MESON Chess Problem Database
Problem Display
PID: 198485 (3B1n2/1Q2N1b1/2N5/2p1p3/R7/r2Bkp1K/1Pbp3R/4r3 w - - 0 1)
Tikhi, Sergey T
Stella Polaris, 1966
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Rxd3
- 2.Sf5#
- 1...Bxd3
- 2.Sd5#
- 1...Rxd3
- Tries
- 1.Sd4?
- threat
- 2.Qxf3#
- 2.Qe4#
- 1...Kf4
- 2.Sd5#
- 1...Rxd3
- 2.Sxc2#
- 2.Sdf5#
- 2.Qxf3#
- 1...Rxa4
- 2.Qe4#
- 1...Bxd3
- 2.Qxf3#
- 1...Bxa4
- 2.Qe4#
- 1...cxd4
- 2.Qe4#
- 1...exd4
- 2.Qe4#
- 1...c4
- 2.Qe4#
- 1...d1Q
- 2.Qe4#
- 1...d1B
- 2.Qe4#
- 1...Rf1
- 2.Qe4#
- 1...Bd1
- 2.Qe4#
- 1...f2
- 2.Qf3#
- 2.Qe4#
- 1...e4
- 2.Qxe4#
- 1...Kxd3!
- threat
- 1.Sxe5?
- threat
- 2.Sd5#
- 2.Sf5#
- 2.Re4#
- 2.Qxf3#
- 2.Qe4#
- 1...Rxd3
- 2.Sg4#
- 2.Sf5#
- 2.Re4#
- 2.Qxf3#
- 2.Qe4#
- 1...Bxd3
- 2.Sg4#
- 2.Sd5#
- 2.Qxf3#
- 1...Bxa4
- 2.Qe4#
- 1...Bxe5
- 2.Qe4#
- 1...c4
- 2.Qe4#
- 1...d1Q
- 2.Sd5#
- 2.Sf5#
- 2.Re4#
- 2.Qe4#
- 1...d1B
- 2.Sd5#
- 2.Sf5#
- 2.Re4#
- 2.Qe4#
- 1...Rf1
- 2.Sd5#
- 2.Sf5#
- 2.Re4#
- 2.Qe4#
- 1...Bd1
- 2.Sd5#
- 2.Sf5#
- 2.Re4#
- 2.Qe4#
- 1...Bb3
- 2.Sf5#
- 2.Re4#
- 2.Qxf3#
- 2.Qe4#
- 1...f2
- 2.Sd5#
- 2.Sf5#
- 2.Re4#
- 2.Qf3#
- 2.Qe4#
- 1...Rxa4!
- threat
- 1.Bxc2?
- threat
- 2.Sd5#
- 2.Sf5#
- 2.Re4#
- 1...Rxa4
- 2.Sd5#
- 1...c4
- 2.Sd5#
- 1...e4
- 2.Sd5#
- 2.Rxe4#
- 1...d1Q
- 2.Sf5#
- 2.Re4#
- 1...d1R
- 2.Sf5#
- 2.Re4#
- 1...Rd3
- 2.Sf5#
- 1...f2!
- threat
- 1.Qb4?
- threat
- 2.Qxd2#
- 2.Qe4#
- 1...Kxd3
- 2.Qxd2#
- 1...Rxd3
- 2.Sf5#
- 2.Qe4#
- 1...Rxa4
- 2.Qxd2#
- 1...Bxd3
- 2.Sd5#
- 2.Qxd2#
- 2.Qxc5#
- 1...f2
- 2.Qe4#
- 1...c4
- 2.Qxd2#
- 1...e4
- 2.Qxd2#
- 2.Qxe4#
- 1...d1Q
- 2.Qe4#
- 1...d1S
- 2.Qd2#
- 2.Qe4#
- 1...d1B
- 2.Qd2#
- 2.Qe4#
- 1...d1R
- 2.Qe4#
- 1...Rd1
- 2.Qe4#
- 1...Re2
- 2.Qe4#
- 1...Rc3
- 2.Qe4#
- 1...cxb4!
- threat
- 1.Sd4?
- Keys
- 1.Sb4!
- threat
- 2.Qe4#
- 1...Kd4
- 2.Sf5#
- 1...Kf4
- 2.Sed5#
- 1...Rxd3
- 2.Sxc2#
- 1...Bxd3
- 2.Sbd5#
- 1...e4
- 2.Qxe4#
- threat
- 1.Sb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(d);SBLOCK,XB(C)::S(H)
- B(b);SBLOCK,XB(C)::S(H)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- K(e);S_FLIGHT::S(H)
- R(d);XR(E)::QAR1(G)
- B(b);SBLOCK,XB(C)::QAR1(G),XP(f)
- B(b);XR(E)::QAR1(G)
- P(g);XS(F)::QAR1(G)
- P(h);XS(F)::QAR1(G)
- P(g);::QAR1(G)
- P(c);::QAR1(G)
- R(a);::QAR1(G)
- B(b);::QAR1(G)
- P(h);::QAR1(G),XP(h)
- Refutation
- K(e);P-FLIGHT,XB(C)
- Try
- S(F);XP(h)
- Threat
- DUALS(5)
- Vars
- B(b);XR(E)::QAR1(G)
- B(i);XS(F)::QAR1(G)
- P(g);::QAR1(G)
- Refutation
- R(d);XR(E)
- Try
- B(C);XB(b)
- Threat
- DUALS(3)
- Vars
- R(d);XR(E)::S(H)
- P(g);::S(H)
- R(d);::S(H)
- Refutation
- P(f);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- K(e);P-FLIGHT,XB(C)::QAR1(G),XP(c)
- R(d);XR(E)::QAB1(G),XP(c)
- P(f);::QAR1(G)
- P(g);::QAB1(G),XP(c)
- P(c);::QAR1(G)
- R(a);::QAR1(G)
- R(d);::QAR1(G)
- Refutation
- P(g);XQ(G)
- Try
- Actual
- S(F);
- Threat
- QAR1(G)
- Vars
- K(e);S_FLIGHT::S(H)
- R(d);SBLOCK,XB(C)::S(F),XB(b)
- B(b);SBLOCK,XB(C)::S(F)
- P(h);::QAR1(G),XP(h)
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).