MESON Chess Problem Database
Problem Display
PID: 71238 (BK6/3p1R1n/2qN1p2/7N/2P3p1/Qb2pkP1/7R/4B3 w - - 0 1)
Pagniez, Robert
Le Probleme, 1962
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Qe4
- 2.Bxe4#
- 1...Qd5
- 2.Bxd5#
- 1...Qb7+
- 2.Bxb7#
- 1...Qxa8+
- 2.Qxa8#
- 1...Bd1
- 2.Rf2#
- 1...Ba2
- 2.Rf2#
- 1...Bc2
- 2.Rf2#
- 1...Ba4
- 2.Rf2#
- 1...Bxc4
- 2.Rf2#
- 1...Sg5
- 2.Rxf6#
- 1...Sf8
- 2.Rxf6#
- 1...e2
- 2.Qxb3#
- 1...f5
- 2.Rxf5#
- 1...Qe4
- Tries
- 1.Ka7?
- 1...Qb7+
- 2.Bxb7#
- 1...Bxc4
- 2.Rf2#
- 1...e2
- 2.Qxb3#
- 1...Qe4
- 2.Bxe4#
- 1...Qd5
- 2.Bxd5#
- 1...Bd1
- 2.Rf2#
- 1...Ba2
- 2.Rf2#
- 1...Bc2
- 2.Rf2#
- 1...Ba4
- 2.Rf2#
- 1...Sg5
- 2.Rxf6#
- 1...Sf8
- 2.Rxf6#
- 1...f5
- 2.Rxf5#
- 1...Qxa8+!
- 1...Qb7+
- 1.Bb7?
- 1...Bxc4
- 2.Rf2#
- 1...e2
- 2.Qxb3#
- 1...Bd1
- 2.Rf2#
- 1...Qe4
- 2.Bxe4#
- 1...Qd5
- 2.Bxd5#
- 1...Ba2
- 2.Rf2#
- 1...Bc2
- 2.Rf2#
- 1...Ba4
- 2.Rf2#
- 1...Sg5
- 2.Rxf6#
- 1...Sf8
- 2.Rxf6#
- 1...f5
- 2.Rxf5#
- 1...Qxb7+!
- 1...Bxc4
- 1.Rxd7?
- threat
- 2.Bxc6#
- 1...Qb7+
- 2.Bxb7#
- 1...Qxa8+
- 2.Qxa8#
- 1...Bxc4
- 2.Rf2#
- 1...e2
- 2.Qxb3#
- 1...Qe4
- 2.Bxe4#
- 1...Qd5
- 2.Bxd5#
- 1...Bc2
- 2.Rf2#
- 1...Ba4
- 2.Rf2#
- 1...Sg5!
- threat
- 1.Rxh7?
- 1...Qb7+
- 2.Bxb7#
- 1...Qxa8+
- 2.Qxa8#
- 1...Bxc4
- 2.Rf2#
- 1...e2
- 2.Qxb3#
- 1...Bd1
- 2.Rf2#
- 1...Qe4
- 2.Bxe4#
- 1...Qd5
- 2.Bxd5#
- 1...Ba2
- 2.Rf2#
- 1...Bc2
- 2.Rf2#
- 1...Ba4
- 2.Rf2#
- 1...f5!
- 1...Qb7+
- 1.Rf8?
- 1...Qb7+
- 2.Bxb7#
- 1...Qxa8+
- 2.Qxa8#
- 1...Bxc4
- 2.Rf2#
- 1...e2
- 2.Qxb3#
- 1...Bd1
- 2.Rf2#
- 1...Qe4
- 2.Bxe4#
- 1...Qd5
- 2.Bxd5#
- 1...Ba2
- 2.Rf2#
- 1...Bc2
- 2.Rf2#
- 1...Ba4
- 2.Rf2#
- 1...Sg5
- 2.Rxf6#
- 1...f5
- 2.Rxf5#
- 1...Sxf8!
- 1...Qb7+
- 1.Qxb3?
- threat
- 2.Rf2#
- 1...Qb7+
- 2.Bxb7#
- 2.Qxb7#
- 1...Qxa8+!
- threat
- 1.Qa5?
- threat
- 2.Qf5#
- 1...Qb7+
- 2.Bxb7#
- 1...Qxa8+
- 2.Qxa8#
- 1...e2
- 2.Qc3#
- 1...Qd5
- 2.Bxd5#
- 2.Qxd5#
- 1...f5
- 2.Rxf5#
- 2.Qxf5#
- 1...Bc2!
- threat
- 1.Ka7?
- Keys
- 1.Bd2!
- 1...Qb7+
- 2.Bxb7#
- 1...Qxa8+
- 2.Qxa8#
- 1...Bxc4
- 2.Qxe3#
- 1...exd2
- 2.Qxb3#
- 1...Bd1
- 2.Qxe3#
- 1...Qe4
- 2.Bxe4#
- 1...Qd5
- 2.Bxd5#
- 1...Ba2
- 2.Qxe3#
- 1...Bc2
- 2.Qxe3#
- 1...Ba4
- 2.Qxe3#
- 1...Sg5
- 2.Rxf6#
- 1...Sf8
- 2.Rxf6#
- 1...e2
- 2.Qxb3#
- 1...f5
- 2.Rxf5#
- 1...Qb7+
- 1.Bd2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 5
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(e);OGATE::B(I),XQ(e)
- Q(e);CHECK,OGATEB::B(I),XQ(e)
- Q(e);CHECK,N_SPINQ(e),OGATE,XB(I)::QAB(C),XQ(e)
- B(a);N_SPINP(f),P_SPINP(b)::R1(B)
- B(a);N_SPINP(f),P_SPINP(b),XP(E)::R1(B)
- S(h);N_GUARD::R(H),XP(f)
- P(b);OGATEB,P_SPINB(a)::QAR(C),XB(a)
- P(f);OGATE::R(H),XP(f)
- Tries
- Try
- K(J);S_FLIGHT
- Vars
- Q(e);CHECK,OGATEB::B(I),XQ(e)
- B(a);N_SPINP(f),P_SPINP(b),XP(E)::R1(B)
- P(b);OGATEB,P_SPINB(a)::QAR(C),XB(a)
- Q(e);OGATE::B(I),XQ(e)
- B(a);N_SPINP(f),P_SPINP(b)::R1(B)
- S(h);N_GUARD::R(H),XP(f)
- P(f);OGATE::R(H),XP(f)
- Refutation
- Q(e);CHECK,N_SPINQ(e),XB(I)
- Try
- B(I);
- Vars
- B(a);N_SPINP(f),P_SPINP(b),XP(E)::R1(B)
- P(b);OGATEB,P_SPINB(a)::QAR(C),XB(a)
- B(a);N_SPINP(f),P_SPINP(b)::R1(B)
- Q(e);OGATE::B(I),XQ(e)
- S(h);N_GUARD::R(H),XP(f)
- P(f);OGATE::R(H),XP(f)
- Refutation
- Q(e);CHECK,N_SPINQ(e),XB(I)
- Try
- R(H);N_PINP(f),XP(g)
- Threat
- B(I),XQ(e)
- Vars
- Q(e);CHECK,OGATEB::B(I),XQ(e)
- Q(e);CHECK,N_SPINQ(e),OGATE,XB(I)::QAB(C),XQ(e)
- B(a);P_SPINP(b),XP(E)::R1(B)
- P(b);OGATEB,P_SPINB(a)::QAR(C),XB(a)
- Q(e);OGATE::B(I),XQ(e)
- B(a);P_SPINP(b)::R1(B)
- Refutation
- S(h);
- Try
- R(H);N_PINP(f),XS(h)
- Vars
- Q(e);CHECK,OGATEB::B(I),XQ(e)
- Q(e);CHECK,N_SPINQ(e),OGATE,XB(I)::QAB(C),XQ(e)
- B(a);P_SPINP(b),XP(E)::R1(B)
- P(b);OGATEB,P_SPINB(a)::QAR(C),XB(a)
- B(a);P_SPINP(b)::R1(B)
- Q(e);OGATE::B(I),XQ(e)
- Refutation
- P(f);
- Try
- R(H);
- Vars
- Q(e);CHECK,OGATEB::B(I),XQ(e)
- Q(e);CHECK,N_SPINQ(e),OGATE,XB(I)::QAB(C),XQ(e)
- B(a);N_SPINP(f),P_SPINP(b),XP(E)::R1(B)
- P(b);OGATEB,P_SPINB(a)::QAR(C),XB(a)
- B(a);N_SPINP(f),P_SPINP(b)::R1(B)
- Q(e);OGATE::B(I),XQ(e)
- S(h);N_GUARD::R(H),XP(f)
- P(f);OGATE::R(H),XP(f)
- Refutation
- S(h);N_SPINP(f),XR(H)
- Try
- Q(C);N_PINP(f),P_PINP(b),XB(a)
- Threat
- R1(B)
- Refutation
- Q(e);CHECK,N_SPINQ(e),XB(I)
- Try
- Q(C);
- Threat
- QAR2(C)
- Vars
- Q(e);CHECK,OGATEB::B(I),XQ(e)
- Q(e);CHECK,N_SPINQ(e),OGATE,XB(I)::QAB(C),XQ(e)
- P(b);OGATEB::QAR(C)
- Refutation
- B(a);
- Try
- Actual
- B(A);
- Vars
- Q(e);CHECK,OGATEB::B(I),XQ(e)
- Q(e);CHECK,N_SPINQ(e),OGATE,XB(I)::QAB(C),XQ(e)
- B(a);N_SPINP(f),OGATE,P_SPINP(b),XP(E)::QAR1(C),XP(b)
- P(b);OGATEB,P_SPINB(a),XB(A)::QAR(C),XB(a)
- B(a);N_SPINP(f),OGATE,P_SPINP(b)::QAR1(C),XP(b)
- Q(e);OGATE::B(I),XQ(e)
- S(h);N_GUARD::R(H),XP(f)
- P(b);OGATEB,P_SPINB(a)::QAR(C),XB(a)
- P(f);OGATE::R(H),XP(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).