MESON Chess Problem Database
Problem Display
PID: 139079 (8/1p6/8/3p4/pKBkp3/3p3b/4R2Q/N7 w - - 0 1)
Heyl, Peter
Rochade Europa, 2010
#2
5 + 7
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Qh8#
- 1...Bg2
- 2.Qh8#
- 1...Bg4
- 2.Qh8#
- 1...Bf5
- 2.Qh8#
- 1...Be6
- 2.Qh8#
- 1...Bd7
- 2.Qh8#
- 1...Bc8
- 2.Qh8#
- 1...dxe2
- 2.Sc2#
- 1...d2
- 2.Sc2#
- 1...a3
- 2.Sb3#
- 1...e3
- 2.Qf4#
- 1...dxc4
- 2.Qd6#
- 1...Bf1
- Tries
- 1.Bb5?
- 1...dxe2
- 2.Sc2#
- 1...e3
- 2.Qf4#
- 1...Bf1
- 2.Qh8#
- 1...Bg2
- 2.Qh8#
- 1...Bg4
- 2.Qh8#
- 1...Bf5
- 2.Qh8#
- 1...Be6
- 2.Qh8#
- 1...Bd7
- 2.Qh8#
- 1...Bc8
- 2.Qh8#
- 1...d2
- 2.Sc2#
- 1...a3
- 2.Sb3#
- 1...b6!
- 1...dxe2
- 1.Rd2?
- threat
- 2.Sc2#
- 1...Ke3
- 2.Qf2#
- 1...e3
- 2.Qf4#
- 1...dxc4!
- threat
- 1.Qg1+?
- 1...e3
- 2.Qxe3#
- 1...Ke5!
- 1...e3
- 1.Qg3?
- threat
- 2.Qg7#
- 1...dxe2
- 2.Sc2#
- 2.Qc3#
- 1...dxc4
- 2.Qd6#
- 1...e3
- 2.Qf4#
- 2.Qxe3#
- 1...Bg4!
- threat
- 1.Qf4?
- threat
- 2.Qf6#
- 1...dxe2
- 2.Sc2#
- 1...dxc4
- 2.Qd6#
- 2.Qxe4#
- 1...Bf5!
- threat
- 1.Qd6?
- threat
- 2.Qxd5#
- 2.Qf6#
- 1...dxe2
- 2.Sc2#
- 1...e3
- 2.Qf4#
- 2.Qxd5#
- 1...Be6!
- threat
- 1.Qc7?
- threat
- 2.Qg7#
- 1...dxe2
- 2.Sc2#
- 1...dxc4
- 2.Qd6#
- 2.Qc5#
- 1...e3
- 2.Qf4#
- 1...Bd7!
- threat
- 1.Qb8?
- threat
- 2.Qh8#
- 1...dxe2
- 2.Sc2#
- 1...dxc4
- 2.Qd6#
- 1...e3
- 2.Qf4#
- 1...Bc8!
- threat
- 1.Qf2+?
- 1...e3
- 2.Qxe3#
- 2.Qf4#
- 1...Ke5!
- 1...e3
- 1.Bb5?
- Keys
- 1.Re1!
- threat
- 2.Qb2#
- 1...dxc4
- 2.Qd6#
- 1...e3
- 2.Qf4#
- 1...Bg2
- 2.Qh8#
- 1...d2
- 2.Sc2#
- 1...a3
- 2.Sb3#
- threat
- 1.Re1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- B(b);OGATE::QAB(C)
- P(a);N_GUARD,XR(B)::S(A)
- P(a);N_GUARD::S(A)
- P(c);N_GUARD::S(A)
- P(e);OGATEB::QAR2(C)
- P(f);OGATEB,XB(E)::QAR2(C)
- Tries
- Try
- B(E);
- Vars
- P(a);N_GUARD,XR(B)::S(A)
- P(e);OGATEB::QAR2(C)
- B(b);OGATE::QAB(C)
- P(a);N_GUARD::S(A)
- P(c);N_GUARD::S(A)
- Refutation
- P(g);
- Try
- R(B);P_PINP(a)
- Threat
- S(A)
- Vars
- K(d);N_SPINP(a),S_FLIGHT::QAB1(C)
- P(e);OGATEB::QAR2(C)
- Refutation
- P(f);XB(E)
- Try
- Q(C);CHECK
- Vars
- P(e);P_SPINP(e)::QAB1(C),XP(e)
- Refutation
- K(d);P_SPINP(e),S_FLIGHT
- Try
- Q(C);
- Threat
- QAB(C)
- Vars
- P(f);OGATEB,XB(E)::QAR2(C)
- Refutation
- B(b);
- Try
- Q(C);P_PINP(e)
- Threat
- QAB(C)
- Vars
- P(a);N_GUARD,XR(B)::S(A)
- Refutation
- B(b);
- Try
- Q(C);P_PINP(f)
- Threat
- DUALS(2)
- Vars
- P(a);N_GUARD,XR(B)::S(A)
- Refutation
- B(b);
- Try
- Q(C);
- Threat
- QAB(C)
- Vars
- P(a);N_GUARD,XR(B)::S(A)
- P(e);OGATEB::QAR2(C)
- Refutation
- B(b);
- Try
- Q(C);
- Threat
- QAB(C)
- Vars
- P(a);N_GUARD,XR(B)::S(A)
- P(f);OGATEB,XB(E)::QAR2(C)
- P(e);OGATEB::QAR2(C)
- Refutation
- B(b);
- Try
- Q(C);CHECK
- Refutation
- K(d);P_SPINP(e),S_FLIGHT
- Try
- Actual
- R(B);
- Threat
- QAB(C)
- Vars
- P(f);OGATEB,XB(E)::QAR2(C)
- P(e);OGATEB::QAR2(C)
- B(b);OGATE::QAB(C)
- P(a);N_GUARD::S(A)
- P(c);N_GUARD::S(A)
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).