MESON Chess Problem Database
Problem Display
PID: 5062 (b2rr1N1/4R1n1/Bp5Q/bppk4/N3R3/2B5/1K6/8 w - - 0 1)
Blake, Percy Francis
6th Prize, Manchester Weekly Times, 1897-1898
#2
8 + 9
SOLUTION
- SOUND
- Sets
- 1...Rf8
- 2.R7e5#
- 1...Rxg8
- 2.R7e5#
- 1...Bxc3+
- 2.Sxc3#
- 1...Bb4
- 2.Sxb6#
- 1...Bc6
- 2.Qd2#
- 1...Bb7
- 2.Bxb7#
- 1...Sf5
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...Se6
- 2.Qxe6#
- 1...bxa4
- 2.Bc4#
- 2.R4e5#
- 1...b4
- 2.Bc4#
- 2.R4e5#
- 1...c4
- 2.Rd4#
- 2.R4e5#
- 1...Rf8
- Tries
- 1.Bxb5?
- threat
- 2.Bc4#
- 2.R4e5#
- 2.Qd2#
- 1...Bxc3+
- 2.Sxc3#
- 1...Se6
- 2.Qxe6#
- 1...Rd6
- 2.R4e5#
- 2.Qd2#
- 1...Sf5
- 2.Bc4#
- 2.R4e5#
- 2.Qe6#
- 1...c4
- 2.Bxc4#
- 2.Rd4#
- 2.R4e5#
- 2.Qd2#
- 1...Rxe7!
- threat
- 1.Rb4?
- 1...Rxe7
- 2.Sxe7#
- 1...Rxg8
- 2.Re5#
- 1...Bxb4
- 2.Sxb6#
- 1...bxa4
- 2.Bc4#
- 1...Rd6
- 2.Qh1#
- 1...Se6
- 2.Qxe6#
- 1...Rd7
- 2.Rxd7#
- 1...Rb8
- 2.Rd7#
- 1...Rc8
- 2.Rd7#
- 1...Rf8
- 2.Re5#
- 1...Bc6
- 2.Qd2#
- 1...Bb7
- 2.Bxb7#
- 1...Sf5
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...c4
- 2.Rxb5#
- 1...cxb4!
- 1...Rxe7
- 1.Rf4?
- 1...Bxc3+
- 2.Sxc3#
- 1...Rxe7
- 2.Sxe7#
- 1...Rxg8
- 2.Re5#
- 1...bxa4
- 2.Bc4#
- 1...Rd6
- 2.Qh1#
- 1...Se6
- 2.Qxe6#
- 1...Rd7
- 2.Rxd7#
- 1...Rb8
- 2.Rd7#
- 1...Rc8
- 2.Rd7#
- 1...Rf8
- 2.Re5#
- 1...Bb4
- 2.Sxb6#
- 1...Bb7
- 2.Bxb7#
- 1...Sf5
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...b4
- 2.Bc4#
- 1...c4
- 2.Rd4#
- 1...Bc6!
- 1...Bxc3+
- 1.Rh4?
- 1...Bxc3+
- 2.Sxc3#
- 1...Rxe7
- 2.Sxe7#
- 1...Rxg8
- 2.Re5#
- 1...bxa4
- 2.Bc4#
- 1...Se6
- 2.Qxe6#
- 1...Rd7
- 2.Rxd7#
- 1...Rb8
- 2.Rd7#
- 1...Rc8
- 2.Rd7#
- 1...Rf8
- 2.Re5#
- 1...Bb4
- 2.Sxb6#
- 1...Bc6
- 2.Qd2#
- 1...Bb7
- 2.Bxb7#
- 1...Sf5
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...b4
- 2.Bc4#
- 1...c4
- 2.Rd4#
- 1...Rd6!
- 1...Bxc3+
- 1.Qxb6?
- threat
- 2.Sf6#
- 2.Qxc5#
- 1...Bxc3+
- 2.Sxc3#
- 1...Rxe7
- 2.Sf6#
- 1...Rxg8
- 2.R7e5#
- 2.Qxc5#
- 1...bxa4
- 2.Sf6#
- 2.Bc4#
- 2.R4e5#
- 1...Bc6
- 2.Qxc5#
- 1...Se6
- 2.Sf6#
- 2.Qxe6#
- 1...Rd6
- 2.Qxc5#
- 1...Rc8
- 2.Sf6#
- 1...Rf8
- 2.R7e5#
- 2.Qxc5#
- 1...Bb4
- 2.Sf6#
- 1...Sh5
- 2.Qxc5#
- 2.Qe6#
- 1...c4
- 2.Sf6#
- 2.Rd4#
- 2.R4e5#
- 2.Qc5#
- 1...Bxb6!
- threat
- 1.Bxb5?
- Keys
- 1.Rg4!
- 1...Bxc3+
- 2.Sxc3#
- 1...Rxe7
- 2.Sxe7#
- 1...Rxg8
- 2.Re5#
- 1...bxa4
- 2.Bc4#
- 1...Rd6
- 2.Qh1#
- 1...Se6
- 2.Qxe6#
- 1...Rd7
- 2.Rxd7#
- 1...Rb8
- 2.Rd7#
- 1...Rc8
- 2.Rd7#
- 1...Rf8
- 2.Re5#
- 1...Bb4
- 2.Sxb6#
- 1...Bc6
- 2.Qd2#
- 1...Bb7
- 2.Bxb7#
- 1...Sf5
- 2.Qe6#
- 1...Sh5
- 2.Qe6#
- 1...b4
- 2.Bc4#
- 1...c4
- 2.Rd4#
- 1...Bxc3+
- 1.Rg4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- R(i);N_GUARD::R1(G)
- R(i);N_GUARD,XS(H)::R1(G)
- B(a);CHECK,XB(B)::S(C),XB(a)
- B(a);N_GUARD::S(C),XP(e)
- B(g);SBLOCK::QAR(F)
- B(g);N_GUARD::B(E),XB(g)
- S(f);N_GUARD::QAB1(F)
- S(f);N_GUARD::QAB1(F),XS(f)
- Tries
- Try
- B(E);XP(b)
- Threat
- DUALS(3)
- Vars
- B(a);CHECK,XB(B)::S(C),XB(a)
- S(f);N_GUARD::QAB1(F),XS(f)
- Refutation
- R(i);XR(G)
- Try
- R(D);
- Vars
- R(i);XR(G)::S(H),XR(i)
- R(i);N_GUARD,XS(H)::R1(G)
- B(a);N_GUARD,XR(D)::S(C),XP(e)
- P(b);OGATE,XS(C)::B(E)
- R(h);SBLOCK::QAB(F)
- S(f);N_GUARD::QAB1(F),XS(f)
- R(h);N_GUARD::R(G),XR(h)
- R(h);N_GUARD::R(G)
- R(i);N_GUARD::R1(G)
- B(g);SBLOCK::QAR(F)
- B(g);N_GUARD::B(E),XB(g)
- S(f);N_GUARD::QAB1(F)
- P(c);OGATEB,SBLOCK::R(D),XP(b)
- Refutation
- P(c);XR(D)
- Try
- R(D);
- Vars
- B(a);CHECK,XB(B)::S(C),XB(a)
- R(i);XR(G)::S(H),XR(i)
- R(i);N_GUARD,XS(H)::R1(G)
- P(b);OGATE,XS(C)::B(E)
- R(h);SBLOCK::QAB(F)
- S(f);N_GUARD::QAB1(F),XS(f)
- R(h);N_GUARD::R(G),XR(h)
- R(h);N_GUARD::R(G)
- R(i);N_GUARD::R1(G)
- B(a);N_GUARD::S(C),XP(e)
- B(g);N_GUARD::B(E),XB(g)
- S(f);N_GUARD::QAB1(F)
- P(b);OGATE::B(E)
- P(c);N_GUARD::R1(D)
- Refutation
- B(g);
- Try
- R(D);
- Vars
- B(a);CHECK,XB(B)::S(C),XB(a)
- R(i);XR(G)::S(H),XR(i)
- R(i);N_GUARD,XS(H)::R1(G)
- P(b);OGATE,XS(C)::B(E)
- S(f);N_GUARD::QAB1(F),XS(f)
- R(h);N_GUARD::R(G),XR(h)
- R(h);N_GUARD::R(G)
- R(i);N_GUARD::R1(G)
- B(a);N_GUARD::S(C),XP(e)
- B(g);SBLOCK::QAR(F)
- B(g);N_GUARD::B(E),XB(g)
- S(f);N_GUARD::QAB1(F)
- P(b);OGATE::B(E)
- P(c);N_GUARD::R1(D)
- Refutation
- R(h);
- Try
- Q(F);XP(e)
- Threat
- DUALS(2)
- Vars
- B(a);CHECK,XB(B)::S(C),XB(a)
- R(i);XR(G)::S(H)
- B(g);::QAR1(F),XP(c)
- R(h);::QAR1(F),XP(c)
- R(h);::S(H)
- B(a);::S(H)
- Refutation
- B(a);XQ(F)
- Try
- Actual
- R(D);
- Vars
- B(a);CHECK,XB(B)::S(C),XB(a)
- R(i);XR(G)::S(H),XR(i)
- R(i);N_GUARD,XS(H)::R1(G)
- P(b);OGATE,XS(C)::B(E)
- R(h);SBLOCK::QAB(F)
- S(f);N_GUARD::QAB1(F),XS(f)
- R(h);N_GUARD::R(G),XR(h)
- R(h);N_GUARD::R(G)
- R(i);N_GUARD::R1(G)
- B(a);N_GUARD::S(C),XP(e)
- B(g);SBLOCK::QAR(F)
- B(g);N_GUARD::B(E),XB(g)
- S(f);N_GUARD::QAB1(F)
- P(b);OGATE::B(E)
- P(c);N_GUARD::R1(D)
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).