MESON Chess Problem Database
Problem Display
PID: 210890 (8/8/8/8/8/1p6/1R4pQ/3K1k1b w - - 0 1)
Mariz Garcia, J
Nobre, R
The Problemist, 1985
#2
3 + 4
SOLUTION
- SOUND
- Sets
- 1...g1Q
- 2.Qe2#
- 1...g1S
- 2.Rf2#
- 2.Qf2#
- 1...g1B
- 2.Qe2#
- 1...g1R
- 2.Rf2#
- 2.Qe2#
- 2.Qf2#
- 1...g1Q
- Tries
- 1.Kd2?
- 1...g1Q
- 2.Rb1#
- 2.Qe2#
- 1...g1S
- 2.Rb1#
- 1...g1B
- 2.Rb1#
- 2.Qe2#
- 1...g1R
- 2.Rb1#
- 2.Qe2#
- 1...Kf2!
- 1...g1Q
- 1.Rd2?
- 1...g1Q
- 2.Qe2#
- 1...g1S
- 2.Rf2#
- 2.Qf2#
- 1...g1B
- 2.Qe2#
- 1...g1R
- 2.Rf2#
- 2.Qe2#
- 2.Qf2#
- 1...b2!
- 1...g1Q
- 1.Re2?
- 1...g1Q
- 2.Re1#
- 1...g1S
- 2.Re1#
- 2.Rf2#
- 2.Qf2#
- 1...g1B
- 2.Re1#
- 1...g1R
- 2.Re1#
- 2.Rf2#
- 2.Qf2#
- 1...b2!
- 1...g1Q
- 1.Qg3?
- threat
- 2.Qe1#
- 2.Qf2#
- 1...g1Q
- 2.Qe1#
- 2.Qd3#
- 1...g1B
- 2.Qe1#
- 2.Qd3#
- 1...Kg1!
- threat
- 1.Qh4?
- threat
- 2.Qe1#
- 2.Qf2#
- 1...g1Q
- 2.Qe1#
- 2.Qc4#
- 1...g1B
- 2.Qe1#
- 2.Qc4#
- 1...Kg1!
- threat
- 1.Kd2?
- Keys
- 1.Kc1!
- 1...Ke1
- 2.Qg1#
- 1...g1Q
- 2.Qe2#
- 1...g1S
- 2.Qf2#
- 1...g1B
- 2.Qe2#
- 1...g1R
- 2.Qe2#
- 2.Qf2#
- 1...Ke1
- 1.Kc1!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- P(c);OGATE,SBLOCK::QAB1(C)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- P(c);::R(B)
- Refutation
- K(a);P-FLIGHT,P_SPINP(c)
- Try
- R(B);
- Vars
- P(c);OGATE,SBLOCK::QAB1(C)
- Refutation
- P(d);
- Try
- R(B);
- Vars
- P(c);::R1(B)
- Refutation
- P(d);
- Try
- Q(C);
- Threat
- DUALS(2)
- Refutation
- K(a);P-FLIGHT,P_SPINP(c)
- Try
- Q(C);
- Threat
- DUALS(2)
- Refutation
- K(a);P-FLIGHT
- Try
- Actual
- K(A);P-FLIGHT
- Vars
- K(a);P-FLIGHT::QAR2(C)
- P(c);OGATE,SBLOCK::QAB1(C)
- P(c);OGATE::QAR1(C)
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).