MESON Chess Problem Database
Problem Display
PID: 45892 (8/Q1bK4/3nBppB/2N3qR/1P1k2p1/2p5/3N1P1p/n3R3 w - - 0 1)
Retter, Yosef
2nd HM., Probleemblad 143. TT, 1982
#2
10 + 10
| 3841 | The Art of Israeli Chess Composition | 1983 |
| 3752 | FIDE Album (1980-1982) | 1988 |
SOLUTION
- SOUND
- Sets
- 1...Qe3
- 2.Bxe3#
- 2.Rd5#
- 2.fxe3#
- 1...Qf4
- 2.Rd5#
- 1...Qh4
- 2.Be3#
- 2.Rd5#
- 1...Qxh6
- 2.Rd5#
- 1...Qxc5
- 2.Rd5#
- 1...Qd5
- 2.Be3#
- 2.Rxd5#
- 1...Sc2
- 2.Sdb3#
- 1...Sb3
- 2.Sdxb3#
- 1...Sc4
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sb5
- 2.Re4#
- 1...Sf5
- 2.Re4#
- 1...Sb7
- 2.Re4#
- 1...Sf7
- 2.Re4#
- 1...Sc8
- 2.Re4#
- 1...Se8
- 2.Re4#
- 1...cxd2
- 2.Qxa1#
- 1...c2
- 2.Qxa1#
- 1...g3
- 2.Sf3#
- 1...Qe3
- Tries
- 1.Bxg5?
- threat
- 2.Be3#
- 2.Bxf6#
- 1...cxd2
- 2.Bxf6#
- 2.Qxa1#
- 1...gxh5
- 2.Bxf6#
- 1...Se4
- 2.Be3#
- 2.Rxe4#
- 1...c2
- 2.Bxf6#
- 2.Qxa1#
- 1...Bd8
- 2.Be3#
- 1...Sc2
- 2.Sdb3#
- 2.Bxf6#
- 1...Sc4
- 2.Re4#
- 1...Sb5
- 2.Be3#
- 2.Re4#
- 1...Sf5
- 2.Re4#
- 1...Sb7
- 2.Be3#
- 2.Re4#
- 1...Sf7
- 2.Be3#
- 2.Re4#
- 1...Sc8
- 2.Be3#
- 2.Re4#
- 1...Se8
- 2.Be3#
- 2.Re4#
- 1...f5
- 2.Bf6#
- 1...fxg5!
- threat
- 1.Re3?
- threat
- 2.Scb3#
- 1...Qxe3
- 2.Bxe3#
- 2.Rd5#
- 2.fxe3#
- 1...Qxc5
- 2.Rd5#
- 2.Qxc5#
- 1...Se4
- 2.Rxe4#
- 1...Sb3
- 2.Sdxb3#
- 2.Scxb3#
- 1...Bb6!
- threat
- 1.Rh3?
- threat
- 2.Scb3#
- 2.Rd3#
- 1...Qxd2
- 2.Sb3#
- 1...Qxc5
- 2.Qxc5#
- 1...gxh3
- 2.Sf3#
- 1...Se4
- 2.Rxe4#
- 1...Bb6
- 2.Rd3#
- 1...Qf5
- 2.Scb3#
- 1...Sb3
- 2.Sdxb3#
- 2.Scxb3#
- 2.Rd3#
- 1...g3
- 2.Sf3#
- 1...Qe3!
- threat
- 1.Qa6?
- threat
- 2.Qd3#
- 1...Qxd2
- 2.Rd5#
- 1...Qxc5
- 2.Be3#
- 1...Se4
- 2.Rxe4#
- 1...Qe3
- 2.Bxe3#
- 2.Rd5#
- 2.fxe3#
- 1...Sc4
- 2.Re4#
- 2.Qxc4#
- 1...Sb5
- 2.Re4#
- 1...Qf5!
- threat
- 1.Bxg5?
- Keys
- 1.Rd1!
- threat
- 2.Sf3#
- 1...Ke5
- 2.Sd3#
- 1...Qxd2
- 2.Be3#
- 1...Qxc5
- 2.Rd5#
- 1...cxd2
- 2.Qxa1#
- 1...c2
- 2.Qxa1#
- 1...Qd5
- 2.Be3#
- 2.Rxd5#
- threat
- 1.Rd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 13
- Sets
- Q(f);OGATE::R1(F)
- Q(f);OGATE,XB(H)::R1(F)
- Q(f);OGATE,P_SPINQ(f),XS(E)::R1(F)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- S(g);N_GUARD::R1(A)
- S(g);N_GUARD::R1(A),XS(g)
- P(c);OGATEB,XS(B)::QAB(I),XS(a)
- P(c);OGATEB::QAB(I),XS(a)
- P(e);N_GUARD::S(B)
- Tries
- Try
- B(H);XQ(f)
- Threat
- DUALS(2)
- Vars
- P(i);XR(F)::B(H),XP(h)
- B(j);::B(H)
- S(g);N_GUARD::R1(A)
- P(h);::B(H)
- Refutation
- P(h);XB(H)
- Try
- R(A);
- Threat
- QAB(I)+S(E),DCHECK
- Vars
- S(g);N_GUARD::R1(A),XS(g)
- Refutation
- B(j);
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- Q(f);XS(B)::QAB(I)+S(E),DCHECK
- Q(f);OGATE,P_SPINQ(f),XS(E)::QAB1(I),XQ(f)
- P(e);N_GUARD,XR(F)::S(B)
- S(g);N_GUARD::R1(A),XS(g)
- B(j);::R1(F)
- Q(f);P_PINB(G)::QAB(I)+S(E),DCHECK
- P(e);N_GUARD::S(B)
- Refutation
- Q(f);
- Try
- Q(I);
- Threat
- QAR1(I)
- Vars
- Q(f);OGATE,XS(B)::R1(F)
- Q(f);OGATE,XS(E)::B(H)
- S(g);N_GUARD::R1(A),XS(g)
- S(g);N_GUARD::R1(A)
- Refutation
- Q(f);P_PINB(G)
- Try
- Actual
- R(A);
- Threat
- R(A)+S(B),DCHECK
- Vars
- K(d);P_SPINQ(f),S_FLIGHT::S(E)
- Q(f);OGATE,P_SPINQ(f),XS(B)::B(H)
- Q(f);OGATE,P_SPINQ(f),XS(E)::R1(F)
- P(c);OGATEB,P_SPINP(c),XS(B)::QAB(I),XS(a)
- P(c);OGATEB::QAB(I),XS(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).