MESON Chess Problem Database
Problem Display
PID: 86826 (n1B1R1K1/3N2P1/1p2Np2/5k1P/3R2pP/3n4/1br4B/1Q1b4 w - - 0 1)
Slesarenko, Anatoly Vasilevich
Spisska Borovicka 17. TT, 2005
#2
11 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Rf4#
- 2.Qxd3#
- 1...Rd2
- 2.Rf4#
- 1...Re2
- 2.Rf4#
- 1...Rf2
- 2.Qxd3#
- 1...Rg2
- 2.Rf4#
- 2.Qxd3#
- 1...Rxh2
- 2.Rf4#
- 2.Qxd3#
- 1...Rc3
- 2.Rf4#
- 1...Rc4
- 2.Qxd3#
- 1...Rc5
- 2.Rf4#
- 2.Qxd3#
- 1...Rc6
- 2.Rf4#
- 2.Qxd3#
- 1...Rc7
- 2.Rf4#
- 2.Qxd3#
- 1...Rxc8
- 2.Rf4#
- 2.Qxd3#
- 1...Bxd4
- 2.Sxd4#
- 1...Sc1
- 2.Rf4#
- 1...Se1
- 2.Rf4#
- 1...Sf2
- 2.Rf4#
- 1...Sb4
- 2.Rf4#
- 1...Sf4
- 2.Rxf4#
- 1...Sc5
- 2.Rf4#
- 1...Se5
- 2.Rf4#
- 1...Rc1
- Tries
- 1.Sf4?
- threat
- 2.Sc5#
- 1...Rxc8
- 2.Qxd3#
- 1...Sxf4
- 2.Rxf4#
- 1...Re2
- 2.Se5#
- 1...Rc5
- 2.Sxc5#
- 2.Qxd3#
- 1...Rc6
- 2.Qxd3#
- 1...Rc7
- 2.Qxd3#
- 1...Sc5
- 2.Sxc5#
- 1...Se5
- 2.Sxe5#
- 1...Sc7!
- threat
- 1.Sec5?
- threat
- 2.Se5#
- 2.Sxb6#
- 2.Sb8#
- 2.Sf8#
- 1...Rxc5
- 2.Sxc5#
- 2.Rf4#
- 2.Qxd3#
- 1...Sxc5
- 2.Sxc5#
- 2.Rf4#
- 1...bxc5
- 2.Sxc5#
- 2.Se5#
- 2.Sb6#
- 2.Sb8#
- 2.Sf8#
- 1...Re2
- 2.Se5#
- 2.Rf4#
- 1...Sf4
- 2.Rxf4#
- 1...Se5
- 2.Sxe5#
- 2.Rf4#
- 1...b5
- 2.Se5#
- 2.Sb6#
- 2.Sb8#
- 2.Sf8#
- 1...Sc7!
- threat
- 1.Sc7?
- threat
- 2.Sc5#
- 2.Se5#
- 2.Sxb6#
- 2.Sb8#
- 2.Sf8#
- 1...Rxc7
- 2.Rf4#
- 2.Qxd3#
- 1...Bxd4
- 2.Sc5#
- 2.Sxb6#
- 2.Sb8#
- 2.Sf8#
- 1...Re2
- 2.Se5#
- 2.Rf4#
- 1...Rc5
- 2.Sxc5#
- 2.Se5#
- 2.Sxb6#
- 2.Sb8#
- 2.Sf8#
- 2.Rf4#
- 2.Qxd3#
- 1...Rc6
- 2.Rf4#
- 2.Qxd3#
- 1...Sf4
- 2.Rxf4#
- 1...Sc5
- 2.Sxc5#
- 2.Rf4#
- 1...Se5
- 2.Sxe5#
- 2.Rf4#
- 1...b5
- 2.Sc5#
- 2.Se5#
- 2.Sb6#
- 2.Sb8#
- 2.Sf8#
- 1...Sxc7!
- threat
- 1.Sd8?
- threat
- 2.Sc5#
- 1...Rxc8
- 2.Rf4#
- 2.Qxd3#
- 1...Re2
- 2.Se5#
- 2.Rf4#
- 1...Rc5
- 2.Sxc5#
- 2.Rf4#
- 2.Qxd3#
- 1...Rc6
- 2.Rf4#
- 2.Qxd3#
- 1...Rc7
- 2.Rf4#
- 2.Qxd3#
- 1...Sf4
- 2.Rxf4#
- 1...Sc5
- 2.Sxc5#
- 2.Rf4#
- 1...Se5
- 2.Sxe5#
- 2.Rf4#
- 1...Sc7!
- threat
- 1.Sef8?
- threat
- 2.Sc5#
- 1...Rxc8
- 2.Rf4#
- 2.Qxd3#
- 1...Re2
- 2.Se5#
- 2.Rf4#
- 1...Rc5
- 2.Sxc5#
- 2.Rf4#
- 2.Qxd3#
- 1...Rc6
- 2.Rf4#
- 2.Qxd3#
- 1...Rc7
- 2.Rf4#
- 2.Qxd3#
- 1...Sf4
- 2.Rxf4#
- 1...Sc5
- 2.Sxc5#
- 2.Rf4#
- 1...Se5
- 2.Sxe5#
- 2.Rf4#
- 1...Sc7!
- threat
- 1.Sdc5?
- threat
- 2.Sf4#
- 2.Sg5#
- 2.Sc7#
- 2.Sd8#
- 2.Sf8#
- 1...Rxc5
- 2.Sxc5#
- 2.Sc7#
- 2.Qxd3#
- 1...Sxc5
- 2.Sxc5#
- 1...Sf4
- 2.Sxf4#
- 1...Sc7
- 2.Sxc7#
- 1...Se5
- 2.Rf4#
- 1...Re2!
- threat
- 1.Sb8?
- threat
- 2.Sc5#
- 2.Sc7#
- 1...Rxc8
- 2.Qxd3#
- 1...Sf4
- 2.Sxf4#
- 1...Sc7
- 2.Sxc7#
- 1...Rc5
- 2.Sxc5#
- 2.Sc7#
- 2.Qxd3#
- 1...Rc6
- 2.Qxd3#
- 1...Rc7
- 2.Sxc7#
- 2.Qxd3#
- 1...Sc5
- 2.Sxc5#
- 1...Se5
- 2.Rf4#
- 1...Re2!
- threat
- 1.Sdf8?
- threat
- 2.Sc5#
- 2.Sc7#
- 1...Rxc8
- 2.Qxd3#
- 1...Sf4
- 2.Sxf4#
- 1...Sc7
- 2.Sxc7#
- 1...Rc5
- 2.Sxc5#
- 2.Sc7#
- 2.Qxd3#
- 1...Rc6
- 2.Qxd3#
- 1...Rc7
- 2.Sxc7#
- 2.Qxd3#
- 1...Sc5
- 2.Sxc5#
- 1...Se5
- 2.Rf4#
- 1...Re2!
- threat
- 1.Qxc2?
- threat
- 2.Rf4#
- 2.Qxd3#
- 1...Bxd4
- 2.Sxd4#
- 2.Qxd3#
- 1...Be2
- 2.Rf4#
- 1...Bf3
- 2.Rf4#
- 1...Bc1
- 2.Qxd3#
- 1...Bxc2!
- threat
- 1.Qxd1?
- threat
- 2.Qxg4#
- 2.Qxd3#
- 1...Bxd4
- 2.Sxd4#
- 2.Qxd3#
- 1...Rd2
- 2.Qxg4#
- 1...Rg2
- 2.Qxd3#
- 1...Rc3
- 2.Qxg4#
- 1...Sc1
- 2.Rf4#
- 2.Qxg4#
- 1...Se1
- 2.Rf4#
- 2.Qxg4#
- 1...Sf2
- 2.Rf4#
- 1...Sb4
- 2.Rf4#
- 2.Qxg4#
- 1...Sf4
- 2.Rxf4#
- 1...Sc5
- 2.Rf4#
- 2.Qxg4#
- 1...Se5
- 2.Rf4#
- 1...g3
- 2.Qg4#
- 2.Qxd3#
- 1...Re2!
- threat
- 1.Sf4?
- Keys
- 1.Se5!
- threat
- 2.Sc5#
- 2.Sc7#
- 1...Rxc8
- 2.Qxd3#
- 1...Bxd4
- 2.Sc5#
- 1...Sxe5
- 2.Rf4#
- 1...fxe5
- 2.Rf8#
- 1...Sf4
- 2.Sxf4#
- 1...Sc7
- 2.Sxc7#
- 1...Rc5
- 2.Sxc5#
- 2.Sc7#
- 2.Qxd3#
- 1...Rc6
- 2.Qxd3#
- 1...Rc7
- 2.Sxc7#
- 2.Qxd3#
- 1...Sc5
- 2.Sxc5#
- threat
- 1.Se5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 4
- REMOVED MATES = 9
- Sets
- R(c);P_SPINS(d)::R1(C)
- R(c);OGATE,P_SPINS(d)::QAB(A),XS(d)
- B(b);XR(C)::S(F),XB(b)
- S(d);N_GUARD,P_SPINR(c)::R1(C)
- S(d);N_GUARD,P_SPINR(c)::R1(C),XS(d)
- Tries
- Try
- S(F);
- Threat
- B(I)+S(G)
- Vars
- R(c);OGATE,P_PINR(J),P_SPINS(d),XB(I)::QAB(A),XS(d)
- S(d);OGATE,P_SPINR(c),XS(F)::R1(C),XS(d)
- R(c);N_GUARD,P_SPINS(d)::B(I)+S(G)
- R(c);OGATE,P_SPINS(d)::QAB(A),XS(d)
- S(d);P_SPINR(c)::B(I)+S(G),XS(d)
- Refutation
- S(i);
- Try
- S(F);
- Threat
- DUALS(4)
- Vars
- S(d);N_GUARD,P_SPINR(c)::R1(C),XS(d)
- Refutation
- S(i);
- Try
- S(F);
- Threat
- DUALS(5)
- Vars
- S(d);N_GUARD,P_SPINR(c)::R1(C),XS(d)
- Refutation
- S(i);XS(F)
- Try
- S(F);
- Threat
- B(I)+S(G)
- Vars
- S(d);N_GUARD,P_SPINR(c)::R1(C),XS(d)
- Refutation
- S(i);
- Try
- S(F);
- Threat
- B(I)+S(G)
- Vars
- S(d);N_GUARD,P_SPINR(c)::R1(C),XS(d)
- Refutation
- S(i);
- Try
- S(G);
- Threat
- DUALS(5)
- Vars
- S(d);P_SPINR(c),XS(G)::B(I)+S(F),XS(d)
- S(d);P_SPINR(c)::B(I)+S(F),XS(d)
- S(i);::B(I)+S(F),XS(i)
- S(d);N_GUARD,P_SPINR(c),SBLOCK::R1(C)
- Refutation
- R(c);P_SPINS(d)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(c);OGATE,P_PINR(J),P_SPINS(d),XB(I)::QAB(A),XS(d)
- S(d);P_SPINR(c)::B(I)+S(F),XS(d)
- S(i);::B(I)+S(F),XS(i)
- R(c);OGATE,P_SPINS(d)::QAB(A),XS(d)
- S(d);N_GUARD,P_SPINR(c),SBLOCK::R1(C)
- Refutation
- R(c);P_SPINS(d)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(c);OGATE,P_SPINS(d),XB(I)::QAB(A),XS(d)
- S(d);P_SPINR(c)::B(I)+S(F),XS(d)
- S(i);::B(I)+S(F),XS(i)
- R(c);OGATE,P_SPINS(d)::QAB(A),XS(d)
- S(d);N_GUARD,P_SPINR(c),SBLOCK::R1(C)
- Refutation
- R(c);P_SPINS(d)
- Try
- Q(A);P_PINS(d),XR(c)
- Threat
- DUALS(2)
- Vars
- B(a);::R1(C)
- B(b);::QAB(A),XS(d)
- Refutation
- B(a);N_SPINS(d),XQ(A)
- Try
- Q(A);XB(a)
- Threat
- DUALS(2)
- Vars
- R(c);::QAB1(A),XP(e)
- R(c);::QAB(A),XS(d)
- S(d);N_GUARD::R1(C)
- S(d);N_GUARD::R1(C),XS(d)
- Refutation
- R(c);
- Try
- Actual
- S(G);
- Threat
- DUALS(2)
- Vars
- R(c);OGATE,P_PINR(J),P_SPINS(d),XB(I)::QAB(A),XS(d)
- B(b);XR(C)::B(I)+S(F)
- S(d);N_GUARD,P_SPINR(c),SBLOCK,XS(G)::R1(C)
- P(h);OGATEB,XS(G)::R(J)
- S(d);P_SPINR(c)::B(I)+S(F),XS(d)
- S(i);::B(I)+S(F),XS(i)
- R(c);OGATE,P_SPINS(d)::QAB(A),XS(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).