MESON Chess Problem Database
Problem Display
PID: 115674 (3r4/1B2R1N1/p4p2/7Q/2nk2r1/2Rn4/1P6/KN6 w - - 0 1)
Draiska, Imants
3rd Prize, Schach TT, 1958
#2
8 + 7
| 6490 | yacpdb | 2009 |
| 56 | The Problemist | 2012 |
| 5454 | Near Snap | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Re4#
- 1...Rg2
- 2.Re4#
- 1...Rg3
- 2.Re4#
- 1...Re4
- 2.Rxe4#
- 1...Rg6
- 2.Re4#
- 1...Rxg7
- 2.Re4#
- 1...Rd5
- 2.Qxd5#
- 1...Ra8
- 2.Qd5#
- 1...Rb8
- 2.Qd5#
- 1...Rc8
- 2.Qd5#
- 1...Re8
- 2.Qd5#
- 1...Rf8
- 2.Qd5#
- 1...Rg8
- 2.Qd5#
- 1...Rh8
- 2.Qd5#
- 1...Sc1
- 2.Se6#
- 1...Se1
- 2.Se6#
- 1...Sdxb2
- 2.Se6#
- 1...Sf2
- 2.Se6#
- 1...Sb4
- 2.Se6#
- 1...Sf4
- 2.Re4#
- 1...Sc5
- 2.Sf5#
- 1...Sde5
- 2.Se6#
- 1...Scxb2
- 2.Sf5#
- 1...Sd2
- 2.Sf5#
- 1...Sa3
- 2.Sf5#
- 1...Se3
- 2.Se6#
- 1...Sa5
- 2.Sf5#
- 1...Sce5
- 2.Sf5#
- 1...Sb6
- 2.Sf5#
- 1...Sd6
- 2.Qd5#
- 1...Rg1
- Tries
- 1.Re1?
- threat
- 2.Se6#
- 1...Rxg7
- 2.Re4#
- 1...Re4
- 2.Rxe4#
- 1...Re8
- 2.Qd5#
- 1...Sf4
- 2.Re4#
- 1...Sc5
- 2.Sf5#
- 1...Rd6!
- threat
- 1.Re2?
- threat
- 2.Se6#
- 1...Rxg7
- 2.Re4#
- 1...Re4
- 2.Rxe4#
- 1...Re8
- 2.Qd5#
- 1...Sf4
- 2.Re4#
- 1...Sc5
- 2.Sf5#
- 1...Rd6!
- threat
- 1.Qa5?
- threat
- 2.Sf5#
- 1...Rxg7
- 2.Re4#
- 1...Rg5
- 2.Re4#
- 1...Rd5
- 2.Qxd5#
- 1...Se3
- 2.Se6#
- 1...Sd6
- 2.Qd5#
- 1...f5
- 2.Sxf5#
- 1...Rf4!
- threat
- 1.Qb5?
- threat
- 2.Sf5#
- 2.Rxc4#
- 2.Qxc4#
- 1...Rxg7
- 2.Rxc4#
- 2.Re4#
- 2.Qxc4#
- 1...Sdxb2
- 2.Sf5#
- 2.Se6#
- 1...Scxb2
- 2.Sf5#
- 1...Re4
- 2.Sf5#
- 2.Rxe4#
- 1...Sce5
- 2.Sf5#
- 1...Rf4
- 2.Rxc4#
- 2.Qxc4#
- 1...Rg5
- 2.Rxc4#
- 2.Re4#
- 2.Qxc4#
- 1...Rd5
- 2.Rxc4#
- 2.Qxc4#
- 2.Qxd5#
- 1...Rc8
- 2.Sf5#
- 2.Qd5#
- 1...Sc1
- 2.Sf5#
- 2.Se6#
- 2.Qxc4#
- 1...Se1
- 2.Sf5#
- 2.Se6#
- 2.Qxc4#
- 1...Sf2
- 2.Sf5#
- 2.Se6#
- 2.Qxc4#
- 1...Sb4
- 2.Sf5#
- 2.Se6#
- 2.Qxc4#
- 1...Sf4
- 2.Sf5#
- 2.Re4#
- 2.Qxc4#
- 1...Sc5
- 2.Sf5#
- 2.Qxc4#
- 1...Sde5
- 2.Sf5#
- 2.Se6#
- 1...Sd2
- 2.Sf5#
- 2.Rxd3#
- 2.Qxd3#
- 1...Sa3
- 2.Sf5#
- 2.Rxd3#
- 2.Qxd3#
- 1...Se3
- 2.Se6#
- 2.Rxd3#
- 2.Qxd3#
- 1...Sa5
- 2.Sf5#
- 2.Rxd3#
- 2.Qxd3#
- 1...Sb6
- 2.Sf5#
- 2.Rxd3#
- 2.Qxd3#
- 1...Sd6
- 2.Rxd3#
- 2.Qxd3#
- 2.Qd5#
- 1...f5
- 2.Sxf5#
- 2.Rxc4#
- 2.Qxc4#
- 1...axb5!
- threat
- 1.Qc5+?
- 1...Sxc5
- 2.Sf5#
- 1...Kxc5!
- 1...Sxc5
- 1.Qe5+?
- 1...Sdxe5
- 2.Se6#
- 1...Scxe5
- 2.Sf5#
- 1...fxe5!
- 1...Sdxe5
- 1.b4?
- threat
- 2.Sf5#
- 1...Rxg7
- 2.Re4#
- 1...Sxb4
- 2.Se6#
- 1...Rg5
- 2.Re4#
- 1...Rd5
- 2.Qxd5#
- 1...Se3
- 2.Se6#
- 1...Sd6
- 2.Qd5#
- 1...f5
- 2.Sxf5#
- 1...Rf4!
- threat
- 1.Re1?
- Keys
- 1.b3!
- threat
- 2.Rxc4#
- 1...Re4
- 2.Rxe4#
- 1...Sde5
- 2.Se6#
- 1...Sce5
- 2.Sf5#
- 1...Rc8
- 2.Qd5#
- 1...Sc1
- 2.Se6#
- 1...Se1
- 2.Se6#
- 1...Sdb2
- 2.Se6#
- 1...Sf2
- 2.Se6#
- 1...Sb4
- 2.Se6#
- 1...Sf4
- 2.Re4#
- 1...Sc5
- 2.Sf5#
- 1...Scb2
- 2.Sf5#
- 1...Sd2
- 2.Sf5#
- 1...Sa3
- 2.Sf5#
- 1...Se3
- 2.Se6#
- 1...Sa5
- 2.Sf5#
- 1...Sb6
- 2.Sf5#
- 1...Sd6
- 2.Qd5#
- threat
- 1.b3!
Anticipated by 103264(1948)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 12
- Sets
- R(d);N_GUARD,P_PINS(B)::R1(G)
- R(d);N_GUARD::R1(G)
- R(d);N_GUARD::R1(G),XR(d)
- R(d);N_GUARD,XS(H)::R1(G)
- R(g);N_GUARD::QAR1(E),XR(g)
- R(g);N_GUARD::QAR1(E)
- S(a);::S(H)
- S(a);XP(C)::S(H)
- S(a);S_CUTR(d)::R1(G)
- S(a);SBLOCK::S(H)
- S(b);XP(C)::S(H)
- S(b);::S(H)
- S(b);SBLOCK::S(H)
- S(b);S_CUTR(g)::QAR1(E)
- Tries
- Try
- R(G);
- Threat
- S(H)
- Vars
- R(d);N_GUARD,XS(H)::R1(G)
- R(d);N_GUARD::R1(G),XR(d)
- R(g);N_GUARD::QAR1(E)
- S(a);S_CUTR(d)::R1(G)
- S(a);SBLOCK::S(H)
- Refutation
- R(g);
- Try
- R(G);
- Threat
- S(H)
- Vars
- R(d);N_GUARD,XS(H)::R1(G)
- R(d);N_GUARD::R1(G),XR(d)
- R(g);N_GUARD::QAR1(E)
- S(a);S_CUTR(d)::R1(G)
- S(a);SBLOCK::S(H)
- Refutation
- R(g);
- Try
- Q(E);
- Threat
- S(H)
- Vars
- R(d);N_GUARD,XS(H)::R1(G)
- R(d);N_GUARD::R1(G)
- R(g);N_GUARD::QAR1(E),XR(g)
- S(b);SBLOCK::S(H)
- S(b);S_CUTR(g)::QAR1(E)
- P(f);::S(H),XP(f)
- Refutation
- R(d);
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- S(b);XP(C)::S(H)
- S(b);::S(H)
- Refutation
- P(e);XQ(E)
- Try
- Q(E);CHECK
- Vars
- S(a);SBLOCK,XQ(E)::S(H)
- Refutation
- K(c);P_SPINS(b),S_FLIGHT,XQ(E)
- Try
- Q(E);CHECK
- Vars
- S(a);SBLOCK,XQ(E)::S(H)
- S(b);XQ(E)::S(H)
- Refutation
- P(f);XQ(E)
- Try
- P(C);
- Threat
- S(H)
- Vars
- R(d);N_GUARD,XS(H)::R1(G)
- S(a);XP(C)::S(H)
- R(d);N_GUARD::R1(G)
- R(g);N_GUARD::QAR1(E),XR(g)
- S(b);SBLOCK::S(H)
- S(b);S_CUTR(g)::QAR1(E)
- P(f);::S(H),XP(f)
- Refutation
- R(d);
- Try
- Actual
- P(C);
- Threat
- R1(D),XS(b)
- Vars
- R(d);N_GUARD::R1(G),XR(d)
- S(a);::S(H)
- S(b);::S(H)
- R(g);N_GUARD::QAR1(E)
- S(a);S_CUTR(d)::R1(G)
- S(a);SBLOCK::S(H)
- S(b);SBLOCK::S(H)
- S(b);S_CUTR(g)::QAR1(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).