MESON Chess Problem Database
Problem Display
PID: 152986 (8/8/4Q3/8/1p1kN3/1r6/B2PK3/8 w - - 0 1)
Harley, Brian
The Observer, 1935
(First published on Sun May 5 1935)
#2
5 + 3
| 15290 | Harley Scrapbook | 2014 |
| 15239 | Valois Notebooks | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Qd5#
- 1...Rb2
- 2.Qd5#
- 1...Ra3
- 2.Qd5#
- 1...Rc3
- 2.Qd5#
- 1...Rd3
- 2.Qd5#
- 1...Re3+
- 2.dxe3#
- 1...Rf3
- 2.Qd5#
- 1...Rg3
- 2.Qd5#
- 1...Rh3
- 2.Qd5#
- 1...Rb1
- Tries
- 1.Kd1?
- 1...Kd3
- 2.Qd5#
- 1...Rb2
- 2.Qd5#
- 1...Ra3
- 2.Qd5#
- 1...Rc3
- 2.Qd5#
- 1...Rd3
- 2.Qd5#
- 1...Re3
- 2.Qd5#
- 1...Rf3
- 2.Qd5#
- 1...Rg3
- 2.Qd5#
- 1...Rh3
- 2.Qd5#
- 1...Rb1+!
- 1...Kd3
- 1.Sf2?
- 1...Re3+
- 2.Qxe3#
- 1...Rb1
- 2.Qd5#
- 2.Qe3#
- 2.Qd6#
- 1...Rb2
- 2.Qd5#
- 2.Qe3#
- 2.Qd6#
- 1...Ra3
- 2.Qd5#
- 2.Qd6#
- 1...Rc3
- 2.Qd5#
- 2.Qd6#
- 1...Rd3
- 2.Qd5#
- 2.Qd6#
- 1...Rf3
- 2.Qd5#
- 2.Qd6#
- 1...Rg3
- 2.Qd5#
- 2.Qd6#
- 1...Rh3
- 2.Qd5#
- 2.Qd6#
- 1...Kc5!
- 1...Re3+
- 1.Sg3?
- 1...Re3+
- 2.Qxe3#
- 1...Rxg3
- 2.Qd5#
- 1...Rb1
- 2.Qd5#
- 2.Qe3#
- 2.Qd6#
- 1...Rb2
- 2.Qd5#
- 2.Qe3#
- 2.Qd6#
- 1...Ra3
- 2.Qd5#
- 2.Qd6#
- 1...Rc3
- 2.Qd5#
- 2.Qd6#
- 1...Rd3
- 2.Qd5#
- 2.Qd6#
- 1...Rf3
- 2.Qd5#
- 2.Qd6#
- 1...Kc5!
- 1...Re3+
- 1.Sc5?
- threat
- 2.Sxb3#
- 1...Re3+
- 2.Qxe3#
- 1...Rb1
- 2.Qd5#
- 2.Qe3#
- 2.Qd6#
- 1...Rb2
- 2.Qd5#
- 2.Qe3#
- 2.Qd6#
- 1...Ra3
- 2.Qd5#
- 2.Qd6#
- 1...Rc3
- 2.Qd5#
- 2.Qd6#
- 1...Rd3
- 2.Qd5#
- 2.Qd6#
- 1...Rf3
- 2.Qd5#
- 2.Qd6#
- 1...Rg3
- 2.Qd5#
- 2.Qd6#
- 1...Rh3
- 2.Qd5#
- 2.Qd6#
- 1...Kxc5!
- threat
- 1.Sg5?
- 1...Re3+
- 2.Qxe3#
- 1...Rb1
- 2.Qd5#
- 2.Qe3#
- 2.Qd6#
- 1...Rb2
- 2.Qd5#
- 2.Qe3#
- 2.Qd6#
- 1...Ra3
- 2.Qd5#
- 2.Qd6#
- 1...Rc3
- 2.Qd5#
- 2.Qd6#
- 1...Rd3
- 2.Qd5#
- 2.Qd6#
- 1...Rf3
- 2.Qd5#
- 2.Qd6#
- 1...Rg3
- 2.Qd5#
- 2.Qd6#
- 1...Rh3
- 2.Qd5#
- 2.Qd6#
- 1...Kc5!
- 1...Re3+
- 1.Sd6?
- 1...Re3+
- 2.Qxe3#
- 1...Rb1
- 2.Qd5#
- 2.Qe3#
- 1...Rb2
- 2.Qd5#
- 2.Qe3#
- 1...Ra3
- 2.Qd5#
- 1...Rc3
- 2.Qd5#
- 1...Rd3
- 2.Qd5#
- 1...Rf3
- 2.Qd5#
- 1...Rg3
- 2.Qd5#
- 1...Rh3
- 2.Qd5#
- 1...Kc5!
- 1...Re3+
- 1.Sf6?
- threat
- 2.Qd5#
- 1...Re3+
- 2.Qxe3#
- 1...Kc5!
- threat
- 1.Qe5+?
- 1...Kc4
- 2.Sd6#
- 2.Qc5#
- 2.d3#
- 1...Kxe5!
- 1...Kc4
- 1.Qd6+?
- 1...Kc4
- 2.Qc5#
- 2.Qd3#
- 1...Kxe4!
- 1...Kc4
- 1.d3?
- threat
- 2.Qd6#
- 1...Rxd3
- 2.Qd5#
- 1...Rb2+!
- threat
- 1.Kd1?
- Keys
- 1.Qf5!
- 1...Re3+
- 2.dxe3#
- 1...Kc4
- 2.Qc5#
- 1...Rb1
- 2.Qd5#
- 1...Rb2
- 2.Qd5#
- 1...Ra3
- 2.Qd5#
- 1...Rc3
- 2.Qd5#
- 1...Rd3
- 2.Qd5#
- 1...Rf3
- 2.Qd5#
- 1...Rg3
- 2.Qd5#
- 1...Rh3
- 2.Qd5#
- 1...Re3+
- 1.Qf5!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(a);::QAR1(E)
- R(a);P_PINP(B)::QAR1(E)
- R(a);CHECK,OGATE::P(B),XR(a)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- K(c);P-FLIGHT::QAR2(E)
- R(a);::QAR1(E)
- R(a);P_PINP(B),SBLOCK::QAR1(E)
- Refutation
- R(a);CHECK
- Try
- S(D);
- Vars
- R(a);CHECK,N_GUARD::QAB1(E),XR(a)
- Refutation
- K(c);S_FLIGHT
- Try
- S(D);
- Vars
- R(a);CHECK,N_GUARD::QAB1(E),XR(a)
- R(a);XS(D)::QAR1(E)
- Refutation
- K(c);S_FLIGHT
- Try
- S(D);
- Threat
- S(D),XR(a)
- Vars
- R(a);CHECK,N_GUARD::QAB1(E),XR(a)
- Refutation
- K(c);S_FLIGHT,XS(D)
- Try
- S(D);
- Vars
- R(a);CHECK,N_GUARD::QAB1(E),XR(a)
- Refutation
- K(c);S_FLIGHT
- Try
- S(D);
- Vars
- R(a);CHECK,N_GUARD::QAB1(E),XR(a)
- R(a);::QAR1(E)
- Refutation
- K(c);S_FLIGHT
- Try
- S(D);
- Threat
- QAR1(E)
- Vars
- R(a);CHECK,N_GUARD::QAB1(E),XR(a)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(E);CHECK
- Refutation
- K(c);S_FLIGHT,XQ(E)
- Try
- Q(E);CHECK
- Refutation
- K(c);P-FLIGHT,XS(D)
- Try
- P(B);
- Threat
- QAR2(E)
- Vars
- R(a);XP(B)::QAR1(E)
- Refutation
- R(a);CHECK
- Try
- Actual
- Q(E);
- Vars
- R(a);CHECK,OGATE::P(B),XR(a)
- K(c);P-FLIGHT,P_SPINR(a)::QAR1(E)
- R(a);::QAR1(E)
- R(a);P_PINP(B)::QAR1(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).