MESON Chess Problem Database
Problem Display
PID: 17821 (4R3/8/2Ppb1B1/N3k1nN/2Qb4/1R6/K7/8 w - - 0 1)
Morice, Jean
Bulletin Ouvrier des Echecs, 1951
#2
8 + 5
SOLUTION
- SOUND
- Sets
- 1...Sf3
- 2.Rxe6#
- 2.Qxe6#
- 1...Sh3
- 2.Rxe6#
- 2.Qxe6#
- 1...Se4
- 2.Rxe6#
- 2.Qxe6#
- 1...Sf7
- 2.Rxe6#
- 2.Qxe6#
- 1...Sh7
- 2.Rxe6#
- 2.Qxe6#
- 1...Sf3
- Tries
- 1.Be4?
- threat
- 2.Qd5#
- 1...Sxe4
- 2.Qxe6#
- 1...d5
- 2.Qxd5#
- 1...Kxe4!
- threat
- 1.Rd3?
- 1...Ba1
- 2.Rd5#
- 2.Qd5#
- 1...Bg1
- 2.Rd5#
- 2.Qd5#
- 1...Bb2
- 2.Rd5#
- 2.Qd5#
- 1...Bf2
- 2.Rd5#
- 2.Qd5#
- 1...Bc3
- 2.Rd5#
- 2.Qd5#
- 1...Be3
- 2.Rd5#
- 2.Qd5#
- 1...Bc5
- 2.Rd5#
- 2.Qd5#
- 1...Bb6
- 2.Rd5#
- 2.Qd5#
- 1...Ba7
- 2.Rd5#
- 2.Qd5#
- 1...Sf3
- 2.Rxe6#
- 2.Qxe6#
- 1...Sh3
- 2.Rxe6#
- 2.Qxe6#
- 1...Se4
- 2.Rxe6#
- 2.Qxe6#
- 1...Sf7
- 2.Rxe6#
- 2.Qxe6#
- 1...Sh7
- 2.Rxe6#
- 2.Qxe6#
- 1...d5!
- 1...Ba1
- 1.Re3+?
- 1...Se4
- 2.Rxe4#
- 2.Rxe6#
- 2.Qxe6#
- 1...Bxe3!
- 1...Se4
- 1.Rf3?
- 1...Sxf3
- 2.Rxe6#
- 2.Qxe6#
- 1...Ba1
- 2.Rf5#
- 1...Bg1
- 2.Rf5#
- 1...Bb2
- 2.Rf5#
- 1...Bf2
- 2.Rf5#
- 1...Bc3
- 2.Rf5#
- 1...Be3
- 2.Rf5#
- 1...Bc5
- 2.Rf5#
- 1...Bb6
- 2.Rf5#
- 1...Ba7
- 2.Rf5#
- 1...Sh3
- 2.Rxe6#
- 2.Qxe6#
- 1...Se4
- 2.Rf5#
- 2.Rxe6#
- 2.Qxe6#
- 1...Sf7
- 2.Rxe6#
- 2.Qxe6#
- 1...Sh7
- 2.Rxe6#
- 2.Qxe6#
- 1...d5!
- 1...Sxf3
- 1.Rb5+?
- 1...d5
- 2.Rxd5#
- 2.Qxd5#
- 1...Bc5!
- 1...d5
- 1.Qb5+?
- 1...d5
- 2.Sc4#
- 2.Qb8#
- 1...Bc5!
- 1...d5
- 1.Be4?
- Keys
- 1.Qd3!
- threat
- 2.Qf5#
- 1...Kd5
- 2.Rb5#
- 1...Ba1
- 2.Sc4#
- 1...Bg1
- 2.Sc4#
- 1...Bb2
- 2.Sc4#
- 1...Bf2
- 2.Sc4#
- 1...Bc3
- 2.Sc4#
- 1...Be3
- 2.Sc4#
- 1...Bc5
- 2.Sc4#
- 1...Bb6
- 2.Sc4#
- 1...Ba7
- 2.Sc4#
- 1...Se4
- 2.Qxe4#
- 1...d5
- 2.Qg3#
- threat
- 1.Qd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- Tries
- Try
- B(G);
- Threat
- QAR1(C)
- Vars
- S(c);N_GUARD,SBLOCK,XB(G)::QAR1(C),XB(e)
- P(d);::QAR1(C),XP(d)
- Refutation
- K(b);N_SPINB(e),P-FLIGHT,P_SPINB(a),XB(G)
- Try
- R(B);P_SPINQ(C)
- Refutation
- P(d);N_PINQ(C)
- Try
- R(B);CHECK,P_SPINQ(C)
- Refutation
- B(a);XR(B)
- Try
- R(B);P_SPINQ(C)
- Vars
- B(a);::R1(B)
- Refutation
- P(d);N_PINQ(C)
- Try
- R(B);CHECK,P_SPINQ(C)
- Refutation
- B(a);N_SPINB(e),P_SPINB(a)
- Try
- Q(C);CHECK,P_SPINR(B)
- Refutation
- B(a);N_SPINB(e),P_SPINB(a)
- Try
- Actual
- Q(C);P_SPINR(B)
- Threat
- QAR1(C)
- Vars
- K(b);N_PINR(B),N_SPINB(e),P-FLIGHT,P_SPINB(a)::R(B)
- B(a);::S(D)
- S(c);N_GUARD::QAR1(C),XS(c)
- P(d);N_PINR(B),SBLOCK::QAB(C)
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).