MESON Chess Problem Database

Problem Display
PID: 4704 (2Rb1nN1/2pp4/6p1/2Pk4/BP4Qp/nKB1p2P/3r1N2/3R3b w - - 0 1)

Planck, Charles

Sp. Prize, Surrey County Chess Association, 0000

2Rb1nN1/2pp4/6p1/2Pk4/BP4Qp/nKB1p2P/3r1N2/3R3b

#2

11 + 11

3316 Chess Problem Text Book 1887

SOLUTION

  • SOUND
  • Sets
    • 1...Rd3
      • 2.Rxd3#
    • 1...Be4
      • 2.Qxe4#
    • 1...Bf6
      • 2.Sxf6#
    • 1...Be7
      • 2.Sxe7#
    • 1...Sb1
      • 2.Qc4#
    • 1...Sc2
      • 2.Qc4#
    • 1...Sc4
      • 2.Qxc4#
    • 1...Sh7
      • 2.Qxd7#
    • 1...exf2
      • 2.Rxd2#
    • 1...e2
      • 2.Rxd2#
    • 1...g5
      • 2.Qf5#
  • Tries
    • 1.Rxd8?
      • threat
        • 2.Sf6#
        • 2.Se7#
      • 1...Sb5
        • 2.Se7#
      • 1...Sh7
        • 2.Se7#
        • 2.Rxd7#
        • 2.Qxd7#
      • 1...Rd4!
  • Keys
    • 1.Bxd7!
      • 1...Rxd1
        • 2.Qxd1#
      • 1...Sxd7
        • 2.Qxd7#
      • 1...exf2
        • 2.Rxd2#
      • 1...Rd4
        • 2.Qxd4#
      • 1...Rd3
        • 2.Rxd3#
      • 1...Bg2
        • 2.Qxg2#
      • 1...Bf3
        • 2.Qxf3#
      • 1...Be4
        • 2.Qxe4#
      • 1...Bg5
        • 2.Qxg5#
      • 1...Bf6
        • 2.Sxf6#
      • 1...Be7
        • 2.Sxe7#
      • 1...Sb1
        • 2.Qc4#
      • 1...Sc2
        • 2.Qc4#
      • 1...Sc4
        • 2.Qxc4#
      • 1...Sb5
        • 2.Qc4#
      • 1...Se6
        • 2.Qxe6#
      • 1...Sh7
        • 2.Qe6#
      • 1...e2
        • 2.Rxd2#
      • 1...g5
        • 2.Qf5#
      • 1...c6
        • 2.Bxc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • R(b);OGATE,P_PINB(D)::R(A),XR(b)
    • B(a);N_GUARD::QAB1(H),XB(a)
    • B(j);N_GUARD::S(K),XB(j)
    • S(c);N_GUARD::QAB1(H)
    • S(c);N_GUARD::QAB1(H),XS(c)
    • S(k);N_GUARD::QAR2(H),XP(i)
    • P(d);N_GUARD,XS(B)::R(A),XR(b)
    • P(d);N_GUARD::R(A),XR(b)
    • P(g);N_GUARD::QAR2(H)
  • Tries
    • Try
      • R(J);P_PINP(i),XB(j)
      • Threat
        • DUALS(2)
      • Vars
        • S(c);::S(K)
      • Refutation
        • R(b);
  • Actual
    • B(F);XP(i)
    • Vars
      • R(b);N_SPINR(b),OGATE,XR(A)::QAR(H),XR(b)
      • S(k);OGATE,XB(F)::QAR2(H),XS(k)
      • P(d);N_GUARD,XS(B)::R(A),XR(b)
      • R(b);N_GUARD::QAR1(H),XR(b)
      • R(b);OGATE,P_PINB(D)::R(A),XR(b)
      • B(a);N_GUARD::QAB(H),XB(a)
      • B(a);N_GUARD::QAB1(H),XB(a)
      • B(j);N_GUARD::QAR(H),XB(j)
      • B(j);N_GUARD::S(K),XB(j)
      • S(c);N_GUARD::QAB1(H)
      • S(c);N_GUARD::QAB1(H),XS(c)
      • S(k);N_GUARD::QAB1(H),XS(k)
      • S(k);N_GUARD::QAB1(H)
      • P(d);N_GUARD::R(A),XR(b)
      • P(g);N_GUARD::QAR2(H)
      • P(h);::B(F),XP(h)
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