MESON Chess Problem Database

Problem Display
PID: 21198 (2r3bn/3BN2p/pb3p2/2p1k1p1/2p1NqRr/2P3Qn/K7/B3R3 w - - 0 1)

Stimson, James Frank (Ua Tane)

Good Companions (May), 1917

2r3bn/3BN2p/pb3p2/2p1k1p1/2p1NqRr/2P3Qn/K7/B3R3

#2

9 + 14

3132 The Good Companion Two-Mover 1922

SOLUTION

  • SOUND
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qd6#
      • 1...Qd2+
        • 2.Sxd2#
      • 1...Qh2+
        • 2.Sf2#
      • 1...Qf2+
        • 2.Sxf2#
      • 1...cxd3+
        • 2.c4#
      • 1...Qxe4
        • 2.Rexe4#
      • 1...Rc6
        • 2.Sxc6#
      • 1...Bc7
        • 2.Sc6#
      • 1...Bd5
        • 2.Qxd5#
      • 1...Sf7
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(E);N_PINQ(c)
    • Threat
      • QAB1(E)
    • Vars
      • Q(c);CHECK,N_GUARD::R(B)+S(F),XQ(c)
      • Q(c);CHECK,N_GUARD::R(B)+S(F)
      • P(b);CHECK,OGATE,XQ(E)::B(A)+P(D)
      • Q(c);OGATE,P_SPINQ(c),XS(F)::R1(B),XQ(c)
      • R(l);N_GUARD::S(I),XR(l)
      • B(i);S_CUTR(l)::S(I)
      • B(m);N_GUARD::QAR1(E),XB(m)
      • S(n);S_CUTB(m)::QAR1(E)
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