MESON Chess Problem Database
Problem Display
PID: 155035 (2r3NK/7P/8/1P1kpRN1/1Q6/B1n5/1n6/8 w - - 0 1)
Williams, Philip Hamilton
Daily Mail, 1907
#2
8 + 5
| 15351 | SCPF/BCPS Black Books | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Rc4
- 2.Qd6#
- 1...Rc5
- 2.Qxc5#
- 1...Rc6
- 2.Se7#
- 1...Rc7
- 2.Sf6#
- 1...Ra8
- 2.Qc5#
- 1...Rb8
- 2.Qc5#
- 1...Rd8
- 2.Qc5#
- 1...Re8
- 2.Qc5#
- 1...Rf8
- 2.Qc5#
- 1...Rxg8+
- 2.hxg8Q#
- 2.hxg8B#
- 1...Sb1
- 2.Qe4#
- 1...Sd1
- 2.Qe4#
- 1...Sa2
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sxb5
- 2.Qe4#
- 1...Rc4
- Tries
- 1.Rf6?
- threat
- 2.Rd6#
- 1...Rxg8+
- 2.hxg8Q#
- 2.hxg8B#
- 1...Sxb5
- 2.Qe4#
- 1...e4
- 2.Rf5#
- 1...Rc5
- 2.Se7#
- 2.Qxc5#
- 1...Rc6
- 2.Se7#
- 1...Rd8
- 2.Qc5#
- 1...Se4
- 2.Qxe4#
- 1...Sc4!
- threat
- 1.Rf8?
- threat
- 2.Sf6#
- 2.Se7#
- 1...Rxf8
- 2.Qc5#
- 1...Sxb5
- 2.Se7#
- 2.Qe4#
- 1...Rc4
- 2.Rd8#
- 2.Qd6#
- 1...Rc5
- 2.Rd8#
- 2.Qxc5#
- 1...e4
- 2.Rf5#
- 1...Rc6
- 2.Se7#
- 1...Rc7
- 2.Sf6#
- 1...Re8
- 2.Sf6#
- 2.Qc5#
- 1...Se4
- 2.Se7#
- 2.Qxe4#
- 1...Sc4!
- threat
- 1.Qxc3?
- threat
- 2.Rxe5#
- 1...Rxg8+
- 2.hxg8Q#
- 2.hxg8B#
- 1...Rc5
- 2.Qxc5#
- 1...Re8
- 2.Qc5#
- 1...Sd3
- 2.Qxd3#
- 1...Sc4
- 2.Qd3#
- 1...Rxc3!
- threat
- 1.Rf6?
- Keys
- 1.Rf3!
- 1...Rxg8+
- 2.hxg8Q#
- 2.hxg8B#
- 1...Sxb5
- 2.Qe4#
- 1...Rc4
- 2.Qd6#
- 1...Rc5
- 2.Qxc5#
- 1...Sc4
- 2.Rd3#
- 1...e4
- 2.Rf5#
- 1...Rc6
- 2.Se7#
- 1...Rc7
- 2.Sf6#
- 1...Ra8
- 2.Qc5#
- 1...Rb8
- 2.Qc5#
- 1...Rd8
- 2.Qc5#
- 1...Re8
- 2.Qc5#
- 1...Rf8
- 2.Qc5#
- 1...Sbd1
- 2.Rd3#
- 1...Sd3
- 2.Rxd3#
- 1...Sba4
- 2.Rd3#
- 1...Sb1
- 2.Qe4#
- 1...Scd1
- 2.Qe4#
- 1...Sa2
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Sca4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Rxg8+
- 1.Rf3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- R(e);N_PINS(G),SBLOCK::QAR1(B)
- R(e);N_GUARD,N_PINS(G)::QAR1(B),XR(e)
- R(e);N_PINS(G)::S(G)
- R(e);N_GUARD::QAR1(B)
- R(e);CHECK,OGATE,XS(G)::PXR(e)=Q
- S(b);N_GUARD::QAB1(B)
- S(b);N_GUARD::QAB1(B),XS(b)
- S(b);N_GUARD,XP(C)::QAB1(B)
- Tries
- Try
- R(D);N_PINP(d)
- Threat
- R1(D)
- Vars
- R(e);CHECK,OGATE,XS(G)::PXR(e)=Q
- S(b);N_GUARD,XP(C)::QAB1(B)
- P(d);OGATEB::R(D)
- R(e);N_PINS(G)::S(G)
- R(e);N_GUARD::QAR1(B)
- S(b);N_GUARD::QAB1(B),XS(b)
- Refutation
- S(a);
- Try
- R(D);N_PINP(d),N_SPINS(G)
- Threat
- DUALS(2)
- Vars
- R(e);N_GUARD,P_PINS(G),XR(D)::QAR1(B)
- P(d);OGATEB::R(D)
- R(e);::S(G)
- Refutation
- S(a);
- Try
- Q(B);XS(b)
- Threat
- R1(D),XP(d)
- Vars
- R(e);CHECK,OGATE,XS(G)::PXR(e)=Q
- R(e);N_GUARD,N_PINS(G)::QAR1(B),XR(e)
- R(e);N_GUARD::QAR1(B)
- S(a);N_GUARD::QAR2(B),XS(a)
- S(a);N_GUARD::QAR2(B)
- Refutation
- R(e);N_PINS(G),XQ(B)
- Try
- Actual
- R(D);N_PINP(d)
- Vars
- R(e);CHECK,OGATE,XS(G)::PXR(e)=Q
- S(b);N_GUARD,XP(C)::QAB1(B)
- R(e);N_PINS(G),SBLOCK::QAR1(B)
- R(e);N_GUARD,N_PINS(G)::QAR1(B),XR(e)
- S(a);N_GUARD::R(D)
- P(d);OGATEB::R(D)
- R(e);N_PINS(G)::S(G)
- R(e);N_GUARD::QAR1(B)
- S(a);N_GUARD::R(D),XS(a)
- S(b);N_GUARD::QAB1(B)
- S(b);N_GUARD::QAB1(B),XS(b)
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).