MESON Chess Problem Database

Problem Display
PID: 150817 (K3R3/3p1p2/Bb6/1P2P2Q/p2P3n/5P1N/rR1PkNpp/2B1rb2 w - - 0 1)

Aksenov, Vitaly I

Lada, 2002

K3R3/3p1p2/Bb6/1P2P2Q/p2P3n/5P1N/rR1PkNpp/2B1rb2

#2

13 + 11

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.d3#
    • 1...Ra3
      • 2.d3#
    • 1...Bxd4
      • 2.b6#
    • 1...Ba5
      • 2.b6#
    • 1...Bc5
      • 2.b6#
    • 1...Ba7
      • 2.b6#
    • 1...Bc7
      • 2.b6#
    • 1...Bd8
      • 2.b6#
    • 1...Sf5
      • 2.f4#
    • 1...Sg6
      • 2.f4#
    • 1...d5
      • 2.exd5 ep#
    • 1...d6
      • 2.exd6#
    • 1...f5
      • 2.exf5 ep#
    • 1...f6
      • 2.exf6#
  • Tries
    • 1.Qf5?
      • threat
        • 2.Qd3#
        • 2.Qe4#
      • 1...Rxc1
        • 2.Qe4#
      • 1...Bxd4
        • 2.Qd3#
        • 2.b6#
      • 1...Rd1
        • 2.Qe4#
      • 1...Ra3
        • 2.d3#
      • 1...d5
        • 2.Qd3#
        • 2.exd5 ep#
      • 1...Sxf5!
  • Keys
    • 1.Qg4!
      • threat
        • 2.Qe4#
      • 1...Bxd4
        • 2.b6#
      • 1...Ra3
        • 2.d3#
      • 1...Sf5
        • 2.f4#
      • 1...d5
        • 2.exd5 ep#
      • 1...f5
        • 2.exf5 ep#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 9
  • Sets
    • R(c);N_GUARD::R(B)+P(C)
    • B(i);OGATE,XP(G)::B(K)+P(H)
    • B(i);OGATE::B(K)+P(H)
    • S(h);N_GUARD::QAB(J)+P(E)
    • P(j);OGATE::R(M)+P(I),XP(j),EP
    • P(j);OGATE::R(M)+P(I),XP(j)
    • P(k);OGATE::R(M)+P(I),XP(k),EP
    • P(k);OGATE::R(M)+P(I),XP(k)
  • Tries
    • Try
      • Q(J);
      • Threat
        • DUALS(2)
      • Vars
        • R(a);XB(A)::QAR2(J)
        • R(a);::QAR2(J)
        • R(c);N_GUARD::R(B)+P(C)
      • Refutation
        • S(h);XQ(J)
  • Actual
    • Q(J);
    • Threat
      • QAR2(J)
    • Vars
      • B(i);OGATE,XP(G)::B(K)+P(H)
      • R(c);N_GUARD::R(B)+P(C)
      • S(h);N_GUARD::QAB(J)+P(E)
      • P(j);OGATE::R(M)+P(I),XP(j),EP
      • P(k);OGATE::R(M)+P(I),XP(k),EP
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