MESON Chess Problem Database
Problem Display
PID: 61321 (6K1/P1Rp2Q1/1p5R/p1Pk1B2/qPnN4/7r/3N3b/1b6 w - - 0 1)
Juricek, Stanislav
Schach-Aktiv, 2005
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Qd1
- 2.a8Q#
- 2.a8B#
- 1...Qc2
- 2.a8Q#
- 2.a8B#
- 1...Qb3
- 2.a8Q#
- 2.a8B#
- 1...Qa1
- 2.a8Q#
- 2.a8B#
- 1...Qa2
- 2.a8Q#
- 2.a8B#
- 1...Qa3
- 2.a8Q#
- 2.a8B#
- 1...Qxb4
- 2.a8Q#
- 2.a8B#
- 1...Rd3
- 2.Be4#
- 1...Ba2
- 2.Be4#
- 1...Be4
- 2.Bxe4#
- 1...Se5
- 2.Rd6#
- 1...bxc5
- 2.Rxc5#
- 1...b5
- 2.a8Q#
- 2.a8B#
- 1...d6
- 2.Be6#
- 1...Qd1
- Tries
- 1.Sb5?
- threat
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Qxb4
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Rxh6
- 2.Sc3#
- 2.Qd4#
- 1...Bxf5
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Bxc7
- 2.Sxc7#
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Sxd2
- 2.Qd4#
- 1...axb4
- 2.Qd4#
- 1...bxc5
- 2.Rxc5#
- 2.a8Q#
- 2.a8B#
- 1...Rg3
- 2.a8Q#
- 2.a8B#
- 1...Qd1
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Qc2
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Qb3
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Qa1
- 2.a8Q#
- 2.a8B#
- 1...Qa2
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Qa3
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Ra3
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Rb3
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Rc3
- 2.Sxc3#
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Rd3
- 2.Be4#
- 2.a8Q#
- 2.a8B#
- 1...Re3
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Rf3
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Rh4
- 2.Sc3#
- 2.a8Q#
- 2.a8B#
- 1...Rh5
- 2.Sc3#
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Ba2
- 2.Be4#
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Bc2
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Bd3
- 2.Sc3#
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Be4
- 2.Bxe4#
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Bg1
- 2.a8Q#
- 2.a8B#
- 1...Bg3
- 2.Sc3#
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Bf4
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Be5
- 2.Qf7#
- 2.a8Q#
- 2.a8B#
- 1...Bd6
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Sb2
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Sa3
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Se3
- 2.Sc3#
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Se5
- 2.Rd6#
- 1...Sd6
- 2.Qd4#
- 1...d6
- 2.Be6#
- 2.Qd4#
- 2.a8Q#
- 2.a8B#
- 1...Qxb5!
- threat
- 1.Sc6?
- threat
- 2.Se7#
- 2.Qd4#
- 2.Qf7#
- 1...Qxb4
- 2.Se7#
- 2.Qd4#
- 1...Rxh6
- 2.Se7#
- 2.Qd4#
- 1...Bxf5
- 2.Se7#
- 2.Qd4#
- 1...Sxd2
- 2.Qd4#
- 2.Qf7#
- 1...axb4
- 2.Se7#
- 2.Qd4#
- 1...bxc5
- 2.Se7#
- 2.Qf7#
- 1...dxc6
- 2.Be6#
- 1...Rg3
- 2.Se7#
- 1...Qa1
- 2.Se7#
- 2.Qf7#
- 1...Rd3
- 2.Se7#
- 2.Be4#
- 2.Qf7#
- 1...Re3
- 2.Qd4#
- 1...Rh4
- 2.Se7#
- 2.Qf7#
- 1...Bg1
- 2.Se7#
- 2.Qf7#
- 1...Be5
- 2.Qf7#
- 1...Bd6
- 2.Qd4#
- 2.Qf7#
- 1...Se5
- 2.Rd6#
- 1...Sd6
- 2.Se7#
- 2.Qd4#
- 1...Qxc6!
- threat
- 1.Rxd7+?
- 1...Bd6
- 2.Be6#
- 1...Sd6
- 2.Be6#
- 1...Qxd7!
- 1...Bd6
- 1.Sb5?
- Keys
- 1.Se2!
- threat
- 2.Qd4#
- 1...bxc5
- 2.Rxc5#
- 1...Qa1
- 2.a8Q#
- 2.a8B#
- 1...Rd3
- 2.Be4#
- 1...Rg3
- 2.Sf4#
- 1...Rh4
- 2.Sc3#
- 1...Bg1
- 2.Sf4#
- 1...Be5
- 2.Qf7#
- 1...Se5
- 2.Rd6#
- threat
- 1.Se2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- Q(d);N_GUARD::P=Q
- Q(d);N_GUARD,XP(B)::P=Q
- R(c);S_CUTB(a)::B(E)
- B(a);N_GUARD::B(E)
- B(a);N_GUARD::B(E),XB(a)
- S(e);N_GUARD,S_CUTB(b)::R1(F)
- P(h);OGATE,XP(D)::R1(H),XP(h)
- P(h);S_CUTQ(d)::P=Q
- P(i);N_GUARD::B(E)
- Tries
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- S(e);XS(A)::QAR1(I)
- P(f);XP(B)::QAR1(I)
- R(c);P_PINQ(I)::P=Q
- Q(d);::P=Q
- B(b);::P=Q
- S(e);N_GUARD,S_CUTB(b)::R1(F)
- S(e);::QAR1(I)
- Refutation
- Q(d);XS(C)
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- P(i);N_GUARD,XS(C)::B(E)
- R(c);P_PINQ(I)::S(C)
- R(c);::QAR1(I)
- B(b);::QAB(I)
- S(e);N_GUARD,S_CUTB(b)::R1(F)
- Refutation
- Q(d);XS(C)
- Try
- R(H);CHECK,XP(i)
- Vars
- B(b);P_SPINB(b)::B(E)
- S(e);P_SPINS(e)::B(E)
- Refutation
- Q(d);XR(H)
- Try
- Actual
- S(C);
- Threat
- QAR1(I)
- Vars
- P(h);OGATE,XP(D)::R1(H),XP(h)
- Q(d);N_GUARD::P=Q
- R(c);S_CUTB(a)::B(E)
- R(c);P_PINQ(I),S_CUTB(b)::S(C)
- R(c);N_GUARD::S(C)
- B(b);N_GUARD::S(C)
- B(b);SBLOCK::QAB(I)
- S(e);N_GUARD,S_CUTB(b)::R1(F)
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).