MESON Chess Problem Database
Problem Display
PID: 153197 (1bB5/4P3/r1P4R/rp1kp1Rn/1P1N2p1/p2P4/5Q2/1n4K1 w - - 0 1)
Retter, Yosef
1st Prize, Scacchi e Scienze Applicate, 2004
#2
10 + 10
| 15323 | FIDE Album (2004-2006) | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Bd6
- 2.Be6#
- 1...Bd6
- Tries
- 1.Sc2?
- threat
- 2.Qd4#
- 2.Qc5#
- 2.Qg2#
- 2.Qf7#
- 1...Rxc6
- 2.Qd4#
- 2.Qg2#
- 1...Bd6
- 2.Qg2#
- 1...Sf6
- 2.Qc5#
- 1...Sd2
- 2.Qd4#
- 2.Qc5#
- 2.Qf7#
- 1...Sc3
- 2.Qd4#
- 2.Qc5#
- 2.Qf7#
- 1...Sg3
- 2.Qd4#
- 2.Qc5#
- 2.Qf7#
- 1...Sf4
- 2.Qd4#
- 2.Qc5#
- 1...Sg7
- 2.Qd4#
- 2.Qc5#
- 2.Qg2#
- 1...Ba7!
- threat
- 1.Se2?
- threat
- 2.Qd4#
- 2.Qc5#
- 2.Qg2#
- 2.Qf7#
- 1...Rxc6
- 2.Qd4#
- 2.Qg2#
- 1...Bd6
- 2.Qg2#
- 1...Sf6
- 2.Qc5#
- 1...Sd2
- 2.Sc3#
- 2.Qd4#
- 2.Qc5#
- 2.Qf7#
- 1...Sc3
- 2.Sxc3#
- 2.Qd4#
- 2.Qc5#
- 2.Qf7#
- 1...Sg3
- 2.Sf4#
- 2.Qd4#
- 2.Qc5#
- 2.Qf7#
- 1...Sf4
- 2.Sxf4#
- 2.Qd4#
- 2.Qc5#
- 1...Sg7
- 2.Sf4#
- 2.Qd4#
- 2.Qc5#
- 2.Qg2#
- 1...Ba7!
- threat
- 1.Sb3?
- threat
- 2.Qd4#
- 2.Qc5#
- 2.Qg2#
- 2.Qf7#
- 1...Rxc6
- 2.Qd4#
- 2.Qg2#
- 1...Bd6
- 2.Qg2#
- 1...Sf6
- 2.Qc5#
- 1...Sd2
- 2.Qd4#
- 2.Qc5#
- 2.Qf7#
- 1...Sc3
- 2.Qd4#
- 2.Qc5#
- 2.Qf7#
- 1...Sg3
- 2.Qd4#
- 2.Qc5#
- 2.Qf7#
- 1...Sf4
- 2.Qd4#
- 2.Qc5#
- 1...Sg7
- 2.Qd4#
- 2.Qc5#
- 2.Qg2#
- 1...Ba7!
- threat
- 1.Sf3?
- threat
- 2.Qd4#
- 2.Qc5#
- 2.Qa2#
- 1...Rxc6
- 2.Qd4#
- 1...gxf3
- 2.Qc5#
- 1...Sf6
- 2.Qc5#
- 1...Ba7
- 2.Rxe5#
- 1...Sd2
- 2.Qd4#
- 2.Qc5#
- 1...Sc3
- 2.Qd4#
- 2.Qc5#
- 1...a2
- 2.Qd4#
- 2.Qc5#
- 1...Bd6!
- threat
- 1.Sxb5?
- threat
- 2.Qd4#
- 2.Qc5#
- 2.Qa2#
- 2.Qg2#
- 2.Qf7#
- 1...Rxc6
- 2.Qd4#
- 2.Qg2#
- 1...Bd6
- 2.Rxd6#
- 2.Qg2#
- 1...Sf6
- 2.Qc5#
- 1...Ba7
- 2.Sc7#
- 2.Rd6#
- 1...Sd2
- 2.Sc3#
- 2.Qd4#
- 2.Qc5#
- 2.Qf7#
- 1...Sc3
- 2.Sxc3#
- 2.Qd4#
- 2.Qc5#
- 2.Qf7#
- 1...Sg3
- 2.Qd4#
- 2.Qc5#
- 2.Qa2#
- 2.Qf7#
- 1...Sf4
- 2.Qd4#
- 2.Qc5#
- 2.Qa2#
- 1...Sg7
- 2.Qd4#
- 2.Qc5#
- 2.Qa2#
- 2.Qg2#
- 1...a2
- 2.Qd4#
- 2.Qc5#
- 2.Qg2#
- 2.Qf7#
- 1...Rxb5!
- threat
- 1.Sf5?
- threat
- 2.Qc5#
- 2.Qa2#
- 1...Bd6
- 2.Rxd6#
- 1...Sf6
- 2.Qc5#
- 1...e4
- 2.Qd4#
- 2.Qc5#
- 1...Ba7
- 2.Rd6#
- 1...Sd2
- 2.Qc5#
- 1...Sc3
- 2.Qc5#
- 1...a2
- 2.Qc5#
- 1...Rxc6!
- threat
- 1.Rd6+?
- 1...Bxd6
- 2.Be6#
- 1...Kxd6!
- 1...Bxd6
- 1.Sc2?
- Keys
- 1.Se6!
- threat
- 2.Qc5#
- 1...Kxc6
- 2.Qc5#
- 1...Kd6
- 2.Qc5#
- 1...Rxc6
- 2.Qd4#
- 1...Ba7
- 2.Sc7#
- 1...Bd6
- 2.Qg2#
- threat
- 1.Se6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- B(j);SBLOCK::B(J)
- Tries
- Try
- S(E);
- Threat
- DUALS(4)
- Vars
- B(j);::QAB(B)
- S(h);::QAR1(B)
- Refutation
- B(j);P_PINQ(B)
- Try
- S(E);
- Threat
- DUALS(4)
- Vars
- B(j);::QAB(B)
- S(h);::QAR1(B)
- Refutation
- B(j);P_PINQ(B)
- Try
- S(E);
- Threat
- DUALS(4)
- Vars
- B(j);::QAB(B)
- S(h);::QAR1(B)
- Refutation
- B(j);P_PINQ(B)
- Try
- S(E);
- Threat
- DUALS(3)
- Vars
- R(i);XP(G)::QAR1(B)
- P(c);XS(E)::QAR1(B)
- S(h);::QAR1(B)
- B(j);N_GUARD,P_PINQ(B)::R1(F),XP(g)
- Refutation
- B(j);
- Try
- S(E);XP(e)
- Threat
- DUALS(5)
- Vars
- S(h);::QAR1(B)
- Refutation
- R(d);XS(E)
- Try
- S(E);N_PINP(g)
- Threat
- DUALS(2)
- Vars
- B(j);N_GUARD::R1(H),XB(j)
- S(h);::QAR1(B)
- B(j);N_GUARD,P_PINQ(B)::R1(H)
- S(a);::QAR1(B)
- P(b);::QAR1(B)
- Refutation
- R(i);XP(G)
- Try
- R(H);CHECK
- Vars
- B(j);SBLOCK,XR(H)::B(J)
- Refutation
- K(f);N_SPINP(g),P-FLIGHT,XR(H)
- Try
- Actual
- S(E);
- Threat
- QAR1(B)
- Vars
- K(f);N_SPINP(g),S_FLIGHT,XP(G)::QAR1(B)
- K(f);N_SPINP(g),P-FLIGHT::QAB1(B)
- R(i);SBLOCK,XP(G)::QAR1(B)
- B(j);N_GUARD,P_PINQ(B)::S(E)
- B(j);SBLOCK::QAB(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).