MESON Chess Problem Database
Problem Display
PID: 109919 (8/5Rpb/P5n1/RK1kP2r/PP6/1p2Q1br/1q1N2N1/BB6 w - - 0 1)
Gaspar, Byron
Agarez MT, 1960
#2
12 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxd2
- 2.Qxb3#
- 1...Qxd2
- Tries
- 1.Bf5?
- threat
- 2.Kb6#
- 2.Rd7#
- 2.Qc5#
- 2.Qe4#
- 1...Qxe5
- 2.Qc5#
- 1...Qxd2
- 2.Rd7#
- 2.Qxd2#
- 2.Qc5#
- 2.Qxb3#
- 2.Qf3#
- 2.Qe4#
- 1...Bxe5
- 2.Qc5#
- 1...Sxe5
- 2.Qc5#
- 1...Qc1
- 2.Rd7#
- 2.Qd4#
- 2.Qd3#
- 2.Qf3#
- 2.Qe4#
- 1...Qc3
- 2.Rd7#
- 2.Qe4#
- 1...Qd4
- 2.Rd7#
- 2.Qxd4#
- 1...Qb1
- 2.Kb6#
- 2.Rd7#
- 2.Qd4#
- 2.Qc5#
- 1...Qc2
- 2.Rd7#
- 2.Qd4#
- 1...R3h4
- 2.Kb6#
- 2.Rd7#
- 2.Qc5#
- 1...R5h4
- 2.Kb6#
- 2.Rd7#
- 2.Qc5#
- 1...Bf2
- 2.Kb6#
- 2.Rd7#
- 2.Qe4#
- 1...Se7
- 2.Kb6#
- 2.Qc5#
- 2.Qe4#
- 1...Sf8
- 2.Kb6#
- 2.Qc5#
- 2.Qe4#
- 1...Rxf5!
- threat
- 1.Rf6?
- threat
- 2.Kb6#
- 2.Rd6#
- 2.Qc5#
- 2.Qe4#
- 1...Qxe5
- 2.Kb6#
- 2.Qc5#
- 2.Qxb3#
- 1...Qxb1
- 2.Kb6#
- 2.Rd6#
- 2.Qd4#
- 2.Qc5#
- 1...Qxd2
- 2.Be4#
- 2.Rd6#
- 2.Qxd2#
- 2.Qc5#
- 2.Qxb3#
- 2.Qf3#
- 2.Qe4#
- 1...Rxe5
- 2.Kb6#
- 2.Qc5#
- 1...Bxe5
- 2.Kb6#
- 2.Be4#
- 2.Qc5#
- 2.Qe4#
- 1...Sxe5
- 2.Kb6#
- 2.Qc5#
- 1...Qc1
- 2.Be4#
- 2.Rd6#
- 2.Qd4#
- 2.Qd3#
- 2.Qf3#
- 2.Qe4#
- 1...Qc3
- 2.Rd6#
- 2.Qe4#
- 1...Qd4
- 2.Rd6#
- 2.Qxd4#
- 1...Qc2
- 2.Rd6#
- 2.Qd4#
- 1...R3h4
- 2.Kb6#
- 2.Rd6#
- 2.Qc5#
- 1...R5h4
- 2.Kb6#
- 2.Rd6#
- 2.Qc5#
- 1...Bf2
- 2.Kb6#
- 2.Rd6#
- 2.Qe4#
- 1...Sf4
- 2.Kb6#
- 2.Rd6#
- 2.Qc5#
- 1...Sh4
- 2.Kb6#
- 2.Rd6#
- 2.Qc5#
- 1...Se7
- 2.Kb6#
- 2.Rd6#
- 2.Qc5#
- 1...Sf8
- 2.Kb6#
- 2.Rd6#
- 2.Qc5#
- 1...Sh8
- 2.Kb6#
- 2.Rd6#
- 2.Qc5#
- 1...gxf6!
- threat
- 1.Re7?
- threat
- 2.Kb6#
- 2.Be4#
- 2.Qc5#
- 2.Qe4#
- 1...Qxe5
- 2.Qc5#
- 1...Qxb1
- 2.Kb6#
- 2.Qd4#
- 2.Qc5#
- 1...Qxd2
- 2.Be4#
- 2.Qxd2#
- 2.Qc5#
- 2.Qxb3#
- 2.Qf3#
- 2.Qe4#
- 1...Rxe5
- 2.Qc5#
- 1...Bxe5
- 2.Qc5#
- 1...Sxe5
- 2.Qc5#
- 1...Qc1
- 2.Be4#
- 2.Qd4#
- 2.Qd3#
- 2.Qf3#
- 2.Qe4#
- 1...Qc3
- 2.Be4#
- 2.Qe4#
- 1...Qd4
- 2.Qxd4#
- 1...Qc2
- 2.Qd4#
- 1...R3h4
- 2.Kb6#
- 2.Qc5#
- 1...R5h4
- 2.Kb6#
- 2.Qc5#
- 1...Bf2
- 2.Kb6#
- 2.Be4#
- 2.Qe4#
- 1...Sf4
- 2.Kb6#
- 2.Qc5#
- 1...Sh4
- 2.Kb6#
- 2.Qc5#
- 1...Sf8
- 2.Kb6#
- 2.Qc5#
- 1...Sh8
- 2.Kb6#
- 2.Qc5#
- 1...Sxe7!
- threat
- 1.Bf5?
- Keys
- 1.Qb6!
- threat
- 2.Qd6#
- 1...Kxe5
- 2.Kc4#
- 1...Qxe5
- 2.Qc6#
- 1...Rxe5
- 2.Rd7#
- 1...Bxe5
- 2.Be4#
- 1...Sxe5
- 2.Se3#
- threat
- 1.Qb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- Q(a);N_GUARD,XS(C)::QAB(E),XP(b)
- Tries
- Try
- B(B);
- Threat
- DUALS(4)
- Vars
- Q(a);XP(J)::QAR1(E)
- B(c);SBLOCK,XP(J)::QAR1(E)
- S(g);SBLOCK,XP(J)::QAR1(E)
- Refutation
- R(f);XB(B)
- Try
- R(L);
- Threat
- DUALS(4)
- Refutation
- P(h);XR(L)
- Try
- R(L);
- Threat
- DUALS(4)
- Vars
- Q(a);XP(J)::QAR1(E)
- R(f);XP(J)::QAR1(E)
- B(c);XP(J)::QAR1(E)
- S(g);XP(J)::QAR1(E)
- Q(a);N_GUARD::QAR1(E),XQ(a)
- Q(a);N_GUARD::QAR1(E)
- Refutation
- S(g);XR(L)
- Try
- Actual
- Q(E);
- Threat
- QAR1(E)
- Vars
- K(e);P-FLIGHT,P_SPINQ(a),XP(J)::R(H)+K(I)
- Q(a);XP(J)::QAB1(E)
- R(f);SBLOCK,XP(J)::R(L)
- B(c);SBLOCK,XP(J)::B(B)
- S(g);SBLOCK,XP(J)::S(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).