MESON Chess Problem Database
Problem Display
PID: 153187 (8/8/8/1p3N1p/1p2N2B/1Bp5/2r1k1K1/1Qb5 w - - 0 1)
Blaine, Harry (Harley, Brian)
Morning Post, 1937
(First published on Sat Jun 5 1937)
#2
6 + 7
| 15290 | Harley Scrapbook | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Kd1+
- 2.Qxc2#
- 1...Kd3+
- 2.Qxc2#
- 1...Bb2
- 2.Qxc2#
- 2.Qf1#
- 1...Bd2
- 2.Qf1#
- 1...Ba3
- 2.Qxc2#
- 2.Qf1#
- 1...Be3
- 2.Qf1#
- 1...Bf4
- 2.Qf1#
- 1...Bg5
- 2.Qf1#
- 1...Bh6
- 2.Qf1#
- 1...Kd1+
- Tries
- 1.Bxc2?
- 1...Bb2
- 2.Bd1#
- 2.Bd3#
- 2.Qd1#
- 2.Qe1#
- 2.Qf1#
- 1...Bd2
- 2.Seg3#
- 2.Bd1#
- 2.Bd3#
- 2.Qd1#
- 2.Qf1#
- 1...Ba3
- 2.Bd1#
- 2.Bd3#
- 2.Qd1#
- 2.Qe1#
- 2.Qf1#
- 1...Be3
- 2.Sfg3#
- 2.Bd1#
- 2.Bd3#
- 2.Qd1#
- 2.Qe1#
- 2.Qf1#
- 1...Bf4
- 2.Bd1#
- 2.Bd3#
- 2.Qd1#
- 2.Qe1#
- 2.Qf1#
- 1...Bg5
- 2.Bd1#
- 2.Bd3#
- 2.Qd1#
- 2.Qe1#
- 2.Qf1#
- 1...Bh6
- 2.Bd1#
- 2.Bd3#
- 2.Qd1#
- 2.Qe1#
- 2.Qf1#
- 1...b3!
- 1...Bb2
- 1.Bf2?
- 1...Kd1
- 2.Qxc2#
- 1...Kd3
- 2.Qxc2#
- 1...Ra2
- 2.Sfg3#
- 2.Sd4#
- 1...Rb2
- 2.Sfg3#
- 2.Sd4#
- 1...Rd2
- 2.Seg3#
- 2.Sfg3#
- 1...Bb2
- 2.Qxc2#
- 2.Qf1#
- 1...Bd2
- 2.Qf1#
- 1...Ba3
- 2.Qxc2#
- 2.Qf1#
- 1...Be3
- 2.Qf1#
- 1...Bf4
- 2.Qf1#
- 1...Bg5
- 2.Qf1#
- 1...Bh6
- 2.Qf1#
- 1...h4!
- 1...Kd1
- 1.Qxc1?
- threat
- 2.Qf1#
- 2.Qxc2#
- 1...Kd3+
- 2.Qxc2#
- 1...Ra2
- 2.Qe3#
- 2.Qd1#
- 2.Qf1#
- 1...Rb2
- 2.Qe3#
- 2.Qd1#
- 2.Qf1#
- 1...Rd2
- 2.Qf1#
- 1...Rxc1!
- threat
- 1.Bxc2?
- Keys
- 1.Sc5!
- 1...Kd1+
- 2.Qxc2#
- 1...Kd2
- 2.Qxc2#
- 1...Ra2
- 2.Qd3#
- 1...Rb2
- 2.Qd3#
- 1...Rd2
- 2.Qe4#
- 1...Bb2
- 2.Qxc2#
- 2.Qe1#
- 1...Bd2
- 2.Qf1#
- 1...Ba3
- 2.Qxc2#
- 2.Qe1#
- 1...Be3
- 2.Qe1#
- 1...Bf4
- 2.Qe1#
- 1...Bg5
- 2.Qe1#
- 1...Bh6
- 2.Qe1#
- 1...Kd1+
- 1.Sc5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- K(c);CHECK,P_SPINB(a),P_SPINR(b),S_FLIGHT::QAB1(A),XR(b)
- K(c);CHECK,P_SPINR(b),S_FLIGHT::QAB1(A),XR(b)
- B(a);OGATE::QAB1(A)
- Tries
- Try
- B(C);XR(b)
- Refutation
- P(e);
- Try
- B(E);
- Vars
- K(c);P_PINB(E),P_SPINB(a),P_SPINR(b),S_FLIGHT::QAB1(A),XR(b)
- K(c);P_PINB(E),P_SPINR(b),S_FLIGHT::QAB1(A),XR(b)
- B(a);OGATE::QAB1(A)
- Refutation
- P(g);
- Try
- Q(A);XB(a)
- Threat
- DUALS(2)
- Vars
- K(c);CHECK,S_FLIGHT::QAB1(A),XR(b)
- R(b);::QAB1(A)
- Refutation
- R(b);XQ(A)
- Try
- Actual
- S(D);
- Vars
- K(c);CHECK,P_SPINB(a),P_SPINR(b),S_FLIGHT::QAB1(A),XR(b)
- K(c);P-FLIGHT::QAR1(A),XR(b)
- R(b);OGATE::QAB1(A)
- R(b);OGATE,SBLOCK::QAR2(A)
- B(a);OGATE,SBLOCK::QAB1(A)
- B(a);OGATE::QAR1(A)
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).