MESON Chess Problem Database
Problem Display
PID: 247324 (2NN4/3p3R/KP1B1p2/3k2P1/Rb4Q1/6p1/4p3/2nrq1n1 w - - 0 1)
Pilchenko, Viacheslav Karlovich
4th Prize, Uralski Problemist, 2006
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Bd2
- 2.Rd4#
- 2.Qf5#
- 2.Qc4#
- 2.Qd4#
- 2.Qe4#
- 1...Ba3
- 2.Qf5#
- 2.Qc4#
- 2.Qe4#
- 1...Bc3
- 2.Qc4#
- 2.Qe4#
- 1...Ba5
- 2.Qf5#
- 2.Qc4#
- 2.Qe4#
- 1...Bc5
- 2.Qf5#
- 2.Qc4#
- 2.Qe4#
- 1...Bd2
- Tries
- 1.Kb5?
- threat
- 2.Qc4#
- 1...Bxd6
- 2.Qe4#
- 1...Rd4
- 2.Qf5#
- 1...Qc3!
- threat
- 1.Rxb4?
- threat
- 2.Rb5#
- 2.Qf5#
- 2.Qc4#
- 2.Qe4#
- 1...Qf2
- 2.Qc4#
- 2.Qe4#
- 1...Qc3
- 2.Qe4#
- 1...Qf1
- 2.Rb5#
- 2.Qc4#
- 2.Qe4#
- 1...Rd4
- 2.Rxd4#
- 2.Qf5#
- 2.Qxd4#
- 1...Sb3
- 2.Qf5#
- 2.Qc4#
- 2.Qe4#
- 1...Sd3
- 2.Rd4#
- 2.Qc4#
- 2.Qd4#
- 2.Qe4#
- 1...Sf3
- 2.Rb5#
- 2.Qxf3#
- 2.Qc4#
- 2.Qe4#
- 1...f5
- 2.Rb5#
- 2.Qxf5#
- 2.Qc4#
- 1...Qxb4!
- threat
- 1.Ra5+?
- 1...Bc5
- 2.Rxc5#
- 1...Bxa5!
- 1...Bc5
- 1.Rh4?
- threat
- 2.Qf5#
- 2.Qc4#
- 2.Qe4#
- 1...Rd4
- 2.Qxd4#
- 1...Qf2
- 2.Qc4#
- 2.Qe4#
- 1...Qc3
- 2.Qe4#
- 1...Qf1
- 2.Qc4#
- 2.Qe4#
- 1...Bc3
- 2.Qc4#
- 2.Qe4#
- 1...Sd3
- 2.Qc4#
- 2.Qd4#
- 2.Qe4#
- 1...Sf3
- 2.Qxf3#
- 2.Qc4#
- 2.Qe4#
- 1...f5
- 2.Qxf5#
- 2.Qc4#
- 1...Bxd6!
- threat
- 1.Re7?
- threat
- 2.Qe4#
- 1...Bxd6
- 2.Qc4#
- 1...f5
- 2.Re5#
- 1...Rd4!
- threat
- 1.Qxb4?
- threat
- 2.Se7#
- 2.Ra5#
- 2.Qc5#
- 2.Qc4#
- 2.Qe4#
- 2.Qb5#
- 1...Rd4
- 2.Qxd4#
- 1...Qf2
- 2.Se7#
- 2.Qc4#
- 2.Qe4#
- 1...Qc3
- 2.Se7#
- 2.Qe4#
- 1...Sb3
- 2.Se7#
- 2.Qxb3#
- 2.Qc4#
- 2.Qe4#
- 1...Sd3
- 2.Se7#
- 2.Qb3#
- 2.Qc4#
- 2.Qd4#
- 2.Qe4#
- 1...f5
- 2.Se7#
- 2.Ra5#
- 2.Qc5#
- 2.Qc4#
- 2.Qb5#
- 1...Qxb4!
- threat
- 1.Qf4?
- threat
- 2.Se7#
- 1...Bxd6
- 2.Qxd6#
- 1...Rd4!
- threat
- 1.Kb5?
- Keys
- 1.Rxd7!
- threat
- 2.Se7#
- 1...Bxd6
- 2.Qf5#
- 1...Rd4
- 2.Qe6#
- threat
- 1.Rxd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Tries
- Try
- K(D);S_FLIGHT
- Threat
- QAB1(B)
- Vars
- B(g);XB(F)::QAB1(B)
- R(b);SBLOCK::QAR2(B)
- Refutation
- Q(c);
- Try
- R(A);XB(g)
- Threat
- DUALS(4)
- Vars
- Q(c);::QAB1(B)
- Refutation
- Q(c);XR(A)
- Try
- R(A);CHECK
- Vars
- B(g);N_GUARD,P_SPINB(g)::R1(A),XB(g)
- Refutation
- B(g);XR(A)
- Try
- R(G);
- Threat
- DUALS(3)
- Vars
- R(b);N_GUARD::QAR1(B),XR(b)
- Q(c);::QAB1(B)
- Refutation
- B(g);XB(F)
- Try
- R(G);
- Threat
- QAB1(B)
- Vars
- B(g);XB(F)::QAB1(B)
- P(i);N_GUARD::R1(G)
- Refutation
- R(b);
- Try
- Q(B);XB(g)
- Threat
- DUALS(6)
- Vars
- R(b);N_GUARD::QAR1(B),XR(b)
- Refutation
- Q(c);XQ(B)
- Try
- Q(B);
- Threat
- S(H)
- Vars
- B(g);OGATE,XB(F)::QAR1(B),XB(g)
- Refutation
- R(b);
- Try
- Actual
- R(G);XP(j)
- Threat
- S(H)
- Vars
- B(g);P_SPINB(g),XB(F)::QAR2(B)
- R(b);SBLOCK::QAB1(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).