MESON Chess Problem Database
Problem Display
PID: 90209 (1B6/p4p2/1P6/3p2pq/2K1P3/6P1/pP1QNkBR/4N2R w - - 0 1)
Zarur, Almiro Elias
Die Schwalbe, 1997
#2
12 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Tries
- 1.Kb3?
- threat
- 2.Sd3#
- 2.Bh3#
- 2.Rf1#
- 1...Qf3+
- 2.Bxf3#
- 1...Qxh2
- 2.Sc1#
- 2.Sg1#
- 2.Sc3#
- 2.Sd4#
- 2.Rf1#
- 1...dxe4
- 2.Bh3#
- 2.Rf1#
- 1...Qh3
- 2.Sd3#
- 2.Sc1#
- 2.Sg1#
- 2.Sc3#
- 2.Sd4#
- 2.Bxh3#
- 2.Rf1#
- 1...a1S+!
- threat
- 1.Kc3?
- threat
- 2.Sd3#
- 2.Bh3#
- 2.Rf1#
- 1...Qf3+
- 2.Bxf3#
- 1...Qh8+
- 2.Sd4#
- 1...Qxh2
- 2.Sc1#
- 2.Sg1#
- 2.Sd4#
- 2.Rf1#
- 1...dxe4
- 2.Bh3#
- 2.Rf1#
- 1...Qh3
- 2.Sd3#
- 2.Sc1#
- 2.Sg1#
- 2.Sd4#
- 2.Bxh3#
- 2.Rf1#
- 1...d4+!
- threat
- 1.Kd3?
- threat
- 2.Bh3#
- 2.Rf1#
- 2.Qe3#
- 1...Qxe2+
- 2.Qxe2#
- 1...Qf3+
- 2.Bxf3#
- 1...Qxh2
- 2.Sc1#
- 2.Sg1#
- 2.Sc3#
- 2.Sd4#
- 2.Rf1#
- 2.Qe3#
- 1...Qh3
- 2.Sc1#
- 2.Sg1#
- 2.Sc3#
- 2.Sd4#
- 2.Bxh3#
- 2.Rf1#
- 2.Qe3#
- 1...d4
- 2.Bh3#
- 2.Rf1#
- 1...dxe4+!
- threat
- 1.Kb4?
- threat
- 2.Sd3#
- 2.Bh3#
- 2.Rf1#
- 1...Qxh2
- 2.Sc1#
- 2.Sg1#
- 2.Sc3#
- 2.Sd4#
- 2.Rf1#
- 1...dxe4
- 2.Bh3#
- 2.Rf1#
- 1...Qf3
- 2.Bxf3#
- 2.Rf1#
- 1...Qh3
- 2.Sd3#
- 2.Sc1#
- 2.Sg1#
- 2.Sc3#
- 2.Sd4#
- 2.Bxh3#
- 2.Rf1#
- 1...a5+!
- threat
- 1.Kd4?
- threat
- 2.Sd3#
- 2.Bh3#
- 2.Rf1#
- 2.Qe3#
- 1...Qxe2
- 2.Sd3#
- 2.Bf1#
- 2.Bf3#
- 2.Bh3#
- 2.Rf1#
- 1...Qxh2
- 2.Sc1#
- 2.Sg1#
- 2.Sc3#
- 2.Rf1#
- 2.Qe3#
- 1...dxe4
- 2.Bh3#
- 2.Rf1#
- 2.Qe3#
- 1...Qf3
- 2.Bxf3#
- 2.Rf1#
- 1...Qh3
- 2.Sd3#
- 2.Sc1#
- 2.Sg1#
- 2.Sc3#
- 2.Bxh3#
- 2.Rf1#
- 2.Qe3#
- 1...Qh8+!
- threat
- 1.Kb5?
- threat
- 2.Sd3#
- 2.Bh3#
- 2.Rf1#
- 1...Qxe2+
- 2.Sd3#
- 1...Qxh2
- 2.Sc1#
- 2.Sg1#
- 2.Sc3#
- 2.Sd4#
- 2.Rf1#
- 1...dxe4
- 2.Bh3#
- 2.Rf1#
- 1...Qf3
- 2.Bxf3#
- 2.Rf1#
- 1...Qh3
- 2.Sd3#
- 2.Sc1#
- 2.Sg1#
- 2.Sc3#
- 2.Sd4#
- 2.Bxh3#
- 2.Rf1#
- 1...a6+!
- threat
- 1.Kc5?
- threat
- 2.Sd3#
- 2.Bh3#
- 2.Rf1#
- 1...Qxh2
- 2.Sc1#
- 2.Sg1#
- 2.Sc3#
- 2.Sd4#
- 2.Rf1#
- 1...dxe4
- 2.Bh3#
- 2.Rf1#
- 1...Qf3
- 2.Bxf3#
- 2.Rf1#
- 1...Qh3
- 2.Sd3#
- 2.Sc1#
- 2.Sg1#
- 2.Sc3#
- 2.Sd4#
- 2.Bxh3#
- 2.Rf1#
- 1...axb6+!
- threat
- 1.Kxd5?
- threat
- 2.Sd3#
- 2.Bh3#
- 2.Rf1#
- 1...Qxh2
- 2.Sc1#
- 2.Sg1#
- 2.Sc3#
- 2.Sd4#
- 2.Rf1#
- 1...Qf3
- 2.Bxf3#
- 2.Rf1#
- 1...Qh3
- 2.Sd3#
- 2.Sc1#
- 2.Sg1#
- 2.Sc3#
- 2.Sd4#
- 2.Bxh3#
- 2.Rf1#
- 1...g4+!
- threat
- 1.Kb3?
- Keys
- 1.exd5!
- threat
- 2.Sd3#
- 2.Bh3#
- 2.Rf1#
- 1...Qxe2+
- 2.Sd3#
- 1...Qg4+
- 2.Be4#
- 1...Qh4+
- 2.Sd4#
- 1...Qxh2
- 2.Sc1#
- 2.Sg1#
- 2.Sc3#
- 2.Sd4#
- 2.Rf1#
- 1...Qf3
- 2.Bxf3#
- 2.Rf1#
- 1...Qg6
- 2.Sc1#
- 2.Sg1#
- 2.Sc3#
- 2.Sd4#
- 2.Bf1#
- 2.Bf3#
- 2.Bh3#
- 2.Be4#
- 2.Rf1#
- 1...Qh3
- 2.Sd3#
- 2.Sc1#
- 2.Sg1#
- 2.Sc3#
- 2.Sd4#
- 2.Bxh3#
- 2.Rf1#
- 1...Qh7
- 2.Sc1#
- 2.Sg1#
- 2.Sc3#
- 2.Sd4#
- 2.Bh3#
- 2.Rf1#
- threat
- 1.exd5!
FEATURES
- Static
- TYPE = WHITE_IN_CHECK
- Tries
- Try
- K(I);S_FLIGHT
- Threat
- DUALS(3)
- Vars
- Q(e);CHECK,N_GUARD::R(G)+B(F),XQ(e)
- Refutation
- P(a);CHECK
- Try
- K(I);P-FLIGHT
- Threat
- DUALS(3)
- Vars
- Q(e);CHECK,N_GUARD::R(G)+B(F),XQ(e)
- Q(e);CHECK,N_GUARD::QAR(D)+S(E)
- Refutation
- P(c);CHECK
- Try
- K(I);S_FLIGHT
- Threat
- DUALS(3)
- Vars
- Q(e);CHECK,OGATE,P_SPINQ(e),XS(E)::QAR1(D),XQ(e)
- Q(e);CHECK,N_GUARD::R(G)+B(F),XQ(e)
- Refutation
- P(c);CHECK,XP(J)
- Try
- K(I);P-FLIGHT
- Threat
- DUALS(3)
- Refutation
- P(f);CHECK
- Try
- K(I);P-FLIGHT
- Threat
- DUALS(4)
- Refutation
- Q(e);CHECK
- Try
- K(I);S_FLIGHT
- Threat
- DUALS(3)
- Vars
- Q(e);CHECK,P_SPINQ(e),XS(E)::S(A)
- Refutation
- P(f);CHECK
- Try
- K(I);P-FLIGHT
- Threat
- DUALS(3)
- Refutation
- P(f);CHECK,XP(K)
- Try
- K(I);S_FLIGHT,XP(c)
- Threat
- DUALS(3)
- Refutation
- P(d);CHECK
- Try
- Actual
- P(J);XP(c)
- Threat
- DUALS(3)
- Vars
- Q(e);CHECK,P_SPINQ(e),XS(E)::S(A)
- Q(e);CHECK,N_GUARD::R(G)+B(F)
- Q(e);CHECK,N_GUARD::QAR(D)+S(E)
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).