MESON Chess Problem Database
Problem Display
PID: 184813 (7K/8/1N6/8/3p2Rp/2k4P/1R4Q1/2rr4 w - - 0 1)
Jewetsky, Feodor Orestovich
125 Shakhmaty Zadachi (Eventski), 1908
#2
6 + 5
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Kd3
- 2.Qf3#
- 1...Ra1
- 2.Qc2#
- 1...Rb1
- 2.Qc2#
- 1...Rc2
- 2.Qxc2#
- 1...Re1
- 2.Qd2#
- 1...Rf1
- 2.Qd2#
- 1...Rg1
- 2.Qd2#
- 1...Rh1
- 2.Qd2#
- 1...Rd2
- 2.Qxd2#
- 1...d3
- 2.Sa4#
- 2.Sd5#
- 2.Rc4#
- 1...Kd3
- Tries
- 1.Kg7?
- 1...Kd3
- 2.Qf3#
- 1...Rc2
- 2.Qxc2#
- 1...Rd2
- 2.Qxd2#
- 1...Ra1
- 2.Qc2#
- 1...Rb1
- 2.Qc2#
- 1...Re1
- 2.Qd2#
- 1...Rf1
- 2.Qd2#
- 1...Rg1
- 2.Qd2#
- 1...Rh1
- 2.Qd2#
- 1...d3
- 2.Sa4#
- 2.Sd5#
- 2.Rc4#
- 1...Rd3!
- 1...Kd3
- 1.Kh7?
- 1...Kd3
- 2.Qf3#
- 1...Rc2
- 2.Qxc2#
- 1...Rd2
- 2.Qxd2#
- 1...Ra1
- 2.Qc2#
- 1...Rb1
- 2.Qc2#
- 1...Re1
- 2.Qd2#
- 1...Rf1
- 2.Qd2#
- 1...Rg1
- 2.Qd2#
- 1...Rh1
- 2.Qd2#
- 1...d3
- 2.Sa4#
- 2.Sd5#
- 2.Rc4#
- 1...Rd3!
- 1...Kd3
- 1.Kg8?
- 1...Kd3
- 2.Qf3#
- 1...Rc2
- 2.Qxc2#
- 1...Rd2
- 2.Qxd2#
- 1...Ra1
- 2.Qc2#
- 1...Rb1
- 2.Qc2#
- 1...Re1
- 2.Qd2#
- 1...Rf1
- 2.Qd2#
- 1...Rg1
- 2.Qd2#
- 1...Rh1
- 2.Qd2#
- 1...d3
- 2.Sa4#
- 2.Sd5#
- 2.Rc4#
- 1...Rd3!
- 1...Kd3
- 1.Sa4+?
- 1...Kd3
- 2.Qe2#
- 1...Kc4!
- 1...Kd3
- 1.Sd5+?
- 1...Kd3
- 2.Qe2#
- 1...Kc4!
- 1...Kd3
- 1.Re4?
- 1...Kd3
- 2.Qf3#
- 1...Rc2
- 2.Qxc2#
- 1...Rd2
- 2.Qxd2#
- 1...Ra1
- 2.Qc2#
- 1...Rb1
- 2.Qc2#
- 1...Re1
- 2.Qd2#
- 1...Rf1
- 2.Qd2#
- 1...Rg1
- 2.Qd2#
- 1...Rh1
- 2.Qd2#
- 1...d3
- 2.Sa4#
- 2.Sd5#
- 2.Rc4#
- 2.Qg7#
- 1...Rd3!
- 1...Kd3
- 1.Rf4?
- 1...Kd3
- 2.Qf3#
- 1...Rc2
- 2.Qxc2#
- 1...Rd2
- 2.Qxd2#
- 1...Ra1
- 2.Qc2#
- 1...Rb1
- 2.Qc2#
- 1...Re1
- 2.Qd2#
- 1...Rf1
- 2.Qd2#
- 1...Rg1
- 2.Qd2#
- 1...Rh1
- 2.Qd2#
- 1...d3
- 2.Sa4#
- 2.Sd5#
- 2.Rc4#
- 2.Qg7#
- 1...Rd3!
- 1...Kd3
- 1.Rxh4?
- 1...Kd3
- 2.Qf3#
- 2.Qg3#
- 1...Rc2
- 2.Qxc2#
- 1...Rd2
- 2.Qxd2#
- 1...Ra1
- 2.Qc2#
- 1...Rb1
- 2.Qc2#
- 1...Re1
- 2.Qd2#
- 1...Rf1
- 2.Qd2#
- 1...Rg1
- 2.Qd2#
- 1...Rh1
- 2.Qd2#
- 1...d3
- 2.Sa4#
- 2.Sd5#
- 2.Rc4#
- 2.Qg7#
- 1...Rd3!
- 1...Kd3
- 1.Rg5?
- 1...Kd3
- 2.Qf3#
- 1...Rc2
- 2.Qxc2#
- 1...Rd2
- 2.Qxd2#
- 1...Rd3
- 2.Rc5#
- 1...Ra1
- 2.Qc2#
- 1...Rb1
- 2.Qc2#
- 1...Re1
- 2.Qd2#
- 1...Rf1
- 2.Qd2#
- 1...Rg1
- 2.Qd2#
- 1...Rh1
- 2.Qd2#
- 1...d3!
- 1...Kd3
- 1.Rg6?
- 1...Kd3
- 2.Qf3#
- 1...Rc2
- 2.Qxc2#
- 1...Rd2
- 2.Qxd2#
- 1...Rd3
- 2.Rc6#
- 1...Ra1
- 2.Qc2#
- 1...Rb1
- 2.Qc2#
- 1...Re1
- 2.Qd2#
- 1...Rf1
- 2.Qd2#
- 1...Rg1
- 2.Qd2#
- 1...Rh1
- 2.Qd2#
- 1...d3!
- 1...Kd3
- 1.Rg7?
- 1...Kd3
- 2.Qf3#
- 1...Rc2
- 2.Qxc2#
- 1...Rd2
- 2.Qxd2#
- 1...Rd3
- 2.Rc7#
- 1...Ra1
- 2.Qc2#
- 1...Rb1
- 2.Qc2#
- 1...Re1
- 2.Qd2#
- 1...Rf1
- 2.Qd2#
- 1...Rg1
- 2.Qd2#
- 1...Rh1
- 2.Qd2#
- 1...d3!
- 1...Kd3
- 1.Qc6+?
- 1...Kd3
- 2.Qf3#
- 1...Kxb2!
- 1...Kd3
- 1.Qe2?
- threat
- 2.Sa4#
- 2.Sd5#
- 1...Rc2
- 2.Sa4#
- 2.Qxc2#
- 1...Rd2
- 2.Sa4#
- 2.Qxd2#
- 1...Ra1
- 2.Sd5#
- 2.Qc2#
- 1...Rd3!
- threat
- 1.Qf2?
- 1...Kd3
- 2.Qxd4#
- 2.Qf3#
- 1...Rc2
- 2.Qxc2#
- 1...Rd2
- 2.Qxd2#
- 1...Ra1
- 2.Qc2#
- 1...Rb1
- 2.Qc2#
- 1...Re1
- 2.Qxd4#
- 2.Qd2#
- 1...Rf1
- 2.Qxd4#
- 2.Qd2#
- 1...Rg1
- 2.Qxd4#
- 2.Qd2#
- 1...Rh1
- 2.Qxd4#
- 2.Qd2#
- 1...d3
- 2.Sa4#
- 2.Sd5#
- 2.Rc4#
- 2.Qd4#
- 2.Qf6#
- 1...Rd3!
- 1...Kd3
- 1.Kg7?
- Keys
- 1.Rg8!
- 1...Kd3
- 2.Qf3#
- 1...Rc2
- 2.Qxc2#
- 1...Rd2
- 2.Qxd2#
- 1...Rd3
- 2.Rc8#
- 1...Ra1
- 2.Qc2#
- 1...Rb1
- 2.Qc2#
- 1...Re1
- 2.Qd2#
- 1...Rf1
- 2.Qd2#
- 1...Rg1
- 2.Qd2#
- 1...Rh1
- 2.Qd2#
- 1...d3
- 2.Qg7#
- 1...Kd3
- 1.Rg8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(c);P-FLIGHT::QAR2(B)
- R(a);N_GUARD::QAR1(B)
- R(a);N_GUARD::QAR1(B),XR(a)
- R(b);N_GUARD::QAB1(B)
- R(b);N_GUARD::QAB1(B),XR(b)
- Tries
- Try
- K(F);S_FLIGHT
- Vars
- K(c);P-FLIGHT::QAR2(B)
- R(a);N_GUARD::QAR1(B),XR(a)
- R(b);N_GUARD::QAB1(B),XR(b)
- R(a);N_GUARD::QAR1(B)
- R(b);N_GUARD::QAB1(B)
- Refutation
- R(b);
- Try
- K(F);P-FLIGHT
- Vars
- K(c);P-FLIGHT::QAR2(B)
- R(a);N_GUARD::QAR1(B),XR(a)
- R(b);N_GUARD::QAB1(B),XR(b)
- R(a);N_GUARD::QAR1(B)
- R(b);N_GUARD::QAB1(B)
- Refutation
- R(b);
- Try
- K(F);P-FLIGHT
- Vars
- K(c);P-FLIGHT::QAR2(B)
- R(a);N_GUARD::QAR1(B),XR(a)
- R(b);N_GUARD::QAB1(B),XR(b)
- R(a);N_GUARD::QAR1(B)
- R(b);N_GUARD::QAB1(B)
- Refutation
- R(b);
- Try
- S(E);CHECK
- Vars
- K(c);P-FLIGHT::QAB1(B)
- Refutation
- K(c);P-FLIGHT,P_SPINP(d)
- Try
- S(E);CHECK
- Vars
- K(c);P-FLIGHT::QAB1(B)
- Refutation
- K(c);P-FLIGHT,P_SPINP(d)
- Try
- R(D);
- Vars
- K(c);P-FLIGHT::QAR2(B)
- R(a);N_GUARD::QAR1(B),XR(a)
- R(b);N_GUARD::QAB1(B),XR(b)
- R(a);N_GUARD::QAR1(B)
- R(b);N_GUARD::QAB1(B)
- Refutation
- R(b);
- Try
- R(D);
- Vars
- K(c);P-FLIGHT::QAR2(B)
- R(a);N_GUARD::QAR1(B),XR(a)
- R(b);N_GUARD::QAB1(B),XR(b)
- R(a);N_GUARD::QAR1(B)
- R(b);N_GUARD::QAB1(B)
- Refutation
- R(b);
- Try
- R(D);XP(e)
- Vars
- R(a);N_GUARD::QAR1(B),XR(a)
- R(b);N_GUARD::QAB1(B),XR(b)
- R(a);N_GUARD::QAR1(B)
- R(b);N_GUARD::QAB1(B)
- Refutation
- R(b);
- Try
- R(D);
- Vars
- K(c);P-FLIGHT::QAR2(B)
- R(a);N_GUARD::QAR1(B),XR(a)
- R(b);N_GUARD::QAB1(B),XR(b)
- R(b);SBLOCK::R(D)
- R(a);N_GUARD::QAR1(B)
- R(b);N_GUARD::QAB1(B)
- Refutation
- P(d);
- Try
- R(D);
- Vars
- K(c);P-FLIGHT::QAR2(B)
- R(a);N_GUARD::QAR1(B),XR(a)
- R(b);N_GUARD::QAB1(B),XR(b)
- R(b);SBLOCK::R(D)
- R(a);N_GUARD::QAR1(B)
- R(b);N_GUARD::QAB1(B)
- Refutation
- P(d);
- Try
- R(D);
- Vars
- K(c);P-FLIGHT::QAR2(B)
- R(a);N_GUARD::QAR1(B),XR(a)
- R(b);N_GUARD::QAB1(B),XR(b)
- R(b);SBLOCK::R(D)
- R(a);N_GUARD::QAR1(B)
- R(b);N_GUARD::QAB1(B)
- Refutation
- P(d);
- Try
- Q(B);CHECK
- Vars
- K(c);P-FLIGHT::QAR2(B)
- Refutation
- K(c);S_FLIGHT,XR(A)
- Try
- Q(B);
- Threat
- DUALS(2)
- Refutation
- R(b);
- Try
- Q(B);
- Vars
- R(a);N_GUARD::QAR1(B),XR(a)
- R(b);N_GUARD::QAB1(B),XR(b)
- R(a);N_GUARD::QAR1(B)
- Refutation
- R(b);
- Try
- Actual
- R(D);
- Vars
- K(c);P-FLIGHT::QAR2(B)
- R(a);N_GUARD::QAR1(B),XR(a)
- R(b);N_GUARD::QAB1(B),XR(b)
- R(b);SBLOCK::R(D)
- R(a);N_GUARD::QAR1(B)
- R(b);N_GUARD::QAB1(B)
- P(d);OGATEB,SBLOCK::QAB(B)
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).