MESON Chess Problem Database
Problem Display
PID: 101662 (8/1Q6/p1Rp4/K2n4/3P4/2nkP3/2N1p1P1/1B2B3 w - - 0 1)
Rivas, Jose Santiago
La Strategie, 1991
#2
9 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ke4
- 2.Qh7#
- 1...Sxb1
- 2.Qh7#
- 1...Sd1
- 2.Qh7#
- 1...Sa2
- 2.Qh7#
- 1...Sa4
- 2.Qh7#
- 1...Se4
- 2.Qxa6#
- 1...Sb5
- 2.Qh7#
- 1...Sxe3
- 2.Rxc3#
- 1...Sb4
- 2.Rxc3#
- 1...Sf4
- 2.Rxc3#
- 1...Sb6
- 2.Rxc3#
- 1...Sf6
- 2.Rxc3#
- 1...Sc7
- 2.Rxc3#
- 1...Se7
- 2.Rxc3#
- 1...Ke4
- Tries
- 1.Rxc3+?
- 1...Ke4
- 2.Sa1#
- 2.Sa3#
- 2.Sb4#
- 2.Qh7#
- 1...Sxc3!
- 1...Ke4
- 1.Rc5?
- 1...Ke4
- 2.Qh7#
- 1...Sxb1
- 2.Qh7#
- 1...Sxe3
- 2.Rxc3#
- 1...Sd1
- 2.Qh7#
- 1...Sa2
- 2.Qh7#
- 1...Sa4
- 2.Qh7#
- 1...Se4
- 2.Qxa6#
- 1...Sb5
- 2.Qh7#
- 1...Sb4
- 2.Rxc3#
- 1...Sf4
- 2.Rxc3#
- 1...Sb6
- 2.Rxc3#
- 1...Sf6
- 2.Rxc3#
- 1...Sc7
- 2.Rxc3#
- 1...Se7
- 2.Rxc3#
- 1...dxc5!
- 1...Ke4
- 1.Rc8?
- 1...Ke4
- 2.Qh7#
- 1...Sxb1
- 2.Qh7#
- 1...Sxe3
- 2.Rxc3#
- 1...Sd1
- 2.Qh7#
- 1...Sa2
- 2.Qh7#
- 1...Sa4
- 2.Qh7#
- 1...Se4
- 2.Qxa6#
- 1...Sb5
- 2.Qh7#
- 1...Sb4
- 2.Rxc3#
- 1...Sf4
- 2.Rxc3#
- 1...Sb6
- 2.Rxc3#
- 1...Sf6
- 2.Rxc3#
- 1...Se7
- 2.Rxc3#
- 1...Sc7!
- 1...Ke4
- 1.g3?
- 1...Sxb1
- 2.Qh7#
- 1...Sxe3
- 2.Rxc3#
- 1...Se4
- 2.Qxa6#
- 1...Sd1
- 2.Qh7#
- 1...Sa2
- 2.Qh7#
- 1...Sa4
- 2.Qh7#
- 1...Sb5
- 2.Qh7#
- 1...Sb4
- 2.Rxc3#
- 1...Sf4
- 2.Rxc3#
- 1...Sb6
- 2.Rxc3#
- 1...Sf6
- 2.Rxc3#
- 1...Sc7
- 2.Rxc3#
- 1...Se7
- 2.Rxc3#
- 1...Ke4!
- 1...Sxb1
- 1.g4?
- 1...Sxb1
- 2.Qh7#
- 1...Sxe3
- 2.Rxc3#
- 1...Se4
- 2.Qxa6#
- 1...Sd1
- 2.Qh7#
- 1...Sa2
- 2.Qh7#
- 1...Sa4
- 2.Qh7#
- 1...Sb5
- 2.Qh7#
- 1...Sb4
- 2.Rxc3#
- 1...Sf4
- 2.Rxc3#
- 1...Sb6
- 2.Rxc3#
- 1...Sf6
- 2.Rxc3#
- 1...Sc7
- 2.Rxc3#
- 1...Se7
- 2.Rxc3#
- 1...Ke4!
- 1...Sxb1
- 1.Rxc3+?
- Keys
- 1.Ba2!
- 1...Kxc2
- 2.Qb1#
- 1...Ke4
- 2.Qh7#
- 1...Sxa2
- 2.Qh7#
- 1...Sxe3
- 2.Rxc3#
- 1...Sb1
- 2.Qh7#
- 1...Sd1
- 2.Qh7#
- 1...Sa4
- 2.Qh7#
- 1...Se4
- 2.Qxa6#
- 1...Sb5
- 2.Qh7#
- 1...Sb4
- 2.Rxc3#
- 1...Sf4
- 2.Rxc3#
- 1...Sb6
- 2.Rxc3#
- 1...Sf6
- 2.Rxc3#
- 1...Sc7
- 2.Rxc3#
- 1...Se7
- 2.Rxc3#
- 1...Kxc2
- 1.Ba2!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(c);S_FLIGHT::QAB(I)
- S(b);N_GUARD,XB(A)::QAB(I)
- S(b);N_GUARD::QAB(I)
- S(b);N_GUARD,SBLOCK::QAB(I),XP(e)
- S(d);N_GUARD,XP(E)::R1(H),XS(b)
- S(d);N_GUARD::R1(H),XS(b)
- Tries
- Try
- R(H);CHECK,XS(b)
- Refutation
- S(d);XR(H)
- Try
- R(H);
- Vars
- K(c);P_SPINS(d),S_FLIGHT::QAB(I)
- S(b);N_GUARD,XB(A)::QAB(I)
- S(d);N_GUARD,XP(E)::R1(H),XS(b)
- S(b);N_GUARD::QAB(I)
- S(b);N_GUARD,SBLOCK::QAB(I),XP(e)
- S(d);N_GUARD::R1(H),XS(b)
- Refutation
- P(f);XR(H)
- Try
- R(H);
- Vars
- K(c);P_SPINS(d),S_FLIGHT::QAB(I)
- S(b);N_GUARD,XB(A)::QAB(I)
- S(d);N_GUARD,XP(E)::R1(H),XS(b)
- S(b);N_GUARD::QAB(I)
- S(b);N_GUARD,SBLOCK::QAB(I),XP(e)
- S(d);N_GUARD::R1(H),XS(b)
- Refutation
- S(d);
- Try
- P(D);
- Vars
- S(b);N_GUARD,XB(A)::QAB(I)
- S(d);N_GUARD,XP(E)::R1(H),XS(b)
- S(b);N_GUARD,SBLOCK::QAB(I),XP(e)
- S(b);N_GUARD::QAB(I)
- S(d);N_GUARD::R1(H),XS(b)
- Refutation
- K(c);S_FLIGHT
- Try
- P(D);
- Vars
- S(b);N_GUARD,XB(A)::QAB(I)
- S(d);N_GUARD,XP(E)::R1(H),XS(b)
- S(b);N_GUARD,SBLOCK::QAB(I),XP(e)
- S(b);N_GUARD::QAB(I)
- S(d);N_GUARD::R1(H),XS(b)
- Refutation
- K(c);S_FLIGHT
- Try
- Actual
- B(A);
- Vars
- K(c);OGATEB,P_SPINS(b),S_FLIGHT,XS(C)::QAB1(I)
- K(c);S_FLIGHT::QAB(I)
- S(b);N_GUARD,XB(A)::QAB(I)
- S(d);N_GUARD,XP(E)::R1(H),XS(b)
- S(b);N_GUARD::QAB(I)
- S(b);N_GUARD,SBLOCK::QAB(I),XP(e)
- S(d);N_GUARD::R1(H),XS(b)
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).