MESON Chess Problem Database
Problem Display
PID: 107750 (3brN2/2pP1kpP/6NR/1p2P3/pp6/2Q5/8/1B3KR1 w - - 0 1)
Blistin, T
To Mat, 1963
#2
10 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Re7
- 2.Qf3#
- 1...Be7
- 2.e6#
- 1...Re7
- Tries
- 1.Sh8+?
- 1...Ke7
- 2.Qc5#
- 1...Kxf8!
- 1...Ke7
- 1.Ba2+?
- 1...Re6
- 2.Bxe6#
- 1...b3!
- 1...Re6
- 1.Qxb4?
- threat
- 2.Sh8#
- 1...Rxf8
- 2.Ba2#
- 1...Re7
- 2.Qf4#
- 1...Be7
- 2.Ba2#
- 1...c5!
- threat
- 1.Qb3+?
- 1...Re6
- 2.Qxe6#
- 1...axb3!
- 1...Re6
- 1.Qc4+?
- 1...Re6
- 2.Qxe6#
- 1...bxc4!
- 1...Re6
- 1.Sh8+?
- Keys
- 1.Qc5!
- threat
- 2.Sh8#
- 1...Rxf8
- 2.Qd5#
- 1...Re7
- 2.Qf2#
- 1...Be7
- 2.Qd5#
- threat
- 1.Qc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(h);S_CUTB(g)::QAR(D)
- B(g);S_CUTR(h)::P(E)
- Tries
- Try
- S(F);CHECK
- Vars
- K(e);P-FLIGHT::QAB(D)
- Refutation
- K(e);P-FLIGHT,XS(J)
- Try
- B(A);CHECK
- Vars
- R(h);N_GUARD,P_SPINR(h)::B(A),XR(h)
- Refutation
- P(b);P_SPINP(b)
- Try
- Q(D);XP(b)
- Threat
- S(F)
- Vars
- R(h);N_GUARD,XS(J)::B(A)
- R(h);S_CUTB(g)::QAR(D)
- B(g);S_CUTR(h)::B(A)
- Refutation
- P(d);
- Try
- Q(D);CHECK
- Vars
- R(h);N_GUARD,P_SPINR(h)::QAB1(D),XR(h)
- Refutation
- P(a);XQ(D)
- Try
- Q(D);CHECK
- Vars
- R(h);N_GUARD,P_SPINR(h)::QAB1(D),XR(h)
- Refutation
- P(c);XQ(D)
- Try
- Actual
- Q(D);
- Threat
- S(F)
- Vars
- R(h);N_GUARD,XS(J)::QAB(D)
- R(h);S_CUTB(g)::QAR(D)
- B(g);S_CUTR(h)::QAB(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).