MESON Chess Problem Database
Problem Display
PID: 157298 (3r2b1/3n1n2/3R1b1N/6r1/3pkBpp/1B6/2NK4/5Q2 w - - 0 1)
Petite, Efren
Arbejder-Skak, 1954
#2
7 + 10
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Rd5
- 2.Bxd5#
- 1...Re5
- 2.Rxd4#
- 1...Rg6
- 2.Bd5#
- 1...Rg7
- 2.Bd5#
- 1...Be5
- 2.Bd5#
- 1...Be7
- 2.Rxd4#
- 1...Sde5
- 2.Bd5#
- 1...Sfe5
- 2.Rxd4#
- 1...Rd5
- Tries
- 1.Bh2?
- threat
- 2.Qe2#
- 2.Qg2#
- 2.Qd3#
- 2.Qh1#
- 2.Qf4#
- 1...Sxh6
- 2.Qd3#
- 2.Qf4#
- 1...Rf5
- 2.Qe2#
- 2.Qd3#
- 2.Qxf5#
- 1...Be5
- 2.Bd5#
- 2.Qe2#
- 2.Qg2#
- 2.Qd3#
- 2.Qh1#
- 1...Sc5
- 2.Qe2#
- 2.Qg2#
- 2.Qh1#
- 2.Qf4#
- 1...Sde5
- 2.Bd5#
- 2.Qe2#
- 2.Qf4#
- 1...Sfe5
- 2.Rxd4#
- 2.Qe2#
- 2.Qf4#
- 1...d3
- 2.Qg2#
- 2.Qxd3#
- 2.Qh1#
- 2.Qf4#
- 1...h3
- 2.Qe2#
- 2.Qd3#
- 2.Qh1#
- 2.Qf4#
- 1...g3!
- threat
- 1.Be3?
- threat
- 2.Qf4#
- 1...Ke5
- 2.Re6#
- 2.Qf4#
- 1...Rf5
- 2.Qxf5#
- 1...Be5
- 2.Bd5#
- 2.Qg2#
- 2.Qh1#
- 1...dxe3+!
- threat
- 1.Bg3?
- threat
- 2.Qe2#
- 2.Qg2#
- 2.Qd3#
- 2.Qh1#
- 2.Qf4#
- 1...Sxh6
- 2.Qd3#
- 2.Qf4#
- 1...Rf5
- 2.Qe2#
- 2.Qd3#
- 2.Qxf5#
- 1...Be5
- 2.Bd5#
- 2.Qe2#
- 2.Qg2#
- 2.Qd3#
- 2.Qh1#
- 1...Sc5
- 2.Qe2#
- 2.Qg2#
- 2.Qh1#
- 2.Qf4#
- 1...Sde5
- 2.Bd5#
- 2.Qe2#
- 2.Qf4#
- 1...Sfe5
- 2.Rxd4#
- 2.Qe2#
- 2.Qf4#
- 1...d3
- 2.Qg2#
- 2.Qxd3#
- 2.Qh1#
- 2.Qf4#
- 1...h3
- 2.Qe2#
- 2.Qd3#
- 2.Qh1#
- 2.Qf4#
- 1...hxg3!
- threat
- 1.Bxg5?
- threat
- 2.Qe2#
- 2.Qf4#
- 2.Qf5#
- 1...Ke5
- 2.Re6#
- 2.Qf4#
- 1...Sxg5
- 2.Qf5#
- 1...Sxd6
- 2.Qe2#
- 2.Qf4#
- 1...Sxh6
- 2.Qf4#
- 1...Be5
- 2.Bd5#
- 2.Qe2#
- 2.Qg2#
- 2.Qd3#
- 2.Qh1#
- 2.Qf5#
- 1...Bh7
- 2.Qe2#
- 2.Qf4#
- 1...d3
- 2.Qf4#
- 2.Qf5#
- 1...Bxg5+!
- threat
- 1.Bh2?
- Keys
- 1.Be5!
- threat
- 2.Qe2#
- 2.Qf4#
- 1...Kxe5
- 2.Re6#
- 1...Rxe5
- 2.Rxd4#
- 1...Bxe5
- 2.Bd5#
- 1...Sdxe5
- 2.Bd5#
- 1...Sfxe5
- 2.Rxd4#
- 1...Sxh6
- 2.Qf4#
- 1...Rf5
- 2.Qe2#
- 2.Qxf5#
- 1...d3
- 2.Qf4#
- threat
- 1.Be5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- R(e);N_GUARD::B(D),XR(e)
- R(e);S_CUTB(f)::R1(F),XP(a)
- R(e);N_GUARD::B(D)
- B(f);S_CUTR(e)::B(D)
- B(f);N_GUARD::R1(F),XP(a)
- S(g);S_CUTR(e)::B(D)
- S(h);S_CUTB(f)::R1(F),XP(a)
- Tries
- Try
- B(E);
- Threat
- DUALS(5)
- Refutation
- P(c);
- Try
- B(E);
- Threat
- QAR1(A)
- Vars
- R(e);N_GUARD::QAB1(A),XR(e)
- Refutation
- P(a);CHECK,XB(E)
- Try
- B(E);
- Threat
- DUALS(5)
- Refutation
- P(d);XB(E)
- Try
- B(E);XR(e)
- Threat
- DUALS(3)
- Vars
- S(h);XB(E)::QAB1(A)
- S(h);XS(G)::QAR1(A)
- Refutation
- B(f);CHECK,XB(E)
- Try
- Actual
- B(E);
- Threat
- DUALS(2)
- Vars
- K(b);OGATEB,P-FLIGHT,XB(E)::R1(F)
- R(e);SBLOCK,XB(E)::R1(F),XP(a)
- B(f);SBLOCK,XB(E)::B(D)
- S(g);SBLOCK,XB(E)::B(D)
- S(h);SBLOCK,XB(E)::R1(F),XP(a)
- S(h);XS(G)::QAR1(A)
- P(a);::QAR1(A)
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).