MESON Chess Problem Database

Problem Display
PID: 71426 (3r2q1/b1N2p1n/6P1/R2B1P2/P1pk1K1Q/R4Pp1/4P3/2N1r3 w - - 0 1)

Kipping, Cyril Stanley

Chess, 1951

3r2q1/b1N2p1n/6P1/R2B1P2/P1pk1K1Q/R4Pp1/4P3/2N1r3

#2

12 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc1
      • 2.e3#
    • 1...Rd1
      • 2.e3#
    • 1...Rf1
      • 2.e3#
    • 1...Rg1
      • 2.e3#
    • 1...Rh1
      • 2.e3#
    • 1...Rxe2
      • 2.Sxe2#
    • 1...Rxd5
      • 2.Rxd5#
    • 1...Sf6
      • 2.Qxf6#
    • 1...Sf8
      • 2.Qf6#
    • 1...g2
      • 2.Qf2#
    • 1...c3
      • 2.Sb3#
  • Keys
    • 1.Be6!
      • threat
        • 2.Kxg3#
      • 1...Qxg6
        • 2.Qxd8#
      • 1...Rxe2
        • 2.Sxe2#
      • 1...Rg1
        • 2.e3#
      • 1...Rh1
        • 2.e3#
      • 1...Rd5
        • 2.Rxd5#
      • 1...Bc5
        • 2.Sb5#
      • 1...Sg5
        • 2.Kxg5#
      • 1...Sf6
        • 2.Qxf6#
      • 1...g2
        • 2.Kg3#
        • 2.Qf2#
      • 1...c3
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • R(a);N_GUARD,XS(A)::P(B)
    • R(a);N_GUARD::P(B)
    • R(a);N_GUARD,P_PINP(D)::P(B)
    • R(a);XP(B)::S(A),XR(a)
    • R(h);OGATE,XB(I)::R1(H),XR(h)
    • S(g);N_GUARD::QAB(G),XS(g)
    • S(g);N_GUARD::QAB(G)
    • P(b);OGATE::QAB(G)
    • P(c);N_GUARD,SBLOCK::S(A)
  • Actual
    • B(I);
    • Threat
      • QAR(G)+K(F),XP(b)
    • Vars
      • Q(i);N_GUARD,XP(K)::QAR(G),XR(h)
      • R(a);XP(B)::S(A),XR(a)
      • R(a);N_GUARD::P(B)
      • R(h);N_GUARD::R1(H),XR(h)
      • B(e);SBLOCK::S(L)
      • S(g);::QAR(G)+K(F),XS(g)
      • S(g);N_GUARD::QAB(G),XS(g)
      • P(c);N_GUARD,SBLOCK::S(A)
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Developed and maintained by Brian Stephenson.
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