MESON Chess Problem Database
Problem Display
PID: 87856 (Q7/2B5/b2R1p2/2k2p2/1nn2P2/1K6/8/2R5 w - - 0 1)
Trzesowski, Andrzej
The Problemist, 1963
#2
6 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bb5
- 2.Qa7#
- 1...Bb7
- 2.Qa5#
- 1...Bc8
- 2.Qa5#
- 1...Sa2
- 2.Rd5#
- 2.Qd5#
- 2.Qc6#
- 1...Sc2
- 2.Rd5#
- 2.Qd5#
- 2.Qc6#
- 1...Sd3
- 2.Rd5#
- 2.Qd5#
- 2.Qc6#
- 1...Sd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Sc6
- 2.Qxc6#
- 1...Bb5
- Tries
- 1.Ka4?
- threat
- 2.Qa7#
- 1...Sd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Sc2
- 2.Rd5#
- 2.Qd5#
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Bb5+!
- threat
- 1.Bb8?
- 1...Sd5
- 2.Qxd5#
- 1...Sc6
- 2.Qxc6#
- 1...Bb5
- 2.Qa7#
- 1...Bb7
- 2.Qa5#
- 1...Bc8
- 2.Qa5#
- 1...Sa2
- 2.Qd5#
- 2.Qc6#
- 1...Sc2
- 2.Qd5#
- 2.Qc6#
- 1...Sd3
- 2.Qd5#
- 2.Qc6#
- 1...Kb5!
- 1...Sd5
- 1.Rc2?
- 1...Sxc2
- 2.Rd5#
- 2.Qd5#
- 2.Qc6#
- 1...Sd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Bb5
- 2.Qa7#
- 1...Bb7
- 2.Qa5#
- 1...Bc8
- 2.Qa5#
- 1...Sa2
- 2.Rd5#
- 2.Qd5#
- 2.Qc6#
- 1...Sd3
- 2.Rd5#
- 2.Qd5#
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Kb5!
- 1...Sxc2
- 1.Rc3?
- 1...Sd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Bb5
- 2.Qa7#
- 1...Bb7
- 2.Qa5#
- 1...Bc8
- 2.Qa5#
- 1...Sa2
- 2.Rd5#
- 2.Qd5#
- 2.Qc6#
- 1...Sc2
- 2.Rd5#
- 2.Qd5#
- 2.Qc6#
- 1...Sd3
- 2.Rd5#
- 2.Qd5#
- 2.Qc6#
- 1...Sc6
- 2.Qxc6#
- 1...Kb5!
- 1...Sd5
- 1.Qe4?
- 1...Kb5
- 2.Qxc4#
- 1...Bb7
- 2.Qxc4#
- 1...Bb5
- 2.Qe3#
- 2.Qd4#
- 1...Bc8
- 2.Qxc4#
- 1...Sa2
- 2.Qd5#
- 2.Qxf5#
- 2.Qc6#
- 1...Sc2
- 2.Qd5#
- 2.Qc6#
- 1...Sd3
- 2.Qd5#
- 2.Qc6#
- 1...Sd5
- 2.Qxd5#
- 1...Sc6
- 2.Rd5#
- 2.Qd5#
- 2.Qxc6#
- 1...fxe4!
- 1...Kb5
- 1.Qb7?
- threat
- 2.Qxb4#
- 2.Qb6#
- 1...Sd5
- 2.Rxd5#
- 2.Qxd5#
- 1...Bb5
- 2.Qb6#
- 2.Qa7#
- 1...Sa2
- 2.Rd5#
- 2.Qd5#
- 2.Qc6#
- 2.Qb6#
- 1...Sc2
- 2.Rd5#
- 2.Qd5#
- 2.Qc6#
- 1...Sd3
- 2.Rd5#
- 2.Qd5#
- 2.Qc6#
- 2.Qb6#
- 1...Sc6
- 2.Qxc6#
- 2.Qb6#
- 1...Bxb7!
- threat
- 1.Qxa6?
- threat
- 2.Rxc4#
- 2.Qxc4#
- 2.Qa5#
- 2.Qb6#
- 1...Sd5
- 2.Rxc4#
- 2.Qxc4#
- 1...Sc2
- 2.Qxc4#
- 2.Qc6#
- 1...Sc6
- 2.Rxc4#
- 2.Qxc4#
- 2.Qb6#
- 2.Qxc6#
- 1...Sxa6!
- threat
- 1.Qe8?
- 1...Sc6
- 2.Qxc6#
- 1...Bb7
- 2.Rxc4#
- 1...Bb5
- 2.Qe3#
- 1...Bc8
- 2.Rxc4#
- 1...Sa2
- 2.Qc6#
- 1...Sc2
- 2.Qc6#
- 1...Sd3
- 2.Qc6#
- 1...Sd5!
- 1...Sc6
- 1.Ka4?
- Keys
- 1.Qg8!
- 1...Kb5
- 2.Qxc4#
- 1...Sd5
- 2.Qxd5#
- 1...Bb7
- 2.Qxc4#
- 1...Bb5
- 2.Qg1#
- 1...Bc8
- 2.Qxc4#
- 1...Sa2
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd3
- 2.Qd5#
- 1...Sc6
- 2.Rd5#
- 2.Qd5#
- 1...Kb5
- 1.Qg8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 3
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- B(e);SBLOCK::QAB(F)
- B(e);OGATE::QAR2(F)
- S(a);N_GUARD::QAR1(F),XS(a)
- Tries
- Try
- K(B);S_FLIGHT
- Threat
- QAB(F)
- Vars
- S(a);N_GUARD::QAR1(F),XS(a)
- Refutation
- B(e);CHECK
- Try
- B(E);
- Vars
- S(a);N_GUARD::QAR1(F),XS(a)
- B(e);SBLOCK::QAB(F)
- B(e);OGATE::QAR2(F)
- Refutation
- K(c);N_SPINS(b),P-FLIGHT
- Try
- R(A);
- Vars
- B(e);SBLOCK::QAB(F)
- B(e);OGATE::QAR2(F)
- S(a);N_GUARD::QAR1(F),XS(a)
- Refutation
- K(c);N_SPINS(b),P-FLIGHT
- Try
- R(A);
- Vars
- B(e);SBLOCK::QAB(F)
- B(e);OGATE::QAR2(F)
- S(a);N_GUARD::QAR1(F),XS(a)
- Refutation
- K(c);N_SPINS(b),P-FLIGHT
- Try
- Q(F);
- Vars
- K(c);N_SPINS(b),P-FLIGHT::QAB1(F),XS(b)
- B(e);N_GUARD::QAR1(F),XS(b)
- S(a);N_GUARD::QAR1(F),XS(a)
- Refutation
- P(d);XQ(F)
- Try
- Q(F);
- Threat
- DUALS(2)
- Refutation
- B(e);XQ(F)
- Try
- Q(F);XB(e)
- Threat
- DUALS(4)
- Refutation
- S(a);XQ(F)
- Try
- Q(F);
- Vars
- S(a);N_GUARD::QAR1(F),XS(a)
- B(e);N_GUARD::R1(A),XS(b)
- B(e);SBLOCK::QAB(F)
- S(a);N_GUARD::QAR1(F)
- S(a);N_GUARD,N_SPINS(b)::QAR1(F)
- Refutation
- S(a);
- Try
- Actual
- Q(F);
- Vars
- K(c);N_SPINS(b),P-FLIGHT::QAB1(F),XS(b)
- S(a);N_GUARD::QAR1(F),XS(a)
- B(e);N_GUARD::QAR1(F),XS(b)
- B(e);SBLOCK::QAB(F)
- S(a);N_GUARD::QAR1(F)
- S(a);N_GUARD,N_SPINS(b)::QAR1(F)
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).