MESON Chess Problem Database
Problem Display
PID: 154357 (K7/5p1b/QR6/2pNk3/6P1/p2nN3/r3Rb2/7B w - - 0 1)
Krikheli, Iosif Mikhailovich
Shakhmaty, 1974
#2
8 + 8
| 5007 | Zadachi i Etyudi | 1995 |
SOLUTION
- SOUND
- Tries
- 1.Sf5+?
- 1...Be3
- 2.Rxe3#
- 1...Rxe2!
- 1...Be3
- 1.Rbb2?
- threat
- 2.Qf6#
- 1...Kd4
- 2.Sc2#
- 1...Bh4
- 2.Sf5#
- 1...f6
- 2.Qxf6#
- 1...axb2!
- threat
- 1.Rb4?
- threat
- 2.Qf6#
- 1...f6
- 2.Qxf6#
- 1...Bh4!
- threat
- 1.Re6+?
- 1...Kd4
- 2.Qc4#
- 1...fxe6!
- 1...Kd4
- 1.Qxd3?
- threat
- 2.Sc4#
- 2.Qc3#
- 1...Bxe3
- 2.Qc3#
- 1...Rc2
- 2.Sc4#
- 1...Rd2
- 2.Sc4#
- 1...Be1
- 2.Sc4#
- 1...c4
- 2.Sxc4#
- 2.Qc3#
- 1...Bxd3!
- threat
- 1.Sf5+?
- Keys
- 1.Rg6!
- threat
- 2.Qf6#
- 1...Kd4
- 2.Sf5#
- 1...Bh4
- 2.Sc2#
- 1...f6
- 2.Qxf6#
- threat
- 1.Rg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(C);CHECK
- Vars
- B(b);N_GUARD,P_SPINB(b)::R(B),XB(b)
- Refutation
- R(a);XR(B)
- Try
- R(G);
- Threat
- QAB1(F)
- Vars
- K(f);S_FLIGHT::S(C)
- B(b);N_GUARD::R(B)+S(C)
- P(g);::QAB1(F),XP(g)
- Refutation
- P(c);P_PINQ(F),XR(G)
- Try
- R(G);
- Threat
- QAB1(F)
- Vars
- P(g);::QAB1(F),XP(g)
- Refutation
- B(b);
- Try
- R(G);CHECK
- Vars
- K(f);S_FLIGHT::QAR1(F)
- Refutation
- P(g);XR(G)
- Try
- Q(F);XS(d)
- Threat
- DUALS(2)
- Vars
- B(b);P_SPINB(b),XS(C)::QAB(F)
- R(a);::R(B)+S(C),DCHECK
- B(b);::R(B)+S(C),DCHECK
- Refutation
- B(h);XQ(F)
- Try
- Actual
- R(G);
- Threat
- QAB1(F)
- Vars
- K(f);S_FLIGHT::S(C)
- B(b);N_GUARD::R(B)+S(C)
- P(g);::QAB1(F),XP(g)
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).