MESON Chess Problem Database
Problem Display
PID: 163059 (R6K/1p2N1P1/1p2b2Q/1P1Br3/1P1kpR2/N3n1B1/1P2P3/8 w - - 0 1)
Petite, Efren
Best Problems, 2012
#2
13 + 7
SOLUTION
- SOUND
- Sets
- 1...Rf5
- 2.Rxe4#
- 1...Rg5
- 2.Rxe4#
- 1...Rh5
- 2.Rxe4#
- 1...Bh3
- 2.Qxb6#
- 1...Bg4
- 2.Qxb6#
- 1...Bxd5
- 2.Qxb6#
- 1...Bf5
- 2.Qxb6#
- 1...Bd7
- 2.Qxb6#
- 1...Bf7
- 2.Qxb6#
- 1...Bc8
- 2.Qxb6#
- 1...Bg8
- 2.Qxb6#
- 1...Sd1
- 2.Sc2#
- 1...Sf1
- 2.Sc2#
- 1...Sc2
- 2.Sxc2#
- 1...Sg2
- 2.Sc2#
- 1...Sc4
- 2.Sc2#
- 1...Sg4
- 2.Sc2#
- 1...Sf5
- 2.Sc2#
- 1...Rf5
- Tries
- 1.Be1?
- threat
- 2.Bc3#
- 1...Sd1
- 2.Sc2#
- 1...Sf1
- 2.Sc2#
- 1...Sc2
- 2.Sxc2#
- 1...Sg2
- 2.Sc2#
- 1...Sc4
- 2.Sc2#
- 1...Sg4
- 2.Sc2#
- 1...Sf5
- 2.Sc2#
- 1...Sxd5!
- threat
- 1.Bf2?
- threat
- 2.Sc2#
- 1...Bxd5
- 2.Qxb6#
- 1...Rf5
- 2.Rxe4#
- 1...Rg5
- 2.Rxe4#
- 1...Rh5
- 2.Rxe4#
- 1...Rxd5!
- threat
- 1.Rg4?
- 1...Bxg4
- 2.Qxb6#
- 1...Bxd5
- 2.Qxb6#
- 1...Sxg4
- 2.Sc2#
- 2.Qd2#
- 1...Sxd5
- 2.Qd2#
- 1...Rf5
- 2.Rxe4#
- 1...Rg5
- 2.Rxe4#
- 1...Rh5
- 2.Rxe4#
- 1...Bf5
- 2.Qxb6#
- 1...Bd7
- 2.Qxb6#
- 1...Bf7
- 2.Qxb6#
- 1...Bc8
- 2.Qxb6#
- 1...Bg8
- 2.Qxb6#
- 1...Sd1
- 2.Sc2#
- 2.Qd2#
- 1...Sf1
- 2.Sc2#
- 1...Sc2
- 2.Sxc2#
- 2.Qd2#
- 1...Sg2
- 2.Sc2#
- 2.Qd2#
- 1...Sc4
- 2.Sc2#
- 1...Sf5
- 2.Sc2#
- 2.Qd2#
- 1...Rxd5!
- 1...Bxg4
- 1.Rh4?
- 1...Bxd5
- 2.Qxb6#
- 1...Sxd5
- 2.Qd2#
- 1...Rf5
- 2.Rxe4#
- 1...Rg5
- 2.Rxe4#
- 1...Rh5
- 2.Rxe4#
- 1...Bh3
- 2.Qxb6#
- 1...Bg4
- 2.Qxb6#
- 1...Bf5
- 2.Qxb6#
- 1...Bd7
- 2.Qxb6#
- 1...Bf7
- 2.Qxb6#
- 1...Bc8
- 2.Qxb6#
- 1...Bg8
- 2.Qxb6#
- 1...Sd1
- 2.Sc2#
- 2.Qd2#
- 1...Sf1
- 2.Sc2#
- 1...Sc2
- 2.Sxc2#
- 2.Qd2#
- 1...Sg2
- 2.Sc2#
- 2.Qd2#
- 1...Sc4
- 2.Sc2#
- 1...Sg4
- 2.Sc2#
- 2.Qd2#
- 1...Sf5
- 2.Sc2#
- 2.Qd2#
- 1...Rxd5!
- 1...Bxd5
- 1.Rc8?
- 1...Bxd5
- 2.Qxb6#
- 1...Bxc8
- 2.Qxb6#
- 1...Sxd5
- 2.Sc2#
- 1...Rf5
- 2.Rxe4#
- 1...Rg5
- 2.Rxe4#
- 1...Rh5
- 2.Rxe4#
- 1...Sd1
- 2.Sc2#
- 1...Sf1
- 2.Sc2#
- 1...Sc2
- 2.Sxc2#
- 1...Sg2
- 2.Sc2#
- 1...Sc4
- 2.Sc2#
- 1...Sg4
- 2.Sc2#
- 1...Sf5
- 2.Sc2#
- 1...Bh3
- 2.Qxb6#
- 1...Bg4
- 2.Qxb6#
- 1...Bf5
- 2.Qxb6#
- 1...Bd7
- 2.Qxb6#
- 1...Bf7
- 2.Qxb6#
- 1...Bg8
- 2.Qxb6#
- 1...Rxd5!
- 1...Bxd5
- 1.Qf6?
- threat
- 2.Rxe4#
- 1...Bxd5
- 2.Qxb6#
- 1...Bf5
- 2.Qxb6#
- 1...Sxd5!
- threat
- 1.Be1?
- Keys
- 1.Rd8!
- 1...Rxd5
- 2.Qf6#
- 1...Bxd5
- 2.Qxb6#
- 1...Sxd5
- 2.Bf2#
- 1...Rf5
- 2.Rxe4#
- 1...Rg5
- 2.Rxe4#
- 1...Rh5
- 2.Rxe4#
- 1...Sd1
- 2.Sc2#
- 1...Sf1
- 2.Sc2#
- 1...Sc2
- 2.Sxc2#
- 1...Sg2
- 2.Sc2#
- 1...Sc4
- 2.Sc2#
- 1...Sg4
- 2.Sc2#
- 1...Sf5
- 2.Sc2#
- 1...Bh3
- 2.Qxb6#
- 1...Bg4
- 2.Qxb6#
- 1...Bf5
- 2.Qxb6#
- 1...Bd7
- 2.Qxb6#
- 1...Bf7
- 2.Qxb6#
- 1...Bc8
- 2.Qxb6#
- 1...Bg8
- 2.Qxb6#
- 1...Rxd5
- 1.Rd8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(d);N_GUARD::R1(F),XP(c)
- R(d);N_GUARD,P_PINQ(I)::R1(F),XP(c)
- B(f);OGATE::QAB(I),XP(e)
- B(f);OGATE,XB(H)::QAB(I),XP(e)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- Tries
- Try
- B(D);
- Threat
- B(D)
- Vars
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- Refutation
- S(a);XB(H)
- Try
- B(D);P_PINS(a)
- Threat
- S(C)
- Vars
- B(f);OGATE,XB(H)::QAB(I),XP(e)
- R(d);N_GUARD::R1(F),XP(c)
- R(d);N_GUARD,P_PINQ(I)::R1(F),XP(c)
- Refutation
- R(d);XB(H)
- Try
- R(F);
- Vars
- B(f);N_SPINP(c),OGATE,XR(F)::QAB(I),XP(e)
- B(f);OGATE,XB(H)::QAB(I),XP(e)
- S(a);OGATE,XB(H)::QAR2(I)
- R(d);N_GUARD::R1(F),XP(c)
- R(d);N_GUARD,P_PINQ(I)::R1(F),XP(c)
- B(f);OGATE::QAB(I),XP(e)
- S(a);N_GUARD::S(C)
- Refutation
- R(d);XB(H)
- Try
- R(F);
- Vars
- B(f);OGATE,XB(H)::QAB(I),XP(e)
- S(a);OGATE,XB(H)::QAR2(I)
- R(d);N_GUARD::R1(F),XP(c)
- R(d);N_GUARD,P_PINQ(I)::R1(F),XP(c)
- B(f);OGATE::QAB(I),XP(e)
- B(f);N_SPINP(c),OGATE::QAB(I),XP(e)
- S(a);N_GUARD::S(C)
- Refutation
- R(d);XB(H)
- Try
- R(L);
- Vars
- B(f);OGATE,XB(H)::QAB(I),XP(e)
- B(f);OGATE,XR(L)::QAB(I),XP(e)
- S(a);N_GUARD,XB(H)::S(C)
- R(d);N_GUARD::R1(F),XP(c)
- R(d);N_GUARD,P_PINQ(I)::R1(F),XP(c)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- B(f);OGATE::QAB(I),XP(e)
- Refutation
- R(d);XB(H)
- Try
- Q(I);P_PINR(d)
- Threat
- R1(F),XP(c)
- Vars
- B(f);OGATE,XB(H)::QAB(I),XP(e)
- B(f);OGATE::QAB(I),XP(e)
- Refutation
- S(a);XB(H)
- Try
- Actual
- R(L);
- Vars
- R(d);OGATEB,P_SPINR(d),XB(H)::QAB(I)
- B(f);OGATE,P_SPINB(f),XB(H)::QAB(I),XP(e)
- S(a);OGATEB,P_SPINS(a),XB(H)::B(D)
- R(d);N_GUARD::R1(F),XP(c)
- R(d);N_GUARD,P_PINQ(I)::R1(F),XP(c)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- B(f);OGATE::QAB(I),XP(e)
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).