MESON Chess Problem Database
Problem Display
PID: 184845 (8/KP6/p2N4/2np2p1/3k2P1/3pn2r/1P1N3Q/8 w - - 0 1)
Jewetsky, Feodor Orestovich
125 Shakhmaty Zadachi (Eventski), 1908
#2
7 + 8
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rxh2
- 2.Sf3#
- 1...Rf3
- 2.Sxf3#
- 1...Rg3
- 2.Qh8#
- 1...Rh4
- 2.Sf3#
- 1...Rh5
- 2.Sf3#
- 1...Rh6
- 2.Sf3#
- 1...Rh7
- 2.Sf3#
- 1...Rh8
- 2.Sf3#
- 2.Qxh8#
- 1...Sd1
- 2.Sf5#
- 1...Sf1
- 2.Sf5#
- 1...Sc2
- 2.Sf5#
- 1...Sg2
- 2.Sf5#
- 1...Sc4
- 2.Sf5#
- 1...Sxg4
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sb3
- 2.Sxb3#
- 1...Sa4
- 2.Sb3#
- 1...Se4
- 2.Sb3#
- 1...Se6
- 2.Sb3#
- 1...Sxb7
- 2.Sb3#
- 1...Sd7
- 2.Sb3#
- 1...a5
- 2.Sb5#
- 1...Rxh2
- Tries
- 1.Kb8?
- 1...Rh8+
- 2.Qxh8#
- 1...Rxh2
- 2.Sf3#
- 1...Sxg4
- 2.Sf5#
- 1...Sxb7
- 2.Sb3#
- 1...Rg3
- 2.Qh8#
- 1...Sd1
- 2.Sf5#
- 1...Sf1
- 2.Sf5#
- 1...Sc2
- 2.Sf5#
- 1...Sg2
- 2.Sf5#
- 1...Sc4
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sb3
- 2.Sxb3#
- 1...Sa4
- 2.Sb3#
- 1...Se4
- 2.Sb3#
- 1...Se6
- 2.Sb3#
- 1...Rf3
- 2.Sxf3#
- 1...Rh4
- 2.Sf3#
- 1...Rh5
- 2.Sf3#
- 1...Rh6
- 2.Sf3#
- 1...Rh7
- 2.Sf3#
- 1...a5
- 2.Sb5#
- 1...Sd7+!
- 1...Rh8+
- 1.Qg3?
- threat
- 2.Sf3#
- 1...Sxg4
- 2.Sf5#
- 1...Sxb7
- 2.Sb3#
- 1...Sb3
- 2.Sxb3#
- 1...Sa4
- 2.Sb3#
- 1...Se4
- 2.Sb3#
- 1...Se6
- 2.Sb3#
- 1...Sd7
- 2.Sb3#
- 1...Sd1
- 2.Sf5#
- 1...Sf1
- 2.Sf5#
- 1...Sc2
- 2.Sf5#
- 1...Sg2
- 2.Sf5#
- 1...Sc4
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Rxg3!
- threat
- 1.Qf4+?
- 1...Se4
- 2.Sb3#
- 1...gxf4!
- 1...Se4
- 1.b8Q?
- 1...Rxh2
- 2.Sf3#
- 1...Sxg4
- 2.Sf5#
- 1...Rg3
- 2.Qhh8#
- 2.Qbh8#
- 1...Sd1
- 2.Sf5#
- 1...Sf1
- 2.Sf5#
- 1...Sc2
- 2.Sf5#
- 1...Sg2
- 2.Sf5#
- 1...Sc4
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sb3
- 2.Sxb3#
- 1...Sa4
- 2.Sb3#
- 1...Se4
- 2.Sb3#
- 1...Se6
- 2.Sb3#
- 1...Sb7
- 2.Sb3#
- 1...Sd7
- 2.Sb3#
- 1...Rf3
- 2.Sxf3#
- 1...Rh4
- 2.Sf3#
- 1...Rh5
- 2.Sf3#
- 1...Rh6
- 2.Sf3#
- 1...Rh8
- 2.Sf3#
- 2.Qhxh8#
- 2.Qbxh8#
- 1...a5
- 2.Sb5#
- 1...Rh7+!
- 1...Rxh2
- 1.b8S?
- threat
- 2.Sc6#
- 1...Sxg4
- 2.Sf5#
- 1...Sd1
- 2.Sf5#
- 1...Sf1
- 2.Sf5#
- 1...Sc2
- 2.Sf5#
- 1...Sg2
- 2.Sf5#
- 1...Sc4
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sb3
- 2.Sxb3#
- 1...Sa4
- 2.Sb3#
- 1...Se4
- 2.Sb3#
- 1...Se6
- 2.Sb3#
- 1...Sb7
- 2.Sb3#
- 1...Sd7
- 2.Sb3#
- 1...Rh7+!
- threat
- 1.b8B?
- 1...Rxh2
- 2.Sf3#
- 1...Sxg4
- 2.Sf5#
- 1...Rg3
- 2.Qh8#
- 1...Sd1
- 2.Sf5#
- 1...Sf1
- 2.Sf5#
- 1...Sc2
- 2.Sf5#
- 1...Sg2
- 2.Sf5#
- 1...Sc4
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sb3
- 2.Sxb3#
- 1...Sa4
- 2.Sb3#
- 1...Se4
- 2.Sb3#
- 1...Se6
- 2.Sb3#
- 1...Sb7
- 2.Sb3#
- 1...Sd7
- 2.Sb3#
- 1...Rf3
- 2.Sxf3#
- 1...Rh4
- 2.Sf3#
- 1...Rh5
- 2.Sf3#
- 1...Rh6
- 2.Sf3#
- 1...Rh8
- 2.Sf3#
- 2.Qxh8#
- 1...a5
- 2.Sb5#
- 1...Rh7+!
- 1...Rxh2
- 1.b8R?
- 1...Rxh2
- 2.Sf3#
- 1...Sxg4
- 2.Sf5#
- 1...Rg3
- 2.Qh8#
- 1...Sd1
- 2.Sf5#
- 1...Sf1
- 2.Sf5#
- 1...Sc2
- 2.Sf5#
- 1...Sg2
- 2.Sf5#
- 1...Sc4
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sb3
- 2.Sxb3#
- 1...Sa4
- 2.Sb3#
- 1...Se4
- 2.Sb3#
- 1...Se6
- 2.Sb3#
- 1...Sb7
- 2.Sb3#
- 1...Sd7
- 2.Sb3#
- 1...Rf3
- 2.Sxf3#
- 1...Rh4
- 2.Sf3#
- 1...Rh5
- 2.Sf3#
- 1...Rh6
- 2.Sf3#
- 1...Rh8
- 2.Sf3#
- 2.Qxh8#
- 1...a5
- 2.Sb5#
- 1...Rh7+!
- 1...Rxh2
- 1.Kb8?
- Keys
- 1.Ka8!
- 1...Rh8+
- 2.Qxh8#
- 1...Rxh2
- 2.Sf3#
- 1...Sxg4
- 2.Sf5#
- 1...Sxb7
- 2.Sb3#
- 1...Rg3
- 2.Qh8#
- 1...Sd1
- 2.Sf5#
- 1...Sf1
- 2.Sf5#
- 1...Sc2
- 2.Sf5#
- 1...Sg2
- 2.Sf5#
- 1...Sc4
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sb3
- 2.Sxb3#
- 1...Sa4
- 2.Sb3#
- 1...Se4
- 2.Sb3#
- 1...Se6
- 2.Sb3#
- 1...Sd7
- 2.Sb3#
- 1...Rf3
- 2.Sxf3#
- 1...Rh4
- 2.Sf3#
- 1...Rh5
- 2.Sf3#
- 1...Rh6
- 2.Sf3#
- 1...Rh7
- 2.Sf3#
- 1...a5
- 2.Sb5#
- 1...Rh8+
- 1.Ka8!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD,XQ(C)::S(B)
- R(c);N_GUARD::S(B),XR(c)
- R(c);OGATE::QAB(C)
- R(c);N_GUARD::S(B)
- R(c);N_GUARD,P_PINP(G)::S(B)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD,XP(D)::S(E)
- S(b);N_GUARD::S(E),XS(b)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- S(e);N_GUARD,XP(G)::S(B)
- P(h);N_GUARD::S(E)
- Tries
- Try
- K(F);S_FLIGHT
- Vars
- R(c);CHECK,OGATE::QAB(C),XR(c)
- R(c);N_GUARD,XQ(C)::S(B)
- S(b);N_GUARD,XP(D)::S(E)
- S(e);N_GUARD,XP(G)::S(B)
- R(c);OGATE::QAB(C)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- R(c);N_GUARD::S(B),XR(c)
- R(c);N_GUARD::S(B)
- P(h);N_GUARD::S(E)
- Refutation
- S(e);CHECK
- Try
- Q(C);
- Threat
- S(B)
- Vars
- S(b);N_GUARD,XP(D)::S(E)
- S(e);N_GUARD,XP(G)::S(B)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- Refutation
- R(c);XQ(C)
- Try
- Q(C);CHECK
- Vars
- S(e);P_SPINS(e)::S(B)
- Refutation
- P(g);XQ(C)
- Try
- P(G);
- Vars
- R(c);N_GUARD,XQ(C)::S(B)
- S(b);N_GUARD,XP(D)::S(E)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- R(c);N_GUARD::S(B),XR(c)
- R(c);N_GUARD::S(B)
- P(h);N_GUARD::S(E)
- Refutation
- R(c);CHECK
- Try
- P(G);
- Threat
- S(G)
- Vars
- S(b);N_GUARD,XP(D)::S(E)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- Refutation
- R(c);CHECK
- Try
- P(G);
- Vars
- R(c);N_GUARD,XQ(C)::S(B)
- S(b);N_GUARD,XP(D)::S(E)
- R(c);OGATE::QAB(C)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- R(c);N_GUARD::S(B),XR(c)
- R(c);N_GUARD::S(B)
- P(h);N_GUARD::S(E)
- Refutation
- R(c);CHECK
- Try
- P(G);
- Vars
- R(c);N_GUARD,XQ(C)::S(B)
- S(b);N_GUARD,XP(D)::S(E)
- R(c);OGATE::QAB(C)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- R(c);N_GUARD::S(B),XR(c)
- R(c);N_GUARD::S(B)
- P(h);N_GUARD::S(E)
- Refutation
- R(c);CHECK
- Try
- Actual
- K(F);P-FLIGHT
- Vars
- R(c);CHECK,OGATE::QAB(C),XR(c)
- R(c);N_GUARD,XQ(C)::S(B)
- S(b);N_GUARD,XP(D)::S(E)
- S(e);N_GUARD,XP(G)::S(B)
- R(c);OGATE::QAB(C)
- S(b);N_GUARD::S(E)
- S(b);N_GUARD::S(E),XS(b)
- S(e);N_GUARD::S(B),XS(e)
- S(e);N_GUARD::S(B)
- R(c);N_GUARD::S(B),XR(c)
- R(c);N_GUARD::S(B)
- P(h);N_GUARD::S(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).