MESON Chess Problem Database

Problem Display
PID: 232075 (4Q3/2R2P2/p3K1p1/Pp4p1/1B1p2BP/1N1kp1n1/6N1/nr2R3 w - - 0 1)

The Field, 1899

(First published on Sat Dec 2 1899)

4Q3/2R2P2/p3K1p1/Pp4p1/1B1p2BP/1N1kp1n1/6N1/nr2R3

#2

11 + 10

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Sc5#
    • 1...Se4
      • 2.Be2#
  • Tries
    • 1.Sc1+?
      • 1...Ke4
        • 2.Kd6#
        • 2.Qc6#
        • 2.Qa8#
      • 1...Rxc1!
    • 1.Be2+?
      • 1...Ke4
        • 2.Sc5#
        • 2.Qc6#
        • 2.Qa8#
      • 1...Sxe2!
    • 1.Rd1+?
      • 1...Ke4
        • 2.Kd6#
        • 2.Sc5#
        • 2.Rxd4#
        • 2.Qc6#
        • 2.Qa8#
      • 1...Rxd1!
    • 1.Rc3+?
      • 1...Ke4
        • 2.Kd6#
        • 2.Sd2#
        • 2.Sc5#
        • 2.Qc6#
        • 2.Qa8#
      • 1...dxc3!
    • 1.Qxb5+?
      • 1...Ke4
        • 2.Sd2#
        • 2.Sc5#
      • 1...axb5!
  • Keys
    • 1.Qc6!
      • 1...Rxe1
        • 2.Sxe1#
      • 1...Rxb3
        • 2.Rd1#
      • 1...Sxb3
        • 2.Qc2#
      • 1...gxh4
        • 2.Sf4#
      • 1...Sc2
        • 2.Qxc2#
      • 1...Rc1
        • 2.Sxc1#
      • 1...Rd1
        • 2.Rxd1#
      • 1...Rb2
        • 2.Sc1#
      • 1...Sf1
        • 2.Be2#
      • 1...Sh1
        • 2.Be2#
      • 1...Se2
        • 2.Bxe2#
      • 1...Se4
        • 2.Be2#
      • 1...Sf5
        • 2.Be2#
      • 1...Sh5
        • 2.Be2#
      • 1...e2
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 14
    • REMOVED MATES = 1
  • Sets
    • K(c);P_SPINP(d),S_FLIGHT::S(C)
    • S(e);N_GUARD,SBLOCK::B(E)
  • Tries
    • Try
      • S(C);CHECK
      • Refutation
        • R(b);XS(C)
    • Try
      • B(E);CHECK
      • Refutation
        • S(e);XB(E)
    • Try
      • R(A);CHECK
      • Refutation
        • R(b);XR(A)
    • Try
      • R(I);CHECK
      • Refutation
        • P(f);XR(I)
    • Try
      • Q(K);CHECK,XP(g)
      • Refutation
        • P(i);XQ(K)
  • Actual
    • Q(K);
    • Vars
      • R(b);XR(A)::S(B),XR(b)
      • R(b);N_GUARD,XS(C)::R(A)
      • S(a);N_GUARD,XS(C)::QAB1(K)
      • P(h);N_GUARD,XP(F)::S(B)
      • S(a);N_GUARD::QAB1(K),XS(a)
      • R(b);N_GUARD::S(C),XR(b)
      • R(b);N_GUARD::R(A),XR(b)
      • R(b);N_GUARD::S(C)
      • S(e);N_GUARD::B(E)
      • S(e);N_GUARD::B(E),XS(e)
      • P(d);OGATEB::QAR2(K)
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