MESON Chess Problem Database
Problem Display
PID: 147886 (3B4/4p3/1PP2R2/1pp1kPPp/1qPN3K/2n2Q2/2n5/7B w - - 0 1)
Robert, Philippe
Die Schwalbe, 2012
#2
11 + 8
SOLUTION
- SOUND
- Sets
- 1...Sxd4
- 2.Bc7#
- 2.Qg3#
- 1...Sb1
- 2.Qe4#
- 1...Sd1
- 2.Qe4#
- 1...Sa2
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Sa4
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sd5
- 2.Qe4#
- 1...cxd4
- 2.Re6#
- 2.Qg3#
- 1...Sxd4
- Tries
- 1.Sxc2?
- threat
- 2.Bc7#
- 2.Re6#
- 2.Qg3#
- 1...exf6
- 2.Bc7#
- 1...e6
- 2.Bc7#
- 2.Rxe6#
- 2.Qg3#
- 1...Se2
- 2.Bc7#
- 2.Re6#
- 2.Qe4#
- 2.Qe3#
- 1...Se4
- 2.Re6#
- 2.Qxe4#
- 1...Sd5
- 2.Re6#
- 2.Qe4#
- 1...Qxc4+!
- threat
- 1.Se2?
- threat
- 2.Bc7#
- 2.Re6#
- 2.Qg3#
- 2.Qf4#
- 1...Sxe2
- 2.Qe4#
- 1...exf6
- 2.Bc7#
- 2.Qf4#
- 1...e6
- 2.Bc7#
- 2.Rxe6#
- 2.Qg3#
- 2.Qf4#
- 1...Sd4
- 2.Bc7#
- 2.Qg3#
- 2.Qf4#
- 1...Se4
- 2.Re6#
- 2.Qxe4#
- 2.Qf4#
- 1...Sd5
- 2.Re6#
- 2.Qe4#
- 2.Qxd5#
- 1...Qxc4+!
- threat
- 1.Se6?
- threat
- 2.Bc7#
- 2.Qg3#
- 2.Qf4#
- 1...Kd6
- 2.Bc7#
- 2.Qg3#
- 2.Qf4#
- 1...exf6
- 2.Bc7#
- 2.Qf4#
- 1...Se2
- 2.Bc7#
- 2.Qd5#
- 1...Se4
- 2.Qf4#
- 1...Sd5
- 2.Qxd5#
- 1...Qxc4+!
- threat
- 1.Rd6?
- threat
- 2.Qg3#
- 1...Kxd6
- 2.Bc7#
- 1...cxd4
- 2.Re6#
- 1...exd6
- 2.Bf6#
- 1...Sd5
- 2.Rxd5#
- 1...Se2
- 2.Rd5#
- 1...Se4
- 2.Rd5#
- 1...Sxd4!
- threat
- 1.Qg4?
- threat
- 2.Sf3#
- 2.Bc7#
- 2.Re6#
- 1...Qxc4
- 2.Bc7#
- 1...Sxd4
- 2.Bc7#
- 2.Qg3#
- 1...bxc4
- 2.Bc7#
- 2.Re6#
- 1...cxd4
- 2.Re6#
- 2.Qg3#
- 1...exf6
- 2.Bc7#
- 1...Se4
- 2.Sf3#
- 2.Qxe4#
- 1...e6
- 2.Bc7#
- 2.Rxe6#
- 1...Se1
- 2.Bc7#
- 2.Re6#
- 1...Sd5
- 2.Sf3#
- 2.Re6#
- 2.Qe4#
- 1...hxg4!
- threat
- 1.Qf2?
- threat
- 2.Bc7#
- 2.Re6#
- 1...Qxc4
- 2.Bc7#
- 1...Sxd4
- 2.Bc7#
- 2.Qg3#
- 2.Qh2#
- 1...cxd4
- 2.Re6#
- 2.Qg3#
- 2.Qh2#
- 1...exf6
- 2.Bc7#
- 1...e6
- 2.Bc7#
- 2.Rxe6#
- 1...Se4
- 2.Re6#
- 1...Sd5
- 2.Re6#
- 1...Se3!
- threat
- 1.Qxc3?
- threat
- 2.Bc7#
- 1...Kf4
- 2.Se2#
- 2.Se6#
- 2.Qg3#
- 1...cxd4
- 2.Qg3#
- 1...Qxc3!
- threat
- 1.Qe3+?
- 1...Se4
- 2.Sf3#
- 2.Bc7#
- 2.Re6#
- 2.Qxe4#
- 1...Sxe3!
- 1...Se4
- 1.Sxc2?
- Keys
- 1.Qd3!
- threat
- 2.Bc7#
- 1...Kf4
- 2.Qg3#
- 1...cxd4
- 2.Qg3#
- 1...Se4
- 2.Qxe4#
- 1...Sd5
- 2.Qe4#
- threat
- 1.Qd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- S(b);N_GUARD::QAR1(B)
- S(b);N_GUARD::QAR1(B),XS(b)
- Tries
- Try
- S(D);P_SPINP(C),XS(a)
- Threat
- DUALS(3)
- Vars
- P(h);XR(J)::B(K)
- Refutation
- Q(c);CHECK,XP(C)
- Try
- S(D);P_SPINP(C)
- Threat
- DUALS(4)
- Vars
- S(b);N_GUARD,XS(D)::QAR1(B)
- Refutation
- Q(c);CHECK,XP(C)
- Try
- S(D);P_SPINP(C)
- Threat
- DUALS(3)
- Vars
- S(b);N_PINP(C)::QAB1(B)
- S(b);N_GUARD::QAR1(B),XS(b)
- Refutation
- Q(c);CHECK,XP(C)
- Try
- R(J);
- Threat
- QAB(B)
- Vars
- K(f);OGATEB,S_FLIGHT,XR(J)::B(K)
- P(e);SBLOCK,XS(D)::R1(J)
- P(h);OGATE,SBLOCK,XR(J)::B(K)
- S(b);N_GUARD::R1(J),XS(b)
- S(b);N_GUARD::R1(J)
- Refutation
- S(a);XS(D)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- Q(c);XP(C)::B(K)
- P(h);XR(J)::B(K)
- Refutation
- P(g);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- Q(c);P_PINS(D),XP(C)::B(K)
- P(h);XR(J)::B(K)
- S(b);::R1(J)
- Refutation
- S(a);
- Try
- Q(B);XS(b)
- Threat
- B(K)
- Vars
- P(e);P_SPINP(e),SBLOCK,XS(D)::QAB(B)
- Refutation
- Q(c);XQ(B)
- Try
- Q(B);CHECK
- Refutation
- S(a);XQ(B)
- Try
- Actual
- Q(B);
- Threat
- B(K)
- Vars
- K(f);S_FLIGHT::QAB1(B)
- P(e);SBLOCK,XS(D)::QAB(B)
- S(b);N_GUARD::QAR1(B),XS(b)
- S(b);N_GUARD::QAR1(B)
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).