MESON Chess Problem Database
Problem Display
PID: 88947 (8/B1p5/1nB5/6p1/1pkP2P1/1R6/K1p5/Q6R w - - 0 1)
Niemeijer, Meindert
The Problemist, 1976
#2
8 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sa4
- 2.Qf1#
- 1...Sd5
- 2.Qf1#
- 1...Sd7
- 2.Qf1#
- 1...Sa8
- 2.Qf1#
- 1...Sc8
- 2.Qf1#
- 1...c1Q
- 2.Rxc1#
- 1...c1S+
- 2.Rxc1#
- 1...c1B
- 2.Rxc1#
- 1...c1R
- 2.Rxc1#
- 1...Sa4
- Tries
- 1.Bxb6?
- threat
- 2.Qf1#
- 1...c1S+
- 2.Rxc1#
- 2.Qxc1#
- 1...c1Q
- 2.Rxc1#
- 2.Qxc1#
- 1...c1B
- 2.Rxc1#
- 2.Qxc1#
- 1...c1R
- 2.Rxc1#
- 2.Qxc1#
- 1...cxb6!
- threat
- 1.Re3?
- 1...c1S+
- 2.Rxc1#
- 1...c1Q
- 2.Rxc1#
- 1...c1B
- 2.Rxc1#
- 1...c1R
- 2.Rxc1#
- 1...Sa4
- 2.Qf1#
- 1...Sd5
- 2.Qf1#
- 1...Sd7
- 2.Qf1#
- 1...Sa8
- 2.Qf1#
- 1...Sc8
- 2.Qf1#
- 1...b3+!
- 1...c1S+
- 1.Rf3?
- 1...c1S+
- 2.Rxc1#
- 1...c1Q
- 2.Rxc1#
- 1...c1B
- 2.Rxc1#
- 1...c1R
- 2.Rxc1#
- 1...Sa4
- 2.Qf1#
- 1...Sd5
- 2.Qf1#
- 1...Sd7
- 2.Qf1#
- 1...Sa8
- 2.Qf1#
- 1...Sc8
- 2.Qf1#
- 1...b3+!
- 1...c1S+
- 1.Rg3?
- 1...c1S+
- 2.Rxc1#
- 1...c1Q
- 2.Rxc1#
- 1...c1B
- 2.Rxc1#
- 1...c1R
- 2.Rxc1#
- 1...Sa4
- 2.Qf1#
- 1...Sd5
- 2.Qf1#
- 1...Sd7
- 2.Qf1#
- 1...Sa8
- 2.Qf1#
- 1...Sc8
- 2.Qf1#
- 1...b3+!
- 1...c1S+
- 1.Rbh3?
- 1...c1S+
- 2.Rxc1#
- 1...c1Q
- 2.Rxc1#
- 1...c1B
- 2.Rxc1#
- 1...c1R
- 2.Rxc1#
- 1...Sa4
- 2.Qf1#
- 1...Sd5
- 2.Qf1#
- 1...Sd7
- 2.Qf1#
- 1...Sa8
- 2.Qf1#
- 1...Sc8
- 2.Qf1#
- 1...b3+!
- 1...c1S+
- 1.Qc1?
- 1...Sa4
- 2.Qf1#
- 1...Sd5
- 2.Qf1#
- 1...Sd7
- 2.Qf1#
- 2.Qxc2#
- 1...Sa8
- 2.Qf1#
- 2.Qxc2#
- 1...Sc8
- 2.Qf1#
- 2.Qxc2#
- 1...Kxd4!
- 1...Sa4
- 1.d5?
- 1...c1S+
- 2.Rxc1#
- 1...Sxd5
- 2.Qd4#
- 2.Qf1#
- 1...c1Q
- 2.Rxc1#
- 1...c1B
- 2.Rxc1#
- 1...c1R
- 2.Rxc1#
- 1...Sa4
- 2.Qd4#
- 2.Qf1#
- 1...Sd7
- 2.Qd4#
- 2.Qf1#
- 1...Sa8
- 2.Qd4#
- 2.Qf1#
- 1...Sc8
- 2.Qd4#
- 2.Qf1#
- 1...Kc5!
- 1...c1S+
- 1.Bxb6?
- Keys
- 1.Rg1!
- 1...c1S+
- 2.Rxc1#
- 1...c1Q
- 2.Rxc1#
- 1...c1B
- 2.Rxc1#
- 1...c1R
- 2.Rxc1#
- 1...Sa4
- 2.Qf1#
- 1...Sd5
- 2.Qf1#
- 1...Sd7
- 2.Qf1#
- 1...Sa8
- 2.Qf1#
- 1...Sc8
- 2.Qf1#
- 1...c1S+
- 1.Rg1!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(e);::QAB(A)
- P(a);OGATEB::R(B),XQ(a)
- P(a);CHECK,OGATEB::R(B),XS(a)
- P(a);OGATEB::R(B),XB(a)
- P(a);OGATEB::R(B),XR(a)
- Tries
- Try
- B(H);XS(e)
- Threat
- QAB(A)
- Refutation
- P(f);XB(H)
- Try
- R(D);
- Vars
- P(a);CHECK,OGATEB::R(B),XS(a)
- P(a);OGATEB::R(B),XQ(a)
- P(a);OGATEB::R(B),XB(a)
- P(a);OGATEB::R(B),XR(a)
- S(e);::QAB(A)
- Refutation
- P(b);CHECK
- Try
- R(D);
- Vars
- P(a);CHECK,OGATEB::R(B),XS(a)
- P(a);OGATEB::R(B),XQ(a)
- P(a);OGATEB::R(B),XB(a)
- P(a);OGATEB::R(B),XR(a)
- S(e);::QAB(A)
- Refutation
- P(b);CHECK
- Try
- R(D);
- Vars
- P(a);CHECK,OGATEB::R(B),XS(a)
- P(a);OGATEB::R(B),XQ(a)
- P(a);OGATEB::R(B),XB(a)
- P(a);OGATEB::R(B),XR(a)
- S(e);::QAB(A)
- Refutation
- P(b);CHECK
- Try
- R(D);
- Vars
- P(a);CHECK,OGATEB::R(B),XS(a)
- P(a);OGATEB::R(B),XQ(a)
- P(a);OGATEB::R(B),XB(a)
- P(a);OGATEB::R(B),XR(a)
- S(e);::QAB(A)
- Refutation
- P(b);CHECK
- Try
- Q(A);P_PINP(a)
- Vars
- S(e);::QAB(A)
- Refutation
- K(c);N_SPINP(a),P-FLIGHT,P_SPINS(e),XP(E)
- Try
- P(E);
- Vars
- P(a);CHECK,OGATEB::R(B),XS(a)
- P(a);OGATEB::R(B),XQ(a)
- P(a);OGATEB::R(B),XB(a)
- P(a);OGATEB::R(B),XR(a)
- Refutation
- K(c);P-FLIGHT,P_SPINS(e)
- Try
- Actual
- R(B);
- Vars
- P(a);CHECK,OGATEB::R(B),XS(a)
- P(a);OGATEB::R(B),XQ(a)
- P(a);OGATEB::R(B),XB(a)
- P(a);OGATEB::R(B),XR(a)
- S(e);::QAB(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).