MESON Chess Problem Database
Problem Display
PID: 18029 (8/8/8/K7/p1N5/1bR5/kp2Q3/rr6 w - - 0 1)
Harley, Brian
Time & Tide, 1952
(First published on Sat Apr 26 1952)
#2
4 + 6
| 15290 | Harley Scrapbook | 2015 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Bd1
- 2.Ra3#
- 1...Bc2
- 2.Ra3#
- 1...Bxc4
- 2.Qxc4#
- 1...Rc1
- Tries
- 1.Kb4?
- 1...Bxc4
- 2.Ra3#
- 2.Qxc4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Bd1
- 2.Ra3#
- 1...Bc2
- 2.Ra3#
- 1...a3!
- 1...Bxc4
- 1.Kb5?
- 1...Bxc4+
- 2.Qxc4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Bd1
- 2.Ra3#
- 1...Bc2
- 2.Ra3#
- 1...a3!
- 1...Bxc4+
- 1.Ka6?
- 1...Bxc4+
- 2.Qxc4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Bd1
- 2.Ra3#
- 1...Bc2
- 2.Ra3#
- 1...a3!
- 1...Bxc4+
- 1.Kb6?
- 1...Bxc4
- 2.Qxc4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Bd1
- 2.Ra3#
- 1...Bc2
- 2.Ra3#
- 1...a3!
- 1...Bxc4
- 1.Re3?
- 1...Bxc4
- 2.Qxc4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Bd1
- 2.Ra3#
- 1...Bc2
- 2.Ra3#
- 1...a3!
- 1...Bxc4
- 1.Rf3?
- 1...Bxc4
- 2.Qxc4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Bd1
- 2.Ra3#
- 1...Bc2
- 2.Ra3#
- 1...a3!
- 1...Bxc4
- 1.Rg3?
- 1...Bxc4
- 2.Qxc4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Bd1
- 2.Ra3#
- 1...Bc2
- 2.Ra3#
- 1...a3!
- 1...Bxc4
- 1.Rh3?
- 1...Bxc4
- 2.Qxc4#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Bd1
- 2.Ra3#
- 1...Bc2
- 2.Ra3#
- 1...a3!
- 1...Bxc4
- 1.Kb4?
- Keys
- 1.Qc2!
- 1...Bxc2
- 2.Ra3#
- 1...Bxc4
- 2.Qxa4#
- 1...a3
- 2.Qxb3#
- 1...Rc1
- 2.Qxb2#
- 1...Rd1
- 2.Qxb2#
- 1...Re1
- 2.Qxb2#
- 1...Rf1
- 2.Qxb2#
- 1...Rg1
- 2.Qxb2#
- 1...Rh1
- 2.Qxb2#
- 1...Bxc2
- 1.Qc2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(b);N_GUARD::QAR1(A),XP(d)
- R(b);N_GUARD,SBLOCK::QAR1(A),XP(d)
- B(e);OGATE::R1(B)
- B(e);N_SPINP(d),OGATE::R1(B)
- B(e);OGATE,XS(C)::QAB(A),XB(e)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- R(b);N_GUARD::QAR1(A),XP(d)
- R(b);N_GUARD,SBLOCK::QAR1(A),XP(d)
- B(e);OGATE::R1(B)
- B(e);N_SPINP(d),OGATE::R1(B)
- Refutation
- P(f);
- Try
- K(D);P-FLIGHT
- Vars
- B(e);CHECK,OGATE,XS(C)::QAB(A),XB(e)
- R(b);N_GUARD::QAR1(A),XP(d)
- R(b);N_GUARD,SBLOCK::QAR1(A),XP(d)
- B(e);OGATE::R1(B)
- B(e);N_SPINP(d),OGATE::R1(B)
- Refutation
- P(f);
- Try
- K(D);P-FLIGHT
- Vars
- B(e);CHECK,OGATE,XS(C)::QAB(A),XB(e)
- R(b);N_GUARD::QAR1(A),XP(d)
- R(b);N_GUARD,SBLOCK::QAR1(A),XP(d)
- B(e);OGATE::R1(B)
- B(e);N_SPINP(d),OGATE::R1(B)
- Refutation
- P(f);
- Try
- K(D);S_FLIGHT
- Vars
- B(e);OGATE,XS(C)::QAB(A),XB(e)
- R(b);N_GUARD::QAR1(A),XP(d)
- R(b);N_GUARD,SBLOCK::QAR1(A),XP(d)
- B(e);OGATE::R1(B)
- B(e);N_SPINP(d),OGATE::R1(B)
- Refutation
- P(f);
- Try
- R(B);
- Vars
- B(e);OGATE,XS(C)::QAB(A),XB(e)
- R(b);N_GUARD::QAR1(A),XP(d)
- R(b);N_GUARD,SBLOCK::QAR1(A),XP(d)
- B(e);OGATE::R1(B)
- B(e);N_SPINP(d),OGATE::R1(B)
- Refutation
- P(f);
- Try
- R(B);
- Vars
- B(e);OGATE,XS(C)::QAB(A),XB(e)
- R(b);N_GUARD::QAR1(A),XP(d)
- R(b);N_GUARD,SBLOCK::QAR1(A),XP(d)
- B(e);OGATE::R1(B)
- B(e);N_SPINP(d),OGATE::R1(B)
- Refutation
- P(f);
- Try
- R(B);
- Vars
- B(e);OGATE,XS(C)::QAB(A),XB(e)
- R(b);N_GUARD::QAR1(A),XP(d)
- R(b);N_GUARD,SBLOCK::QAR1(A),XP(d)
- B(e);OGATE::R1(B)
- B(e);N_SPINP(d),OGATE::R1(B)
- Refutation
- P(f);
- Try
- R(B);
- Vars
- B(e);OGATE,XS(C)::QAB(A),XB(e)
- R(b);N_GUARD::QAR1(A),XP(d)
- B(e);OGATE::R1(B)
- B(e);N_SPINP(d),OGATE::R1(B)
- Refutation
- P(f);
- Try
- Actual
- Q(A);
- Vars
- B(e);N_SPINP(d),OGATE,XQ(A)::R1(B)
- B(e);OGATE,XS(C)::QAR2(A),XP(f)
- P(f);N_GUARD::QAB1(A),XB(e)
- R(b);N_GUARD::QAR1(A),XP(d)
- R(b);N_GUARD,SBLOCK::QAR1(A),XP(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).