MESON Chess Problem Database
Problem Display
PID: 96280 (8/1b6/3b3B/q1p2Prp/2p4R/p5k1/K1Qn3R/6N1 w - - 0 1)
Betesa Raurell, Salvador
Problemnoter, 1960
#2
7 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rg4
- 2.R4h3#
- 1...Sb1
- 2.R2h3#
- 2.Qf2#
- 1...Sf1
- 2.R2h3#
- 2.Qf2#
- 1...Sb3
- 2.R2h3#
- 2.Qf2#
- 1...Sf3
- 2.Se2#
- 2.R2h3#
- 2.Qf2#
- 2.Qg2#
- 1...Se4
- 2.R2h3#
- 2.Qg2#
- 1...Rg4
- Tries
- 1.Qd3+?
- 1...Bf3
- 2.Se2#
- 2.Qxd6#
- 1...Sf3
- 2.Se2#
- 1...cxd3!
- 1...Bf3
- 1.Qc1?
- threat
- 2.Qe1#
- 1...Sb1
- 2.Qxg5#
- 1...Sf1
- 2.Qxg5#
- 1...Sb3
- 2.Qxg5#
- 1...Sf3
- 2.Se2#
- 1...Se4
- 2.Qe3#
- 1...Rxf5!
- threat
- 1.Qxd2?
- threat
- 2.R2h3#
- 2.Qxg5#
- 2.Qf2#
- 2.Qxd6#
- 1...Rxf5
- 2.R2h3#
- 1...Qc3
- 2.R2h3#
- 2.Qxg5#
- 2.Qf2#
- 1...Qb6
- 2.R2h3#
- 2.Qe1#
- 2.Qxg5#
- 2.Qf2#
- 1...Qc7
- 2.R2h3#
- 2.Qe1#
- 2.Qxg5#
- 2.Qf2#
- 1...Qd8
- 2.R2h3#
- 2.Qe1#
- 2.Qf2#
- 1...Qa6
- 2.R2h3#
- 2.Qe1#
- 2.Qxg5#
- 2.Qf2#
- 1...Rg4
- 2.R2h3#
- 2.R4h3#
- 2.Qf2#
- 1...Rg6
- 2.R2h3#
- 2.Qf2#
- 1...Rg7
- 2.R2h3#
- 2.Qf2#
- 2.Qxd6#
- 1...Rg8
- 2.R2h3#
- 2.Qf2#
- 2.Qxd6#
- 1...Bf4
- 2.R2h3#
- 2.Qxf4#
- 2.Qf2#
- 1...Be5
- 2.R2h3#
- 2.Qxg5#
- 2.Qf2#
- 1...Bc7
- 2.R2h3#
- 2.Qxg5#
- 2.Qf2#
- 1...Be7
- 2.R2h3#
- 2.Qf4#
- 2.Qf2#
- 1...Bb8
- 2.R2h3#
- 2.Qxg5#
- 2.Qf2#
- 1...Bf8
- 2.R2h3#
- 2.Qf4#
- 2.Qxg5#
- 2.Qf2#
- 1...Bg2
- 2.Qxg2#
- 1...Bf3
- 2.R2h3#
- 2.Qf2#
- 2.Qxd6#
- 1...Bd5
- 2.R2h3#
- 2.Qxg5#
- 2.Qf2#
- 1...Qxd2+!
- threat
- 1.Qc3+?
- 1...Bf3
- 2.Se2#
- 1...Sf3
- 2.Se2#
- 1...Qxc3!
- 1...Bf3
- 1.Qd3+?
- Keys
- 1.Qd1!
- threat
- 2.Qe1#
- 1...Rxf5
- 2.R4h3#
- 1...Sb1
- 2.Qxd6#
- 1...Sf1
- 2.Qxd6#
- 1...Sb3
- 2.Qxd6#
- 1...Sf3
- 2.Se2#
- 1...Se4
- 2.Qf3#
- threat
- 1.Qd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 1
- Sets
- R(g);SBLOCK::R1(E)
- Tries
- Try
- Q(C);CHECK
- Vars
- S(a);P_SPINS(a)::S(A)
- Refutation
- P(d);XQ(C)
- Try
- Q(C);
- Threat
- QAB(C)
- Vars
- S(a);OGATE::QAR2(C),XR(g)
- S(a);SBLOCK::S(A)
- S(a);OGATE::QAR2(C)
- Refutation
- R(g);XP(F)
- Try
- Q(C);XS(a)
- Threat
- DUALS(4)
- Vars
- R(g);XP(F)::R1(D)
- B(j);N_GUARD::QAR1(C),XB(j)
- Refutation
- Q(e);CHECK,XQ(C)
- Try
- Q(C);CHECK
- Vars
- B(j);P_SPINB(j)::S(A)
- S(a);P_SPINS(a)::S(A)
- Refutation
- Q(e);XQ(C)
- Try
- Actual
- Q(C);
- Threat
- QAB(C)
- Vars
- R(g);XP(F)::R1(E)
- S(a);OGATE::QAB(C),XB(i)
- S(a);SBLOCK::S(A)
- S(a);N_GUARD,S_CUTB(j)::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).