MESON Chess Problem Database
Problem Display
PID: 58525 (3rN3/1Q6/2n1p3/r2k4/4RP2/4BK2/b7/8 w - - 0 1)
Kipping, Cyril Stanley
Pittsburgh Sun, 1916
#2
6 + 6
| 4792 | 300 Chess Problems | 1916 |
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Qb5#
- 1...Ra4
- 2.Qb5#
- 1...Rb5
- 2.Qxb5#
- 1...Rc5
- 2.Rd4#
- 1...Ra6
- 2.Qb5#
- 1...Ra7
- 2.Qb5#
- 1...Raa8
- 2.Qb5#
- 1...Rd6
- 2.Sf6#
- 2.Sc7#
- 1...Rd7
- 2.Qxd7#
- 1...Rda8
- 2.Qd7#
- 1...Rb8
- 2.Qd7#
- 1...Rc8
- 2.Qd7#
- 1...Rxe8
- 2.Qd7#
- 1...Bb1
- 2.Qb3#
- 1...Bb3
- 2.Qxb3#
- 1...Bc4
- 2.Re5#
- 1...e5
- 2.Qf7#
- 1...Ra3
- Tries
- 1.Bg1?
- 1...Rxe8
- 2.Qd7#
- 1...e5
- 2.Qf7#
- 1...Ra4
- 2.Qb5#
- 1...Rb5
- 2.Qxb5#
- 1...Rc5
- 2.Rd4#
- 1...Ra6
- 2.Qb5#
- 1...Ra7
- 2.Qb5#
- 1...Raa8
- 2.Qb5#
- 1...Rd6
- 2.Sf6#
- 2.Sc7#
- 1...Rd7
- 2.Qxd7#
- 1...Rda8
- 2.Qd7#
- 1...Rb8
- 2.Qd7#
- 1...Rc8
- 2.Qd7#
- 1...Bb1
- 2.Qb3#
- 1...Bb3
- 2.Qxb3#
- 1...Bc4
- 2.Re5#
- 1...Ra3+!
- 1...Rxe8
- 1.Bf2?
- 1...Rxe8
- 2.Qd7#
- 1...e5
- 2.Qf7#
- 1...Ra4
- 2.Qb5#
- 1...Rb5
- 2.Qxb5#
- 1...Rc5
- 2.Rd4#
- 1...Ra6
- 2.Qb5#
- 1...Ra7
- 2.Qb5#
- 1...Raa8
- 2.Qb5#
- 1...Rd6
- 2.Sf6#
- 2.Sc7#
- 1...Rd7
- 2.Qxd7#
- 1...Rda8
- 2.Qd7#
- 1...Rb8
- 2.Qd7#
- 1...Rc8
- 2.Qd7#
- 1...Bb1
- 2.Qb3#
- 1...Bb3
- 2.Qxb3#
- 1...Bc4
- 2.Re5#
- 1...Ra3+!
- 1...Rxe8
- 1.Ra4?
- 1...Rxa4
- 2.Qb5#
- 1...Rxe8
- 2.Qd7#
- 1...e5
- 2.Qf7#
- 1...Rb5
- 2.Qxb5#
- 1...Rc5
- 2.Rd4#
- 1...Ra6
- 2.Qb5#
- 1...Ra7
- 2.Qb5#
- 1...Raa8
- 2.Qb5#
- 1...Rd6
- 2.Sf6#
- 2.Sc7#
- 1...Rd7
- 2.Qxd7#
- 1...Rda8
- 2.Qd7#
- 1...Rb8
- 2.Qd7#
- 1...Rc8
- 2.Qd7#
- 1...Bb1
- 2.Qb3#
- 1...Bb3
- 2.Qxb3#
- 1...Bc4!
- 1...Rxa4
- 1.Bg1?
- Keys
- 1.Qc7!
- threat
- 2.Sf6#
- 1...Sd4+
- 2.Rxd4#
- 1...Se5+
- 2.Rxe5#
- 1...Rxe8
- 2.Qd7#
- 1...e5
- 2.Qf7#
- threat
- 1.Qc7!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 14
- Sets
- R(b);N_GUARD,P_PINB(A)::QAR2(E)
- R(b);N_GUARD::QAR2(E)
- R(b);N_GUARD::QAR2(E),XR(b)
- R(b);SBLOCK::R1(C)
- R(f);N_GUARD::QAR2(E),XR(f)
- R(f);N_GUARD::QAR2(E)
- R(f);N_GUARD,XS(F)::QAR2(E)
- B(a);N_GUARD::QAB(E)
- B(a);N_GUARD::QAB(E),XB(a)
- B(a);SBLOCK::R1(C)
- P(e);OGATEB::QAB(E)
- Tries
- Try
- B(A);
- Vars
- R(f);N_GUARD,XS(F)::QAR2(E)
- P(e);OGATEB::QAB(E)
- R(b);N_GUARD::QAR2(E)
- R(b);N_GUARD::QAR2(E),XR(b)
- R(b);SBLOCK::R1(C)
- R(f);N_GUARD::QAR2(E),XR(f)
- R(f);N_GUARD::QAR2(E)
- B(a);N_GUARD::QAB(E)
- B(a);N_GUARD::QAB(E),XB(a)
- B(a);SBLOCK::R1(C)
- Refutation
- R(b);CHECK
- Try
- B(A);
- Vars
- R(f);N_GUARD,XS(F)::QAR2(E)
- P(e);OGATEB::QAB(E)
- R(b);N_GUARD::QAR2(E)
- R(b);N_GUARD::QAR2(E),XR(b)
- R(b);SBLOCK::R1(C)
- R(f);N_GUARD::QAR2(E),XR(f)
- R(f);N_GUARD::QAR2(E)
- B(a);N_GUARD::QAB(E)
- B(a);N_GUARD::QAB(E),XB(a)
- B(a);SBLOCK::R1(C)
- Refutation
- R(b);CHECK
- Try
- R(C);
- Vars
- R(b);N_GUARD,XR(C)::QAR2(E)
- R(f);N_GUARD,XS(F)::QAR2(E)
- P(e);OGATEB::QAB(E)
- R(b);N_GUARD::QAR2(E),XR(b)
- R(b);SBLOCK::R1(C)
- R(b);N_GUARD::QAR2(E)
- R(f);N_GUARD::QAR2(E),XR(f)
- R(f);N_GUARD::QAR2(E)
- B(a);N_GUARD::QAB(E)
- B(a);N_GUARD::QAB(E),XB(a)
- Refutation
- B(a);
- Try
- Actual
- Q(E);N_PINS(d)
- Threat
- S(F)
- Vars
- S(d);CHECK,N_GUARD::R1(C),XS(d)
- R(f);N_GUARD,XS(F)::QAR2(E)
- P(e);OGATEB::QAB(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).