MESON Chess Problem Database
Problem Display
PID: 16107 (4R3/5n2/3p2Q1/6B1/1K1k1b2/1pp1rBp1/2P2P2/1b4q1 w - - 0 1)
Borodavkin, Sergey
Kucherenko, Nataliya
Pogorelov, Volodimir
2nd Place, Pula 2D TT, 2000
#2
7 + 10
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Qd3#
- 1...Re2
- 2.Qd3#
- 1...Rd3
- 2.Qxd3#
- 2.Qe4#
- 1...Rxf3
- 2.Qe4#
- 1...Re4
- 2.Qxe4#
- 1...Re5
- 2.Qd3#
- 1...Be5
- 2.Bxe3#
- 1...Se5
- 2.Qxd6#
- 1...d5
- 2.Qb6#
- 1...Re1
- Tries
- 1.Rxe3?
- threat
- 2.Qd3#
- 2.Qe4#
- 1...Bxe3
- 2.Qe4#
- 1...Sxg5
- 2.Qd3#
- 1...Qd1
- 2.Qe4#
- 1...Qf1
- 2.Qe4#
- 1...Se5
- 2.Qe4#
- 2.Qxd6#
- 1...d5
- 2.Qd3#
- 2.Qb6#
- 1...Bxc2!
- threat
- 1.Re4+?
- 1...Rxe4
- 2.Qxe4#
- 1...Kd5!
- 1...Rxe4
- 1.Qf5?
- threat
- 2.Qd5#
- 1...Rxf3
- 2.Re4#
- 2.Qe4#
- 1...Re4
- 2.Rxe4#
- 2.Qxe4#
- 1...Re5
- 2.Qd3#
- 1...Be5
- 2.Bxe3#
- 1...d5
- 2.Qxd5#
- 1...Se5!
- threat
- 1.Qxf7?
- threat
- 2.Qc4#
- 2.Qd5#
- 2.Qa7#
- 1...Rxf3
- 2.Qc4#
- 1...Rxe8
- 2.Qd5#
- 1...Bxc2
- 2.Qc4#
- 2.Qd5#
- 1...bxc2
- 2.Qc4#
- 2.Qd5#
- 1...Re7
- 2.Qd5#
- 1...Qf1
- 2.Qd5#
- 2.Qa7#
- 1...Re4
- 2.Rxe4#
- 2.Qc4#
- 1...Re5
- 2.Qc4#
- 1...d5
- 2.Qxd5#
- 2.Qa7#
- 1...Re6!
- threat
- 1.Qe6?
- threat
- 2.Qc4#
- 2.Qd5#
- 1...Rxf3
- 2.Qc4#
- 2.Qe4#
- 1...Se5
- 2.Qd5#
- 2.Qxd6#
- 1...Qf1
- 2.Qd5#
- 1...Re4
- 2.Qc4#
- 2.Qxe4#
- 1...Re5
- 2.Qc4#
- 1...d5
- 2.Qxd5#
- 2.Qb6#
- 1...Rxe6!
- threat
- 1.Qf6+?
- 1...Be5
- 2.Bxe3#
- 1...Se5
- 2.Qxd6#
- 1...Re5!
- 1...Be5
- 1.Qg7+?
- 1...Be5
- 2.Bxe3#
- 1...Se5
- 2.Qa7#
- 1...Re5!
- 1...Be5
- 1.fxe3+?
- 1...Bxe3
- 2.Qd3#
- 2.Qe4#
- 1...Qxe3!
- 1...Bxe3
- 1.Rxe3?
- Keys
- 1.Re5!
- threat
- 2.Rd5#
- 1...Kxe5
- 2.Qf6#
- 1...Rxf3
- 2.Qe4#
- 1...Rxe5
- 2.Qd3#
- 1...Bxe5
- 2.Bxe3#
- 1...Sxe5
- 2.Qxd6#
- 1...dxe5
- 2.Qb6#
- 1...Re4
- 2.Qxe4#
- 1...d5
- 2.Rxd5#
- threat
- 1.Re5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(e);N_GUARD::QAR1(F)
- R(e);N_GUARD,XB(C)::QAR1(F)
- R(e);N_GUARD::QAR1(F),XR(e)
- B(h);OGATE::B(E),XR(e)
- S(j);N_GUARD,S_CUTB(h)::QAR2(F),XP(i)
- P(i);OGATE::QAB(F)
- Tries
- Try
- R(G);XR(e)
- Threat
- DUALS(2)
- Vars
- B(h);XR(G)::QAR1(F)
- S(j);XB(E)::QAR1(F)
- Q(b);::QAR1(F)
- Refutation
- B(a);XP(A)
- Try
- R(G);CHECK
- Vars
- R(e);OGATE,XR(G)::QAR1(F),XR(e)
- Refutation
- K(g);P-FLIGHT
- Try
- Q(F);
- Threat
- QAR1(F)
- Vars
- R(e);N_GUARD::QAR1(F)
- B(h);OGATE::B(E),XR(e)
- P(i);::QAR1(F),XP(i)
- Refutation
- S(j);
- Try
- Q(F);XS(j)
- Threat
- DUALS(3)
- Vars
- R(e);XB(C)::QAR1(F)
- R(e);XR(G)::QAR1(F)
- R(e);::QAR1(F)
- Refutation
- R(e);
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- Q(b);::QAR1(F)
- R(e);::QAR1(F)
- Refutation
- R(e);XQ(F)
- Try
- Q(F);CHECK
- Vars
- B(h);OGATE,P_SPINB(h)::B(E),XR(e)
- S(j);N_GUARD,P_SPINS(j),S_CUTB(h)::QAR2(F),XP(i)
- Refutation
- R(e);P_SPINR(e)
- Try
- Q(F);CHECK
- Vars
- B(h);OGATE,P_SPINB(h)::B(E),XR(e)
- S(j);OGATE,P_SPINS(j)::QAB(F)
- Refutation
- R(e);P_SPINR(e)
- Try
- P(B);CHECK,XR(e)
- Refutation
- Q(b);XP(B)
- Try
- Actual
- R(G);
- Threat
- R1(G)
- Vars
- K(g);OGATEB,S_FLIGHT,XR(G)::QAB1(F)
- R(e);N_GUARD,XB(C)::QAR1(F)
- R(e);N_GUARD,SBLOCK,XR(G)::QAR1(F)
- B(h);OGATE,SBLOCK,XR(G)::B(E),XR(e)
- S(j);N_GUARD,XR(G)::QAR2(F),XP(i)
- P(i);OGATE,SBLOCK,XR(G)::QAB(F)
- R(e);N_GUARD::QAR1(F),XR(e)
- P(i);::R1(G),XP(i)
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).