MESON Chess Problem Database
Problem Display
PID: 115664 (K7/5pb1/2p2nq1/p1R4R/2NkNB2/Q2p2nr/8/3r4 w - - 0 1)
Draiska, Imants
Ukraine Sports Committee, 1953
#2
7 + 11
| 113 | Shakhmaty v SSSR | 1954 |
| 5454 | Near Snap | 2009 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxe4
- 2.Qb2#
- 1...Sgxe4
- 2.Be5#
- 1...Sfxe4
- 2.Be3#
- 1...d2
- 2.Qe3#
- 1...Qxe4
- Tries
- 1.Sb2?
- threat
- 2.Rc4#
- 2.Qa4#
- 1...Qxh5
- 2.Qa4#
- 1...Rxh5
- 2.Qa4#
- 1...Sgxh5
- 2.Qa4#
- 1...Sfxh5
- 2.Qa4#
- 1...Qf5
- 2.Qa4#
- 1...Qg5
- 2.Qa4#
- 1...Ra1
- 2.Rc4#
- 2.Qxd3#
- 1...Rc1
- 2.Qxd3#
- 1...Sf5
- 2.Qa4#
- 1...Sd5
- 2.Rc4#
- 1...a4
- 2.Rc4#
- 2.Qb4#
- 2.Qxa4#
- 1...Kxe4!
- threat
- 1.Scd2?
- threat
- 2.Rc4#
- 2.Qb2#
- 2.Qc3#
- 2.Qa4#
- 1...Qxh5
- 2.Qb2#
- 2.Qc3#
- 2.Qa4#
- 1...Rxd2
- 2.Qa4#
- 1...Rxh5
- 2.Qb2#
- 2.Qc3#
- 2.Qa4#
- 1...Sgxe4
- 2.Sb3#
- 2.Rc4#
- 2.Qa4#
- 1...Sgxh5
- 2.Qb2#
- 2.Qc3#
- 2.Qa4#
- 1...Sfxe4
- 2.Sb3#
- 2.Sf3#
- 2.Rc4#
- 2.Qa4#
- 1...Sfxh5
- 2.Qb2#
- 2.Qc3#
- 2.Qa4#
- 1...Qf5
- 2.Qb2#
- 2.Qc3#
- 2.Qa4#
- 1...Qg5
- 2.Qb2#
- 2.Qc3#
- 2.Qa4#
- 1...Ra1
- 2.Rc4#
- 2.Qb2#
- 2.Qxa1#
- 2.Qc3#
- 1...Rb1
- 2.Rc4#
- 2.Qc3#
- 1...Se2
- 2.Rc4#
- 2.Qa4#
- 1...Sf5
- 2.Qb2#
- 2.Qc3#
- 2.Qa4#
- 1...Sd5
- 2.Rc4#
- 1...a4
- 2.Rc4#
- 2.Qb2#
- 2.Qb4#
- 2.Qc3#
- 2.Qxa4#
- 1...Rc1!
- threat
- 1.Scd6?
- threat
- 2.Rc4#
- 2.Qb2#
- 2.Qc3#
- 2.Qa4#
- 1...Qxh5
- 2.Qb2#
- 2.Qc3#
- 2.Qa4#
- 1...Rxh5
- 2.Qb2#
- 2.Qc3#
- 2.Qa4#
- 1...Sgxe4
- 2.Rc4#
- 2.Qa4#
- 1...Sgxh5
- 2.Qb2#
- 2.Qc3#
- 2.Qa4#
- 1...Sfxe4
- 2.Rc4#
- 2.Qa4#
- 1...Sfxh5
- 2.Qb2#
- 2.Qc3#
- 2.Qa4#
- 1...Qf5
- 2.Qb2#
- 2.Qc3#
- 2.Qa4#
- 1...Qg5
- 2.Qb2#
- 2.Qc3#
- 2.Qa4#
- 1...Ra1
- 2.Rc4#
- 2.Qb2#
- 2.Qxa1#
- 2.Qc3#
- 1...Rb1
- 2.Rc4#
- 2.Qc3#
- 1...Rd2
- 2.Rc4#
- 2.Qc3#
- 2.Qa4#
- 1...Rh2
- 2.Rc4#
- 2.Qc3#
- 2.Qa4#
- 1...Se2
- 2.Rc4#
- 2.Qa4#
- 1...Sf5
- 2.Qb2#
- 2.Qc3#
- 2.Qa4#
- 1...Sd5
- 2.Rc4#
- 1...d2
- 2.Be3#
- 2.Be5#
- 2.Rc4#
- 2.Qc3#
- 2.Qe3#
- 1...a4
- 2.Rc4#
- 2.Qb2#
- 2.Qb4#
- 2.Qc3#
- 2.Qxa4#
- 1...Rc1!
- threat
- 1.Sb2?
- Keys
- 1.Se5!
- threat
- 2.Qa4#
- 1...Kxe4
- 2.Qa4#
- 1...Qxe4
- 2.Qc3#
- 1...Sgxe4
- 2.Sxc6#
- 1...Sfxe4
- 2.Sf3#
- 1...Rc1
- 2.Qxd3#
- 1...Ra1
- 2.Qxd3#
- 1...Rb1
- 2.Qxd3#
- 1...Sd5
- 2.Rc4#
- 1...a4
- 2.Qb4#
- 2.Qxa4#
- threat
- 1.Se5!
Anticipated by 35049(1953)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- Q(i);SBLOCK,XS(C)::QAB(A)
- S(c);SBLOCK,XS(C)::B(D)
- S(h);SBLOCK,XS(C)::B(D)
- P(b);OGATE::QAB1(A)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- Q(i);XR(F)::QAR(A)
- R(d);XR(F)::QAR(A)
- S(c);XR(F)::QAR(A)
- S(h);XR(F)::QAR(A)
- Q(i);::QAR(A)
- R(a);N_GUARD::QAR1(A),XP(b)
- S(c);::QAR(A)
- S(h);::R1(E)
- Refutation
- K(e);P-FLIGHT,XS(C)
- Try
- S(B);
- Threat
- DUALS(4)
- Vars
- R(a);XS(B)::QAR(A)
- S(h);::R1(E)
- Refutation
- R(a);
- Try
- S(B);
- Threat
- DUALS(4)
- Vars
- S(h);::R1(E)
- Refutation
- R(a);
- Try
- Actual
- S(B);
- Threat
- QAR(A)
- Vars
- K(e);P-FLIGHT,XS(C)::QAR(A)
- Q(i);SBLOCK,XS(C)::QAB1(A)
- S(c);SBLOCK,XS(C)::S(B),XP(g)
- S(h);SBLOCK,XS(C)::S(B)
- R(a);N_GUARD::QAR1(A),XP(b)
- S(h);SBLOCK::R1(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).