MESON Chess Problem Database
Problem Display
PID: 91491 (8/2p1N3/2Pp4/RpkN4/3p4/1p1P4/bKpP4/Q7 w - - 0 1)
Visserman, Eeltje
van Dalfsen, Pieter Barend
3rd Prize, Probleemblad 062. TT, 1945
#2
8 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bb1
- 2.Qa3#
- 1...c1Q+
- 2.Qxc1#
- 1...c1S
- 2.Qxc1#
- 1...c1B+
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Bb1
- Tries
- 1.Kc1?
- 1...Bb1
- 2.Qa3#
- 1...b2+!
- 1...Bb1
- 1.Rxa2?
- 1...c1Q+
- 2.Qxc1#
- 1...c1B+
- 2.Qxc1#
- 1...b4
- 2.Ra5#
- 1...c1S
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...bxa2!
- 1...c1Q+
- 1.Ra3?
- 1...c1Q+
- 2.Qxc1#
- 1...c1B+
- 2.Qxc1#
- 1...b4
- 2.Ra5#
- 1...c1S
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Bb1!
- 1...c1Q+
- 1.Ra6?
- 1...c1Q+
- 2.Qxc1#
- 1...c1B+
- 2.Qxc1#
- 1...b4
- 2.Ra5#
- 1...c1S
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Bb1!
- 1...c1Q+
- 1.Ra7?
- 1...c1Q+
- 2.Qxc1#
- 1...c1B+
- 2.Qxc1#
- 1...b4
- 2.Ra5#
- 1...c1S
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Bb1!
- 1...c1Q+
- 1.Qe1?
- 1...c1Q+
- 2.Qxc1#
- 1...c1B+
- 2.Qxc1#
- 1...c1S
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Bb1!
- 1...c1Q+
- 1.Qf1?
- 1...c1Q+
- 2.Qxc1#
- 1...c1B+
- 2.Qxc1#
- 1...c1S
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Bb1!
- 1...c1Q+
- 1.Qg1?
- 1...c1Q+
- 2.Qxc1#
- 1...c1B+
- 2.Qxc1#
- 1...c1S
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Bb1!
- 1...c1Q+
- 1.Qh1?
- 1...c1Q+
- 2.Qxc1#
- 1...c1B+
- 2.Qxc1#
- 1...c1S
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Bb1!
- 1...c1Q+
- 1.Kc1?
- Keys
- 1.Ra8!
- 1...c1Q+
- 2.Qxc1#
- 1...c1B+
- 2.Qxc1#
- 1...b4
- 2.Ra5#
- 1...c1S
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Bb1
- 2.Qa7#
- 1...c1Q+
- 1.Ra8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(a);OGATE::QAB(A)
- P(b);CHECK,OGATEB::QAR(A),XQ(b)
- P(b);OGATEB::QAR(A),XS(b)
- P(b);CHECK,OGATEB::QAR(A),XB(b)
- P(b);OGATEB::QAR(A),XR(b)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- B(a);OGATE::QAB(A)
- Refutation
- P(c);CHECK
- Try
- R(E);N_PINP(e),XB(a)
- Vars
- P(b);CHECK,OGATEB::QAR(A),XQ(b)
- P(b);CHECK,OGATEB::QAR(A),XB(b)
- P(e);OGATEB::R(E)
- P(b);OGATEB::QAR(A),XS(b)
- P(b);OGATEB::QAR(A),XR(b)
- Refutation
- P(c);XR(E)
- Try
- R(E);N_PINP(e)
- Vars
- P(b);CHECK,OGATEB::QAR(A),XQ(b)
- P(b);CHECK,OGATEB::QAR(A),XB(b)
- P(e);OGATEB::R(E)
- P(b);OGATEB::QAR(A),XS(b)
- P(b);OGATEB::QAR(A),XR(b)
- Refutation
- B(a);
- Try
- R(E);N_PINP(e)
- Vars
- P(b);CHECK,OGATEB::QAR(A),XQ(b)
- P(b);CHECK,OGATEB::QAR(A),XB(b)
- P(e);OGATEB::R(E)
- P(b);OGATEB::QAR(A),XS(b)
- P(b);OGATEB::QAR(A),XR(b)
- Refutation
- B(a);
- Try
- R(E);N_PINP(e)
- Vars
- P(b);CHECK,OGATEB::QAR(A),XQ(b)
- P(b);CHECK,OGATEB::QAR(A),XB(b)
- P(e);OGATEB::R(E)
- P(b);OGATEB::QAR(A),XS(b)
- P(b);OGATEB::QAR(A),XR(b)
- Refutation
- B(a);
- Try
- Q(A);
- Vars
- P(b);CHECK,OGATEB::QAR(A),XQ(b)
- P(b);CHECK,OGATEB::QAR(A),XB(b)
- P(b);OGATEB::QAR(A),XS(b)
- P(b);OGATEB::QAR(A),XR(b)
- Refutation
- B(a);
- Try
- Q(A);
- Vars
- P(b);CHECK,OGATEB::QAR(A),XQ(b)
- P(b);CHECK,OGATEB::QAR(A),XB(b)
- P(b);OGATEB::QAR(A),XS(b)
- P(b);OGATEB::QAR(A),XR(b)
- Refutation
- B(a);
- Try
- Q(A);N_PINP(e),P_PINP(d)
- Vars
- P(b);CHECK,OGATEB::QAR(A),XQ(b)
- P(b);CHECK,OGATEB::QAR(A),XB(b)
- P(b);OGATEB::QAR(A),XS(b)
- P(b);OGATEB::QAR(A),XR(b)
- Refutation
- B(a);
- Try
- Q(A);
- Vars
- P(b);CHECK,OGATEB::QAR(A),XQ(b)
- P(b);CHECK,OGATEB::QAR(A),XB(b)
- P(b);OGATEB::QAR(A),XS(b)
- P(b);OGATEB::QAR(A),XR(b)
- Refutation
- B(a);
- Try
- Actual
- R(E);N_PINP(e)
- Vars
- P(b);CHECK,OGATEB::QAR(A),XQ(b)
- P(b);CHECK,OGATEB::QAR(A),XB(b)
- P(e);OGATEB::R(E)
- P(b);OGATEB::QAR(A),XS(b)
- P(b);OGATEB::QAR(A),XR(b)
- B(a);OGATE::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).