MESON Chess Problem Database
Problem Display
PID: 237671 (1B3r2/K7/3R3N/n1p1kP1p/1N6/Q2B4/5R2/b3r2n w - - 0 1)
Blake, Percy Francis
Bradford Illustrated Weekly Telegraph, 1898
(First published on Sat Apr 23 1898)
#2
9 + 8
| 15239 | Valois Notebooks | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Re3
- 2.Qxa1#
- 1...Rxf5
- 2.Rxf5#
- 1...Rf6
- 2.Rd5#
- 1...Rf7+
- 2.Sxf7#
- 1...Rxb8
- 2.Sf7#
- 1...Rc8
- 2.Sf7#
- 1...Rd8
- 2.Sf7#
- 1...Re8
- 2.Sf7#
- 1...Rg8
- 2.Sf7#
- 1...Rh8
- 2.Sf7#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Qxc3#
- 1...Bd4
- 2.Re6#
- 1...Sb3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Sc6+
- 2.Sxc6#
- 1...Sb7
- 2.Sc6#
- 1...cxb4
- 2.Qxa5#
- 1...c4
- 2.Qxa5#
- 1...h4
- 2.Sg4#
- 1...Re3
- Tries
- 1.Sg8?
- threat
- 2.Rd5#
- 2.Rd8#
- 1...Rf7+
- 2.Rd7#
- 1...Sc6+
- 2.Sxc6#
- 1...Rxf5
- 2.Rxf5#
- 1...Rxb8
- 2.Rd5#
- 1...cxb4
- 2.Rd8#
- 2.Qxa5#
- 1...Rf6
- 2.Rd5#
- 1...Rc8
- 2.Rd5#
- 1...Rd8
- 2.Rd5#
- 2.Rxd8#
- 1...Sc4
- 2.Sc6#
- 2.Rd5#
- 1...Sb7
- 2.Sc6#
- 2.Rd5#
- 1...Rxg8!
- threat
- 1.Bb1?
- threat
- 2.Qxa1#
- 1...Rf7+
- 2.Sxf7#
- 1...Sc6+
- 2.Sxc6#
- 1...Rxb1
- 2.Qe3#
- 1...Rxb8
- 2.Sf7#
- 1...Sxf2
- 2.Qg3#
- 1...Rc1
- 2.Qe3#
- 1...Rd1
- 2.Qe3#
- 1...Re3
- 2.Qxe3#
- 1...Re4
- 2.Sd3#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Qxc3#
- 1...Bd4
- 2.Re6#
- 1...Sb3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...c4
- 2.Qxa5#
- 1...Re2!
- threat
- 1.Qa2?
- threat
- 2.Qd5#
- 2.Qe6#
- 1...Rf7+
- 2.Sxf7#
- 1...Sc6+
- 2.Sxc6#
- 1...Rf6
- 2.Rd5#
- 2.Qd5#
- 1...Re8
- 2.Sf7#
- 2.Qd5#
- 1...Sb3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...c4
- 2.Qxa5#
- 1...Sxf2!
- threat
- 1.Qxa5?
- threat
- 2.Sc6#
- 2.Qxc5#
- 1...Rf7+
- 2.Sxf7#
- 1...Rxb8
- 2.Sf7#
- 2.Qxc5#
- 1...Rc1
- 2.Sc6#
- 1...Rc8
- 2.Sf7#
- 1...Bd4
- 2.Sc6#
- 2.Re6#
- 1...Sxf2!
- threat
- 1.Sg8?
- Keys
- 1.Bc2!
- 1...Rf7+
- 2.Sxf7#
- 1...Sc6+
- 2.Sxc6#
- 1...Rxf5
- 2.Rxf5#
- 1...Rxb8
- 2.Sf7#
- 1...Sxf2
- 2.Qg3#
- 1...cxb4
- 2.Qxa5#
- 1...Rb1
- 2.Qe3#
- 1...Rc1
- 2.Qe3#
- 1...Rd1
- 2.Qe3#
- 1...Rf1
- 2.Qe3#
- 1...Rg1
- 2.Qe3#
- 1...Re2
- 2.Qxa1#
- 1...Re3
- 2.Qxe3#
- 1...Re4
- 2.Sd3#
- 1...Rf6
- 2.Rd5#
- 1...Rc8
- 2.Sf7#
- 1...Rd8
- 2.Sf7#
- 1...Re8
- 2.Sf7#
- 1...Rg8
- 2.Sf7#
- 1...Rh8
- 2.Sf7#
- 1...Bb2
- 2.Qxb2#
- 1...Bc3
- 2.Qxc3#
- 1...Bd4
- 2.Re6#
- 1...Sg3
- 2.Qxg3#
- 1...Sb3
- 2.Sc6#
- 1...Sc4
- 2.Sc6#
- 1...Sb7
- 2.Sc6#
- 1...c4
- 2.Qxa5#
- 1...h4
- 2.Sg4#
- 1...Rf7+
- 1.Bc2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD::QAB(B),XB(a)
- R(h);OGATE,XP(E)::R1(A),XR(h)
- R(h);SBLOCK::B(I)+R(F),DCHECK
- R(h);CHECK,N_GUARD::S(G),XR(h)
- R(h);N_GUARD,XB(I)::S(G)
- R(h);N_GUARD::S(G)
- B(a);N_GUARD::QAB(B),XB(a)
- B(a);SBLOCK::B(I)+R(F),DCHECK
- S(d);N_GUARD::S(D)
- S(d);CHECK,N_GUARD::S(D),XS(d)
- P(e);OGATEB,XS(D)::QAR(B),XS(d)
- P(e);OGATEB::QAR(B),XS(d)
- P(g);N_GUARD::S(G)
- Tries
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(h);CHECK,N_GUARD::B(I)+R(F)
- S(d);CHECK,N_GUARD::S(D),XS(d)
- R(h);OGATE,XP(E)::R1(A),XR(h)
- R(h);XB(I)::R1(F)
- R(h);::B(I)+R(F),DCHECK
- Refutation
- R(h);XS(G)
- Try
- B(C);
- Threat
- QAB(B),XB(a)
- Vars
- R(h);CHECK,N_GUARD::S(G),XR(h)
- S(d);CHECK,N_GUARD::S(D),XS(d)
- R(b);N_GUARD,XB(C)::QAR2(B)
- R(h);N_GUARD,XB(I)::S(G)
- S(c);N_GUARD,XR(A)::QAB(B)
- R(b);N_GUARD::QAR2(B)
- R(b);N_GUARD::QAR2(B),XR(b)
- R(b);SBLOCK::S(D)
- B(a);N_GUARD::QAB(B),XB(a)
- B(a);SBLOCK::B(I)+R(F),DCHECK
- S(d);N_GUARD::S(D)
- P(e);OGATEB::QAR(B),XS(d)
- Refutation
- R(b);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(h);CHECK,N_GUARD::S(G),XR(h)
- S(d);CHECK,N_GUARD::S(D),XS(d)
- S(d);N_GUARD::S(D)
- P(e);OGATEB::QAR(B),XS(d)
- Refutation
- S(c);XR(A)
- Try
- Q(B);P_PINP(e),XS(d)
- Threat
- DUALS(2)
- Vars
- R(h);CHECK,N_GUARD::S(G),XR(h)
- R(b);::S(D)
- R(h);N_GUARD::S(G)
- Refutation
- S(c);XR(A)
- Try
- Actual
- B(C);
- Vars
- R(h);CHECK,N_GUARD::S(G),XR(h)
- S(d);CHECK,N_GUARD::S(D),XS(d)
- R(h);OGATE,XP(E)::R1(A),XR(h)
- R(h);N_GUARD,XB(I)::S(G)
- S(c);N_GUARD,XR(A)::QAB(B)
- P(e);OGATEB,XS(D)::QAR(B),XS(d)
- R(b);N_GUARD::QAR2(B)
- R(b);N_GUARD::QAB(B),XB(a)
- R(b);N_GUARD::QAR2(B),XR(b)
- R(b);SBLOCK::S(D)
- R(h);SBLOCK::B(I)+R(F),DCHECK
- R(h);N_GUARD::S(G)
- B(a);N_GUARD::QAB(B),XB(a)
- B(a);SBLOCK::B(I)+R(F),DCHECK
- S(c);N_GUARD::QAB(B),XS(c)
- S(d);N_GUARD::S(D)
- P(e);OGATEB::QAR(B),XS(d)
- P(g);N_GUARD::S(G)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).