MESON Chess Problem Database
Problem Display
PID: 198088 (r3n3/1p1BKN1N/1p6/1r1kPp2/5R2/p2PQ3/bb6/1R6 w - - 0 1)
Borisenko, Alexey Ivanovich
Zadachi i Etyudi, 2015
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Rc5
- 2.Qf3#
- 1...Bc4
- 2.dxc4#
- 1...Ba1
- 2.Rxb5#
- 1...Bc1
- 2.Rxb5#
- 2.Qd4#
- 1...Bc3
- 2.Rxb5#
- 1...Bd4
- 2.Qxd4#
- 1...Bxe5
- 2.Rxb5#
- 2.Qxe5#
- 1...Sd6
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...Rc5
- Tries
- 1.Sd8?
- threat
- 2.Be6#
- 1...Bd4
- 2.Qxd4#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...Rxd8!
- threat
- 1.Bxe8?
- threat
- 2.Sf6#
- 1...Bxe5
- 2.Rxb5#
- 2.Qxe5#
- 1...Bd4
- 2.Qxd4#
- 1...Rxe8+!
- threat
- 1.Rc1?
- threat
- 2.Be6#
- 2.Qf3#
- 1...Bxc1
- 2.Qd4#
- 1...Rb4
- 2.Be6#
- 1...Rc5
- 2.Qf3#
- 1...Ra4
- 2.Be6#
- 1...Bc4
- 2.dxc4#
- 1...Sd6
- 2.Sf6#
- 2.Be6#
- 1...Sf6
- 2.Sxf6#
- 2.Be6#
- 1...Sc7
- 2.Sf6#
- 2.Qf3#
- 1...Sg7
- 2.Sf6#
- 2.Qf3#
- 1...Bc3!
- threat
- 1.Rxb2?
- threat
- 2.Rxb5#
- 2.Qd4#
- 1...Rxb2
- 2.Qd4#
- 1...axb2
- 2.Qd4#
- 1...Rb3
- 2.Qd4#
- 1...Rba5
- 2.Qd4#
- 1...Rc5
- 2.Rd4#
- 2.Qd4#
- 2.Qf3#
- 1...Ra4
- 2.Rxb5#
- 1...Raa5
- 2.Qd4#
- 1...Rc8
- 2.Qd4#
- 1...Bb3
- 2.Qd4#
- 1...Bc4
- 2.Qd4#
- 2.dxc4#
- 1...Sd6
- 2.Sf6#
- 2.Qd4#
- 1...Sc7
- 2.Sf6#
- 2.Qd4#
- 1...Rb4!
- threat
- 1.Rc4?
- threat
- 2.Be6#
- 2.Qf3#
- 1...Rc5
- 2.Qf3#
- 1...Sd6
- 2.Sf6#
- 2.Be6#
- 1...Sf6
- 2.Sxf6#
- 2.Be6#
- 1...Sc7
- 2.Sf6#
- 2.Qf3#
- 1...Sg7
- 2.Sf6#
- 2.Qf3#
- 1...Bxc4!
- threat
- 1.Qxb6?
- threat
- 2.Be6#
- 2.Qxb5#
- 1...Rb3
- 2.Be6#
- 1...Rb4
- 2.Be6#
- 1...Rba5
- 2.Be6#
- 1...Rc5
- 2.Be6#
- 2.Qe6#
- 1...Raa5
- 2.Be6#
- 1...Rc8
- 2.Be6#
- 1...Bc4
- 2.Be6#
- 2.dxc4#
- 1...Bd4
- 2.Be6#
- 2.Rxd4#
- 2.Qxd4#
- 1...Sd6
- 2.Sf6#
- 2.Be6#
- 2.Qxd6#
- 1...Sc7
- 2.Sf6#
- 2.Qd6#
- 1...Sg7
- 2.Sf6#
- 2.Qxb5#
- 2.Qd6#
- 1...Rxb6!
- threat
- 1.Sd8?
- Keys
- 1.Qc1!
- threat
- 2.Be6#
- 1...Bxc1
- 2.Rxb5#
- 1...Bc4
- 2.Qxc4#
- 1...Bc3
- 2.Rxb5#
- 1...Rc5
- 2.Qh1#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- threat
- 1.Qc1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- R(d);SBLOCK::QAB(C)
- B(a);OGATE::P(B),XB(a)
- B(b);OGATE::R(A),XR(d)
- B(b);N_GUARD::QAR1(C),XB(b)
- S(j);N_GUARD::S(I)
- S(j);N_GUARD::S(I),XS(j)
- Tries
- Try
- S(H);
- Threat
- B(F)
- Vars
- B(b);N_GUARD::QAR1(C),XB(b)
- S(j);N_GUARD::S(I)
- Refutation
- R(i);XS(H)
- Try
- B(F);XS(j)
- Threat
- S(I)
- Vars
- B(b);N_GUARD::QAR1(C),XB(b)
- Refutation
- R(i);CHECK,XB(F)
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- B(b);N_GUARD,XR(A)::QAR1(C)
- R(d);::B(F)
- R(d);::QAB(C)
- R(i);::B(F)
- B(a);OGATE::P(B),XB(a)
- Refutation
- B(b);
- Try
- R(A);XB(b)
- Threat
- DUALS(2)
- Vars
- R(d);XR(A)::QAR1(C)
- P(c);XR(A)::QAR1(C)
- R(d);::QAR1(C)
- R(i);::R(A),XR(d)
- R(i);::QAR1(C)
- B(a);::QAR1(C)
- Refutation
- R(d);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- R(d);::QAB(C)
- Refutation
- B(a);XR(D)
- Try
- Q(C);XP(g)
- Threat
- DUALS(2)
- Vars
- R(d);::B(F)
- R(i);::B(F)
- Refutation
- R(d);XQ(C)
- Try
- Actual
- Q(C);
- Threat
- B(F)
- Vars
- B(b);OGATE,XQ(C)::R(A),XR(d)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(b);OGATE::R(A),XR(d)
- R(d);SBLOCK::QAB(C)
- S(j);N_GUARD::S(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).