MESON Chess Problem Database

Problem Display
PID: 149025 (B6N/5K2/1p1ppPp1/1P2k1pb/R2N4/Q3p1P1/4rP2/4n3 w - - 0 1)

Nield, Joshua

Good Companions (May), 1918

B6N/5K2/1p1ppPp1/1P2k1pb/R2N4/Q3p1P1/4rP2/4n3

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Ra2
      • 2.Qxe3#
    • 1...Rb2
      • 2.Qxe3#
    • 1...Rc2
      • 2.Qxe3#
    • 1...Rd2
      • 2.Qxe3#
    • 1...Rxf2
      • 2.Qxe3#
    • 1...Bf3
      • 2.Sxg6#
    • 1...Bg4
      • 2.Sxg6#
  • Tries
    • 1.Sc6+?
      • 1...Kd5
        • 2.Rd4#
      • 1...Kf5!
    • 1.Qb3?
      • threat
        • 2.Qxe6#
      • 1...Bg4
        • 2.Sxg6#
      • 1...d5!
  • Keys
    • 1.g4!
      • 1...Kf4
        • 2.Sf3#
      • 1...Rxf2
        • 2.Qxe3#
      • 1...Bxg4
        • 2.Sxg6#
      • 1...exf2
        • 2.Qg3#
      • 1...d5
        • 2.Sc6#
      • 1...Ra2
        • 2.Qxe3#
      • 1...Rb2
        • 2.Qxe3#
      • 1...Rc2
        • 2.Qxe3#
      • 1...Rd2
        • 2.Qxe3#
      • 1...Sc2
        • 2.Sf3#
      • 1...Sg2
        • 2.Sf3#
      • 1...Sd3
        • 2.Sf3#
      • 1...Sf3
        • 2.Sxf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • R(b);N_GUARD::QAR2(B),XP(c)
    • R(b);N_GUARD,P_PINP(G),XP(A)::QAR2(B),XP(c)
    • B(f);N_GUARD::S(J),XP(j)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(d);P-FLIGHT::R1(D)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR1(B),XP(i)
      • Vars
        • B(f);N_GUARD::S(J),XP(j)
      • Refutation
        • P(h);
  • Actual
    • P(C);
    • Vars
      • K(d);S_FLIGHT::R(D)+S(E)
      • R(b);N_GUARD,P_PINP(G),XP(A)::QAR2(B),XP(c)
      • B(f);N_GUARD,XP(C)::S(J),XP(j)
      • P(c);OGATE,XP(A)::QAB(B)
      • P(h);SBLOCK::S(E)
      • R(b);N_GUARD::QAR2(B),XP(c)
      • S(a);N_GUARD::S(E)
      • S(a);N_GUARD::S(E),XS(a)
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