MESON Chess Problem Database

Problem Display
PID: 263830 (2N5/8/4p3/3kp3/K1Rn2P1/6P1/1P2P3/3N1B2 w - - 0 1)

Anonymous

Tijdschrift vd NSB, 1894

2N5/8/4p3/3kp3/K1Rn2P1/6P1/1P2P3/3N1B2

#2

9 + 4

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Bg2#
    • 1...Sc2
      • 2.e4#
    • 1...Sxe2
      • 2.Se3#
    • 1...Sb3
      • 2.Se3#
      • 2.e4#
    • 1...Sf3
      • 2.Se3#
      • 2.e4#
    • 1...Sb5
      • 2.Se3#
      • 2.e4#
    • 1...Sf5
      • 2.e4#
    • 1...Sc6
      • 2.Se3#
      • 2.e4#
  • Tries
    • 1.Sb6+?
      • 1...Ke4
        • 2.Bg2#
      • 1...Kd6!
    • 1.Rc5+?
      • 1...Ke4
        • 2.Sd6#
      • 1...Kxc5!
    • 1.b3?
      • threat
        • 2.Sc3#
      • 1...Ke4
        • 2.Bg2#
      • 1...Sxe2
        • 2.Se3#
      • 1...Sxb3
        • 2.Se3#
        • 2.e4#
      • 1...Sb5
        • 2.Se3#
        • 2.e4#
      • 1...e4!
  • Keys
    • 1.b4!
      • 1...Kxc4
        • 2.Sb6#
      • 1...Ke4
        • 2.Bg2#
      • 1...Sxe2
        • 2.Se3#
      • 1...e4
        • 2.Rc5#
      • 1...Sc2
        • 2.e4#
      • 1...Sb3
        • 2.Se3#
        • 2.e4#
      • 1...Sf3
        • 2.Se3#
        • 2.e4#
      • 1...Sb5
        • 2.Se3#
        • 2.e4#
      • 1...Sf5
        • 2.e4#
      • 1...Sc6
        • 2.Se3#
        • 2.e4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);N_GUARD,P_SPINS(a),S_CUTP(c),S_FLIGHT::B(B)
    • S(a);::P(D)
    • S(a);XP(D)::S(A)
  • Tries
    • Try
      • S(I);CHECK
      • Vars
        • K(b);N_GUARD,P_SPINS(a),S_FLIGHT::B(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • R(G);CHECK
      • Vars
        • K(b);N_GUARD,S_FLIGHT::S(I)
      • Refutation
        • K(b);P-FLIGHT,XR(G)
    • Try
      • P(C);
      • Threat
        • S(A)
      • Vars
        • K(b);P_SPINS(a),S_CUTP(c),S_FLIGHT::B(B)
        • S(a);XP(D)::S(A)
      • Refutation
        • P(c);
  • Actual
    • P(C);
    • Vars
      • K(b);N_GUARD,S_FLIGHT,XR(G)::S(I)
      • K(b);N_GUARD,P_SPINS(a),S_CUTP(c),S_FLIGHT::B(B)
      • S(a);XP(D)::S(A)
      • P(c);SBLOCK::R1(G)
      • S(a);::P(D)
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Developed and maintained by Brian Stephenson.
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