MESON Chess Problem Database
Problem Display
PID: 96263 (3R3N/8/2B1r3/2n2pn1/4Pk1B/K1Qb2RP/3Pr3/4N3 w - - 0 1)
Armeni, Alberto
Problemesis, 2005
#2
11 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rg2
- 2.Sxg2#
- 1...Re3
- 2.Sg2#
- 2.dxe3#
- 1...R2xe4
- 2.Sg2#
- 1...R6xe4
- 2.Sg6#
- 1...Re5
- 2.Sg6#
- 1...Rg6
- 2.Sxg6#
- 1...Re7
- 2.Sg6#
- 1...Re8
- 2.Sg6#
- 1...Bb1
- 2.Bxg5#
- 1...Bc2
- 2.Bxg5#
- 1...Bc4
- 2.Bxg5#
- 1...Bxe4
- 2.Bxg5#
- 1...Bb5
- 2.Bxg5#
- 1...Ba6
- 2.Bxg5#
- 1...Sb3
- 2.Sxd3#
- 1...Sa4
- 2.Sxd3#
- 1...Scxe4
- 2.Sxd3#
- 1...Sa6
- 2.Sxd3#
- 1...Sb7
- 2.Sxd3#
- 1...Sd7
- 2.Sxd3#
- 1...Sf3
- 2.Rxf3#
- 1...Sgxe4
- 2.Rf3#
- 1...Sf7
- 2.Rf3#
- 1...Sh7
- 2.Rf3#
- 1...Rg2
- Tries
- 1.Rf8?
- threat
- 2.Rg4#
- 2.Rxf5#
- 1...Rxe1
- 2.Rxf5#
- 1...Rxd2
- 2.Rxf5#
- 1...R2xe4
- 2.Sg2#
- 2.Rg4#
- 1...R6xe4
- 2.Sg6#
- 2.Rg4#
- 1...Rxc6
- 2.Rg4#
- 1...Bxe4
- 2.Bxg5#
- 2.Rg4#
- 1...Scxe4
- 2.Sxd3#
- 2.Rg4#
- 1...Sxh3
- 2.Rxf5#
- 1...Sgxe4
- 2.Rf3#
- 2.Rg4#
- 1...Rg2
- 2.Sxg2#
- 2.Rxf5#
- 1...Re5
- 2.Sg6#
- 2.Rg4#
- 1...Sf7
- 2.Rf3#
- 1...Rf6!
- threat
- 1.Qe5+?
- 1...Rxe5
- 2.Sg6#
- 1...Kxe5!
- 1...Rxe5
- 1.Qf6?
- threat
- 2.Sg6#
- 2.Rg4#
- 2.Qxf5#
- 1...Rxe1
- 2.Sg6#
- 2.Qxf5#
- 1...Rxd2
- 2.Sg6#
- 2.Qxf5#
- 1...R2xe4
- 2.Sg2#
- 2.Sg6#
- 2.Rg4#
- 1...R6xe4
- 2.Sg6#
- 2.Rg4#
- 1...Rxc6
- 2.Rg4#
- 2.Qxf5#
- 1...Bxe4
- 2.Sg6#
- 2.Rg4#
- 1...Scxe4
- 2.Sxd3#
- 2.Sg6#
- 2.Rg4#
- 1...Sxh3
- 2.Sg6#
- 2.Qxf5#
- 1...Sgxe4
- 2.Sg6#
- 2.Rf3#
- 2.Rg4#
- 1...Rg2
- 2.Sxg2#
- 2.Sg6#
- 2.Qxf5#
- 1...Re5
- 2.Sg6#
- 2.Rg4#
- 2.Qxg5#
- 1...Rxf6!
- threat
- 1.Qxc5?
- threat
- 2.Sxd3#
- 2.Qxf5#
- 1...Rxe1
- 2.Qxf5#
- 1...Rxd2
- 2.Qxf5#
- 1...R2xe4
- 2.Sg2#
- 2.Sxd3#
- 1...R6xe4
- 2.Sxd3#
- 2.Sg6#
- 1...Rxc6
- 2.Qxf5#
- 1...Sxe4
- 2.Sxd3#
- 2.Rf3#
- 1...fxe4
- 2.Rg4#
- 2.Qxg5#
- 1...Re3
- 2.Sg2#
- 2.Qxf5#
- 2.dxe3#
- 1...Re5
- 2.Sxd3#
- 2.Sg6#
- 1...Rd6
- 2.Qxd6#
- 2.Qxf5#
- 1...Rf6
- 2.Sxd3#
- 1...Bb1
- 2.Qxf5#
- 1...Bc2
- 2.Qxf5#
- 1...Bc4
- 2.Qxf5#
- 1...Bb5
- 2.Qxf5#
- 1...Ba6
- 2.Qxf5#
- 1...Bxe4!
- threat
- 1.Rf8?
- Keys
- 1.Rd5!
- threat
- 2.Rxf5#
- 1...Kxe4
- 2.Qd4#
- 1...R2xe4
- 2.Sg2#
- 1...R6xe4
- 2.Sg6#
- 1...Rxc6
- 2.Qe5#
- 1...Bxe4
- 2.Bxg5#
- 1...Scxe4
- 2.Sxd3#
- 1...Sgxe4
- 2.Rf3#
- 1...fxe4
- 2.Rg4#
- 1...Re5
- 2.Qxe5#
- 1...Rf6
- 2.Qe5#
- threat
- 1.Rd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 17
- Sets
- R(a);N_GUARD::S(A),XR(a)
- R(a);N_GUARD,XP(G)::S(A)
- R(g);N_GUARD,XP(G)::S(K)
- R(g);N_GUARD::S(K)
- R(g);N_GUARD::S(K),XR(g)
- B(b);::B(H),XS(f)
- B(b);XP(G)::B(H),XS(f)
- S(d);N_GUARD::S(A),XB(b)
- S(d);N_GUARD,XP(G)::S(A),XB(b)
- S(f);N_GUARD::R1(E),XS(f)
- S(f);N_GUARD,XP(G)::R1(E)
- S(f);N_GUARD::R1(E)
- Tries
- Try
- R(J);P_PINP(e)
- Threat
- DUALS(2)
- Vars
- R(a);XS(A)::R1(J),XP(e)
- R(a);XP(B)::R1(J),XP(e)
- R(g);XB(I)::R1(E)
- S(f);XP(F)::R1(J),XP(e)
- S(f);N_GUARD,N_SPINP(e)::R1(E)
- Refutation
- R(g);N_SPINP(e)
- Try
- Q(D);CHECK
- Vars
- R(g);XQ(D)::S(K)
- Refutation
- K(c);S_FLIGHT,XQ(D)
- Try
- Q(D);P_PINP(e)
- Threat
- DUALS(3)
- Refutation
- R(g);N_SPINP(e),XQ(D)
- Try
- Q(D);XS(d)
- Threat
- DUALS(2)
- Vars
- R(a);XS(A)::QAR1(D),XP(e)
- R(a);XP(B)::QAR1(D),XP(e)
- R(g);XB(I)::QAR1(D),XP(e)
- R(g);::S(A),XB(b)
- B(b);::QAR1(D),XP(e)
- Refutation
- B(b);XP(G)
- Try
- Actual
- R(J);
- Threat
- R1(J),XP(e)
- Vars
- K(c);OGATEB,P-FLIGHT,XP(G)::QAR1(D)
- R(a);N_GUARD,SBLOCK,XP(G)::S(A)
- R(g);N_GUARD,SBLOCK,XP(G)::S(K)
- R(g);N_GUARD,XB(I)::QAB1(D)
- B(b);SBLOCK,XP(G)::B(H),XS(f)
- S(d);N_GUARD,SBLOCK,XP(G)::S(A),XB(b)
- S(f);N_GUARD,SBLOCK,XP(G)::R1(E)
- P(e);N_GUARD,SBLOCK,XP(G)::R1(E)
- R(g);N_GUARD::QAB1(D),XR(g)
- R(g);N_GUARD::QAB1(D)
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).