MESON Chess Problem Database

Problem Display
PID: 253125 (8/Qp3p2/PpR2p1R/Pp1k3p/1B3P2/2P2K1B/3b4/2n4n w - - 0 1)

Silvera, Arthur P

Manchester Weekly Times, 1890

(First published on Sat Jun 28 1890)

8/Qp3p2/PpR2p1R/Pp1k3p/1B3P2/2P2K1B/3b4/2n4n

#2

10 + 10

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc6
      • 2.Qxb7#
    • 1...bxa5
      • 2.Qc5#
    • 1...f5
      • 2.Rhd6#
    • 1...bxa6
      • 2.Qd7#
    • 1...bxc6
      • 2.Qxf7#
  • Tries
    • 1.Be6+?
      • 1...Kxc6
        • 2.Qxb6#
        • 2.Qxb7#
      • 1...fxe6!
    • 1.Rc5+?
      • 1...bxc5
        • 2.Qxc5#
      • 1...Kd6!
    • 1.Rxh5+?
      • 1...Kxc6
        • 2.Qxb6#
        • 2.Qxb7#
      • 1...f5!
    • 1.Rhxf6?
      • threat
        • 2.Rfd6#
      • 1...bxc6
        • 2.Qxf7#
      • 1...Bxf4!
    • 1.Qxb7?
      • threat
        • 2.Rc7#
        • 2.Rc8#
        • 2.Qd7#
      • 1...Bxc3
        • 2.Qd7#
      • 1...Bxf4!
    • 1.c4+?
      • 1...Kxc6
        • 2.Qxb6#
        • 2.Qxb7#
      • 1...bxc4
        • 2.Rd6#
      • 1...Kd4!
  • Keys
    • 1.Bg2!
      • 1...Kxc6
        • 2.Qxb7#
      • 1...Bxc3
        • 2.Ke3#
      • 1...Bxf4
        • 2.Kxf4#
      • 1...bxa5
        • 2.Qc5#
      • 1...bxa6
        • 2.Qd7#
      • 1...bxc6
        • 2.Qxf7#
      • 1...Be1
        • 2.Ke3#
      • 1...Be3
        • 2.Kxe3#
      • 1...Sa2
        • 2.Ke2#
      • 1...Se2
        • 2.Kxe2#
      • 1...Sb3
        • 2.Ke2#
      • 1...Sd3
        • 2.Ke2#
      • 1...Sf2
        • 2.Kxf2#
      • 1...Sg3
        • 2.Kxg3#
      • 1...h4
        • 2.Kg4#
      • 1...f5
        • 2.Rhd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • K(e);OGATEB,P_SPINP(h),S_FLIGHT,XR(H)::QAB1(J),XP(i)
    • P(g);OGATE,XP(F)::QAR1(J)
    • P(h);OGATE::R1(I)
    • P(i);OGATE,XP(G)::QAR2(J)
    • P(i);OGATE,SBLOCK,XR(H)::QAB(J),XP(j)
  • Tries
    • Try
      • B(C);CHECK
      • Refutation
        • P(j);XB(C)
    • Try
      • R(H);CHECK
      • Vars
        • P(g);OGATE,XR(H)::QAR1(J),XP(g)
      • Refutation
        • K(e);P-FLIGHT,P_SPINP(h)
    • Try
      • R(I);CHECK,XP(f)
      • Refutation
        • P(h);P_SPINP(h)
    • Try
      • R(I);XP(h)
      • Threat
        • R1(I)
      • Vars
        • P(i);OGATE,XR(H)::QAB(J),XP(j)
      • Refutation
        • B(c);XP(E)
    • Try
      • Q(J);XP(i)
      • Threat
        • DUALS(3)
      • Vars
        • B(c);XP(A)::QAR2(J)
      • Refutation
        • B(c);XP(E)
    • Try
      • P(A);CHECK
      • Vars
        • P(d);SBLOCK,XP(A)::R1(H)
      • Refutation
        • K(e);P-FLIGHT,P_SPINP(g)
  • Actual
    • B(C);
    • Vars
      • K(e);OGATEB,P_SPINP(h),S_FLIGHT,XR(H)::QAB1(J),XP(i)
      • B(c);XP(A)::B(C)+K(B)
      • B(c);XP(E)::B(C)+K(B),XB(c)
      • P(g);OGATE,XP(F)::QAR1(J)
      • P(i);OGATE,XP(G)::QAR2(J)
      • P(i);OGATE,SBLOCK,XR(H)::QAB(J),XP(j)
      • B(c);::B(C)+K(B)
      • B(c);::B(C)+K(B),XB(c)
      • S(a);::B(C)+K(B)
      • S(a);::B(C)+K(B),XS(a)
      • S(b);::B(C)+K(B),XS(b)
      • P(f);::B(C)+K(B)
      • P(h);OGATE::R1(I)
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