MESON Chess Problem Database
Problem Display
PID: 2769 (5r2/5p2/2R5/r4kpp/2Q5/4R2P/5pN1/1bK5 w - - 0 1)
Wainwright, Joseph CJ
Source?, 0000
#2
6 + 8
| 2794 | Terms & Themes of Chess Problems | 1907 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra2
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra3
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra4
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Rb5
- 2.Qxb5#
- 1...Rc5
- 2.Qxc5#
- 1...Rd5
- 2.Qxd5#
- 1...Re5
- 2.Rf3#
- 1...Ra6
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra7
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Raa8
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Rfa8
- 2.Qxf7#
- 1...Rb8
- 2.Qxf7#
- 1...Rc8
- 2.Qxf7#
- 1...Rd8
- 2.Qxf7#
- 1...Re8
- 2.Qxf7#
- 1...Rg8
- 2.Qxf7#
- 1...Rh8
- 2.Qxf7#
- 1...Ba2
- 2.Qd3#
- 2.Qc2#
- 2.Qe4#
- 1...Bc2
- 2.Qxc2#
- 1...Bd3
- 2.Qxd3#
- 1...Be4
- 2.Qxe4#
- 1...f1Q+
- 2.Qxf1#
- 1...f1S
- 2.Qxf1#
- 1...f1B
- 2.Qxf1#
- 1...f1R+
- 2.Qxf1#
- 1...g4
- 2.Qf4#
- 1...h4
- 2.Qg4#
- 1...Ra1
- Tries
- 1.Ree6?
- threat
- 2.Se3#
- 1...f1Q+
- 2.Qxf1#
- 1...f1R+
- 2.Qxf1#
- 1...fxe6
- 2.Qxe6#
- 1...g4
- 2.Qf4#
- 1...f1S
- 2.Qxf1#
- 1...Ra3
- 2.Rc5#
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Re5
- 2.Rf6#
- 1...Be4
- 2.Qxe4#
- 1...f6!
- threat
- 1.Rb6?
- 1...f1Q+
- 2.Qxf1#
- 1...f1R+
- 2.Qxf1#
- 1...Be4
- 2.Qxe4#
- 1...g4
- 2.Qf4#
- 1...f1S
- 2.Qxf1#
- 1...f1B
- 2.Qxf1#
- 1...Ra1
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra2
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra3
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra4
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Rb5
- 2.Qxb5#
- 1...Rc5
- 2.Qxc5#
- 1...Rd5
- 2.Qxd5#
- 1...Re5
- 2.Rf3#
- 1...Ra6
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra7
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Raa8
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Rfa8
- 2.Qxf7#
- 1...Rb8
- 2.Qxf7#
- 1...Rc8
- 2.Qxc8#
- 1...Rd8
- 2.Qxf7#
- 1...Re8
- 2.Qxf7#
- 1...Rg8
- 2.Qxf7#
- 1...Rh8
- 2.Qxf7#
- 1...Ba2
- 2.Qd3#
- 2.Qc2#
- 2.Qe4#
- 1...Bc2
- 2.Qxc2#
- 1...Bd3
- 2.Qxd3#
- 1...h4
- 2.Qg4#
- 1...f6!
- 1...f1Q+
- 1.Rd6?
- 1...f1Q+
- 2.Qxf1#
- 1...f1R+
- 2.Qxf1#
- 1...Be4
- 2.Qxe4#
- 1...g4
- 2.Qf4#
- 1...f1S
- 2.Qxf1#
- 1...f1B
- 2.Qxf1#
- 1...Ra1
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra2
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra3
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra4
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Rb5
- 2.Qxb5#
- 1...Rc5
- 2.Qxc5#
- 1...Rd5
- 2.Qxd5#
- 1...Re5
- 2.Rf3#
- 1...Ra6
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra7
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Raa8
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Rfa8
- 2.Qxf7#
- 1...Rb8
- 2.Qxf7#
- 1...Rc8
- 2.Qxc8#
- 1...Rd8
- 2.Qxf7#
- 1...Re8
- 2.Qxf7#
- 1...Rg8
- 2.Qxf7#
- 1...Rh8
- 2.Qxf7#
- 1...Ba2
- 2.Qd3#
- 2.Qc2#
- 2.Qe4#
- 1...Bc2
- 2.Qxc2#
- 1...Bd3
- 2.Qxd3#
- 1...h4
- 2.Qg4#
- 1...f6!
- 1...f1Q+
- 1.Rce6?
- threat
- 2.Rf3#
- 1...f1Q+
- 2.Qxf1#
- 1...f1R+
- 2.Qxf1#
- 1...fxe6
- 2.Qxe6#
- 1...g4
- 2.Qf4#
- 1...Ra3
- 2.R3e5#
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Rd5
- 2.Qxd5#
- 1...Be4
- 2.Qxe4#
- 1...f6!
- threat
- 1.Ree6?
- Keys
- 1.Rh6!
- 1...f1Q+
- 2.Qxf1#
- 1...f1R+
- 2.Qxf1#
- 1...Be4
- 2.Qxe4#
- 1...g4
- 2.Qf4#
- 1...f1S
- 2.Qxf1#
- 1...f1B
- 2.Qxf1#
- 1...Ra1
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra2
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra3
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra4
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Rb5
- 2.Qxb5#
- 1...Rc5
- 2.Qxc5#
- 1...Rd5
- 2.Qxd5#
- 1...Re5
- 2.Rf3#
- 1...Ra6
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Ra7
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Raa8
- 2.Qb5#
- 2.Qd5#
- 2.Qc5#
- 1...Rfa8
- 2.Qxf7#
- 1...Rb8
- 2.Qxf7#
- 1...Rc8
- 2.Qxc8#
- 1...Rd8
- 2.Qxf7#
- 1...Re8
- 2.Qxf7#
- 1...Rg8
- 2.Qxf7#
- 1...Rh8
- 2.Qxf7#
- 1...Ba2
- 2.Qd3#
- 2.Qc2#
- 2.Qe4#
- 1...Bc2
- 2.Qxc2#
- 1...Bd3
- 2.Qxd3#
- 1...h4
- 2.Qg4#
- 1...f6
- 2.Qe6#
- 1...f1Q+
- 1.Rh6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD::QAR(E),XR(c)
- R(c);N_GUARD,P_PINQ(E)::QAR(E),XR(c)
- R(c);N_GUARD::QAR2(E),XR(c)
- R(c);SBLOCK::R(C)
- R(h);N_GUARD::QAR2(E),XP(g)
- B(a);N_GUARD::QAB(E),XB(a)
- B(a);N_GUARD::QAB1(E),XB(a)
- P(b);CHECK,OGATEB::QAR(E),XQ(b)
- P(b);OGATEB::QAR(E),XS(b)
- P(b);OGATEB::QAR(E),XB(b)
- P(b);CHECK,OGATEB::QAR(E),XR(b)
- P(e);N_GUARD::QAR1(E)
- P(f);N_GUARD::QAB1(E)
- Tries
- Try
- R(C);
- Threat
- S(B)
- Vars
- P(b);CHECK,OGATEB::QAR(E),XQ(b)
- P(b);CHECK,OGATEB::QAR(E),XR(b)
- P(g);OGATE,XR(C)::QAB1(E),XP(g)
- P(e);N_GUARD::QAR1(E)
- P(b);OGATEB::QAR(E),XS(b)
- R(c);SBLOCK::R1(C)
- B(a);N_GUARD::QAB1(E),XB(a)
- Refutation
- P(g);
- Try
- R(F);
- Vars
- P(b);CHECK,OGATEB::QAR(E),XQ(b)
- P(b);CHECK,OGATEB::QAR(E),XR(b)
- B(a);N_GUARD::QAB1(E),XB(a)
- P(e);N_GUARD::QAR1(E)
- P(b);OGATEB::QAR(E),XS(b)
- P(b);OGATEB::QAR(E),XB(b)
- R(c);N_GUARD::QAR(E),XR(c)
- R(c);N_GUARD,P_PINQ(E)::QAR(E),XR(c)
- R(c);N_GUARD::QAR2(E),XR(c)
- R(c);SBLOCK::R(C)
- R(h);N_GUARD::QAR2(E),XP(g)
- R(h);N_GUARD,P_PINQ(E)::QAB(E),XR(h)
- B(a);N_GUARD::QAB(E),XB(a)
- P(f);N_GUARD::QAB1(E)
- Refutation
- P(g);
- Try
- R(F);
- Vars
- P(b);CHECK,OGATEB::QAR(E),XQ(b)
- P(b);CHECK,OGATEB::QAR(E),XR(b)
- B(a);N_GUARD::QAB1(E),XB(a)
- P(e);N_GUARD::QAR1(E)
- P(b);OGATEB::QAR(E),XS(b)
- P(b);OGATEB::QAR(E),XB(b)
- R(c);N_GUARD::QAR(E),XR(c)
- R(c);N_GUARD,P_PINQ(E)::QAR(E),XR(c)
- R(c);N_GUARD::QAR2(E),XR(c)
- R(c);SBLOCK::R(C)
- R(h);N_GUARD::QAR2(E),XP(g)
- R(h);N_GUARD,P_PINQ(E)::QAB(E),XR(h)
- B(a);N_GUARD::QAB(E),XB(a)
- P(f);N_GUARD::QAB1(E)
- Refutation
- P(g);
- Try
- R(F);
- Threat
- R(C)
- Vars
- P(b);CHECK,OGATEB::QAR(E),XQ(b)
- P(b);CHECK,OGATEB::QAR(E),XR(b)
- P(g);OGATE,XR(F)::QAB1(E),XP(g)
- P(e);N_GUARD::QAR1(E)
- R(c);N_GUARD::QAR2(E),XR(c)
- B(a);N_GUARD::QAB1(E),XB(a)
- Refutation
- P(g);
- Try
- Actual
- R(F);
- Vars
- P(b);CHECK,OGATEB::QAR(E),XQ(b)
- P(b);CHECK,OGATEB::QAR(E),XR(b)
- B(a);N_GUARD::QAB1(E),XB(a)
- P(e);N_GUARD::QAR1(E)
- P(b);OGATEB::QAR(E),XS(b)
- P(b);OGATEB::QAR(E),XB(b)
- R(c);N_GUARD::QAR(E),XR(c)
- R(c);N_GUARD,P_PINQ(E)::QAR(E),XR(c)
- R(c);N_GUARD::QAR2(E),XR(c)
- R(c);SBLOCK::R(C)
- R(h);N_GUARD::QAR2(E),XP(g)
- R(h);N_GUARD,P_PINQ(E)::QAB(E),XR(h)
- B(a);N_GUARD::QAB(E),XB(a)
- P(f);N_GUARD::QAB1(E)
- P(g);N_GUARD::QAB1(E)
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).