MESON Chess Problem Database
Problem Display
PID: 101251 (8/8/3pN3/p1r2pPp/Pb1NpR1q/4k2P/KQ6/3Rr3 w - - 0 1)
Stuiver, PJG
Good Companions, 1919
#2
9 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qf2
- 2.Qxf2#
- 1...Qxg5
- 2.Qf2#
- 1...Qxh3
- 2.Qf2#
- 1...Qg4
- 2.Qf2#
- 1...Rxd1
- 2.Qe2#
- 1...Rf1
- 2.Qe2#
- 1...Rg1
- 2.Qe2#
- 1...Rh1
- 2.Qe2#
- 1...Re2
- 2.Qxe2#
- 1...Rc1
- 2.Sxf5#
- 1...Rc3
- 2.Sxf5#
- 2.Qd2#
- 1...Rc4
- 2.Sxf5#
- 1...Rc6
- 2.Sxf5#
- 1...Rc7
- 2.Sxf5#
- 1...Rc8
- 2.Sxf5#
- 1...Bd2
- 2.Qxd2#
- 1...Ba3
- 2.Qd2#
- 1...d5
- 2.Sxf5#
- 1...Qf2
- Tries
- 1.Qc1+?
- 1...Bd2
- 2.Qxd2#
- 1...Rxc1!
- 1...Bd2
- 1.Qg2?
- 1...Qf2+
- 2.Qxf2#
- 1...Re2+
- 2.Qxe2#
- 1...Rc2+
- 2.Sxc2#
- 1...Qxg5
- 2.Qf2#
- 1...Qxh3
- 2.Qxh3#
- 2.Qf2#
- 1...Rxd1
- 2.Qe2#
- 1...Bd2
- 2.Qxd2#
- 1...Qg3
- 2.Qxg3#
- 1...Qg4
- 2.Qf2#
- 1...Rf1
- 2.Qe2#
- 1...Rg1
- 2.Qe2#
- 1...Rh1
- 2.Qe2#
- 1...Rc1
- 2.Sxf5#
- 1...Rc3
- 2.Sxf5#
- 2.Qd2#
- 1...Rc4
- 2.Sxf5#
- 1...Rb5
- 2.Sc2#
- 1...Rd5
- 2.Sc2#
- 1...Re5
- 2.Sc2#
- 1...Rc6
- 2.Sxf5#
- 1...Rc7
- 2.Sxf5#
- 1...Rc8
- 2.Sxf5#
- 1...Ba3
- 2.Qd2#
- 1...Bc3
- 2.Sc2#
- 1...d5
- 2.Sxf5#
- 1...Qxf4!
- 1...Qf2+
- 1.Qc1+?
- Keys
- 1.Qh2!
- 1...Qf2+
- 2.Qxf2#
- 1...Re2+
- 2.Qxe2#
- 1...Rc2+
- 2.Sxc2#
- 1...Qxg5
- 2.Qf2#
- 1...Qxh3
- 2.Qf2#
- 2.Qxh3#
- 1...Qxf4
- 2.Qxf4#
- 1...Rxd1
- 2.Qe2#
- 1...Bd2
- 2.Qxd2#
- 1...Qg3
- 2.Qxg3#
- 1...Qg4
- 2.Qf2#
- 1...Rf1
- 2.Qe2#
- 1...Rg1
- 2.Qe2#
- 1...Rh1
- 2.Qe2#
- 1...Rc1
- 2.Sxf5#
- 1...Rc3
- 2.Sxf5#
- 2.Qd2#
- 1...Rc4
- 2.Sxf5#
- 1...Rb5
- 2.Sc2#
- 1...Rd5
- 2.Sc2#
- 1...Re5
- 2.Sc2#
- 1...Rc6
- 2.Sxf5#
- 1...Rc7
- 2.Sxf5#
- 1...Rc8
- 2.Sxf5#
- 1...Ba3
- 2.Qd2#
- 1...Bc3
- 2.Sc2#
- 1...d5
- 2.Sxf5#
- 1...Qf2+
- 1.Qh2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 1
- Sets
- Q(e);N_GUARD,P_PINQ(C)::QAB1(C),XQ(e)
- Q(e);N_GUARD,XP(H)::QAB1(C)
- Q(e);N_GUARD,XP(D)::QAB1(C)
- Q(e);N_GUARD::QAB1(C)
- R(a);N_GUARD,XR(A)::QAR1(C)
- R(a);N_GUARD::QAR1(C)
- R(a);N_GUARD,P_PINQ(C)::QAR1(C),XR(a)
- R(g);N_GUARD::S(F),XP(h)
- B(c);N_GUARD::QAB1(C),XB(c)
- B(c);N_GUARD::QAB1(C)
- P(j);S_CUTR(g)::S(F),XP(h)
- Tries
- Try
- Q(C);CHECK
- Vars
- B(c);N_GUARD,P_SPINB(c)::QAB1(C),XB(c)
- Refutation
- R(g);XQ(C)
- Try
- Q(C);
- Vars
- Q(e);CHECK,N_GUARD::QAB1(C),XQ(e)
- R(a);CHECK,N_GUARD::QAR1(C),XR(a)
- R(g);CHECK,N_GUARD::S(F),XR(g)
- Q(e);N_GUARD,XP(H)::QAB1(C)
- R(a);N_GUARD,XR(A)::QAR1(C)
- B(c);N_GUARD::QAB1(C),XB(c)
- Q(e);N_GUARD::QAR2(C),XQ(e)
- Q(e);N_GUARD::QAB1(C)
- R(a);N_GUARD::QAR1(C)
- R(g);N_GUARD::S(F),XP(h)
- R(g);N_GUARD::S(F)
- B(c);N_GUARD::QAB1(C)
- B(c);S_CUTR(g)::S(F)
- P(j);S_CUTR(g)::S(F),XP(h)
- Refutation
- Q(e);XR(G)
- Try
- Actual
- Q(C);
- Vars
- Q(e);CHECK,N_GUARD::QAB1(C),XQ(e)
- R(a);CHECK,N_GUARD::QAR1(C),XR(a)
- R(g);CHECK,N_GUARD::S(F),XR(g)
- Q(e);N_GUARD,XP(H)::QAB1(C)
- Q(e);OGATE,XR(G)::QAB1(C),XQ(e)
- R(a);N_GUARD,XR(A)::QAR1(C)
- B(c);N_GUARD::QAB1(C),XB(c)
- Q(e);N_GUARD::QAR2(C),XQ(e)
- Q(e);N_GUARD::QAB1(C)
- R(a);N_GUARD::QAR1(C)
- R(g);N_GUARD::S(F),XP(h)
- R(g);N_GUARD::S(F)
- B(c);N_GUARD::QAB1(C)
- B(c);S_CUTR(g)::S(F)
- P(j);S_CUTR(g)::S(F),XP(h)
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).