • 2.Qxe4#
    • 1...Sxc5+
      • 2.Qxc5#
    • 1...Se5
      • 2.Rxe5#
    • 1...Sb6
      • 2.Re5#
    • 1...Sf6
      • 2.Re5#
    • 1...Sb8
      • 2.Re5#
    • 1...Sf8
      • 2.Re5#
    • 1...axb3
      • 2.Qxb3#
    • 1...d3
      • 2.Qxd3#
    • 1...b4
      • 2.Qc4#
  • Keys
    • 1.Qe2!
      • 1...Sxc5+
        • 2.Rxc5#
      • 1...Sxf5
        • 2.Qe6#
      • 1...axb3
        • 2.Bxb3#
      • 1...Sh5
        • 2.Qe6#
      • 1...Bg2
        • 2.Qxg2#
      • 1...Bf3
        • 2.Qxf3#
      • 1...Be4
        • 2.Qxe4#
      • 1...Se5
        • 2.Qxe5#
      • 1...Sb6
        • 2.Qe5#
      • 1...Sf6
        • 2.Qe5#
      • 1...Sb8
        • 2.Qe5#
      • 1...Sf8
        • 2.Qe5#
      • 1...Se6
        • 2.Qxe6#
      • 1...Se8
        • 2.Qe6#
      • 1...d3
        • 2.Qxd3#
      • 1...b4
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 8
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::QAB(E),XB(a)
    • B(a);N_GUARD::B(B),XB(a)
    • B(a);N_GUARD::QAB1(E),XB(a)
    • S(g);CHECK,OGATE,XP(H)::QAR1(E),XS(g)
    • S(g);N_GUARD::R1(C),XS(g)
    • S(g);N_GUARD::R1(C)
    • P(c);OGATE,XS(G)::QAB(E),XP(c)
    • P(d);OGATEB::QAR2(E),XP(d)
    • P(e);N_GUARD::QAB1(E)
  • Actual
    • Q(E);
    • Vars
      • S(g);CHECK,OGATE,XP(H)::R1(A),XS(g)
      • S(h);N_GUARD,XP(I)::QAB1(E)
      • P(c);OGATE,XS(G)::B(B),XP(c)
      • S(h);N_GUARD::QAB1(E)
      • B(a);N_GUARD::QAB(E),XB(a)
      • B(a);N_GUARD::QAB1(E),XB(a)
      • S(g);N_GUARD::QAR1(E),XS(g)
      • S(g);N_GUARD::QAR1(E)
      • S(h);N_GUARD::QAB1(E),XS(h)
      • P(d);OGATEB::QAR2(E),XP(d)
      • P(e);N_GUARD::QAB1(E)
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