MESON Chess Problem Database
Problem Display
PID: 93851 (1b2RB1K/7P/p3N1B1/r3k1P1/2P2p2/p1N1q3/1r6/Q3R3 w - - 0 1)
Pachman, Vladimir
Sachove umeni (Ceskoslovensky sach), 1965
#2
11 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qe4
- 2.Rxe4#
- 1...Rb1
- 2.Sxb1#
- 1...Ra2
- 2.Sxa2#
- 1...Rbb5
- 2.Sxb5#
- 1...Rb6
- 2.Sb5#
- 1...Rb7
- 2.Sb5#
- 1...Bd6
- 2.Bg7#
- 1...f3
- 2.Rxe3#
- 1...Qe4
- Tries
- 1.Kg8?
- threat
- 2.h8Q#
- 2.h8B#
- 1...Qxe1
- 2.h8Q#
- 2.h8B#
- 1...Qe2
- 2.h8Q#
- 2.h8B#
- 1...Qe4
- 2.Rxe4#
- 2.h8Q#
- 2.h8B#
- 1...Rb1
- 2.Sxb1#
- 2.h8Q#
- 2.h8B#
- 1...Ra2
- 2.Sxa2#
- 2.h8Q#
- 2.h8B#
- 1...Rc2
- 2.h8Q#
- 2.h8B#
- 1...Rd2
- 2.h8Q#
- 2.h8B#
- 1...Re2
- 2.h8Q#
- 2.h8B#
- 1...Rf2
- 2.h8Q#
- 2.h8B#
- 1...Rg2
- 2.h8Q#
- 2.h8B#
- 1...Rb3
- 2.h8Q#
- 2.h8B#
- 1...Rb4
- 2.h8Q#
- 2.h8B#
- 1...Rbb5
- 2.Sxb5#
- 2.h8Q#
- 2.h8B#
- 1...Rb6
- 2.Sb5#
- 2.h8Q#
- 2.h8B#
- 1...Rb7
- 2.Sb5#
- 1...Ra4
- 2.h8Q#
- 2.h8B#
- 1...Rab5
- 2.h8Q#
- 2.h8B#
- 1...Rc5
- 2.h8Q#
- 2.h8B#
- 1...Rd5
- 2.h8Q#
- 2.h8B#
- 1...Bd6
- 2.Bg7#
- 2.h8Q#
- 2.h8B#
- 1...Ba7
- 2.h8Q#
- 2.h8B#
- 1...Bc7
- 2.h8Q#
- 2.h8B#
- 1...a2
- 2.h8Q#
- 2.h8B#
- 1...f3
- 2.Rxe3#
- 2.h8Q#
- 2.h8B#
- 1...Rh2!
- threat
- 1.Se2?
- threat
- 2.S6d4#
- 2.S6xf4#
- 2.Sc5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 1...Qxe2
- 2.Rxe2#
- 1...Qd4
- 2.S6xd4#
- 2.S6xf4#
- 2.Sc5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 1...Qc5
- 2.Sxc5#
- 1...Qa7
- 2.Sc7#
- 1...Qh3
- 2.Sg3#
- 1...Rc5
- 2.S6d4#
- 2.S6xf4#
- 2.Sxc5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 1...Bd6
- 2.Bg7#
- 1...Bc7
- 2.S6d4#
- 2.S6xf4#
- 2.Sc5#
- 2.Sxc7#
- 2.Sg7#
- 2.Sd8#
- 1...f3
- 2.S6d4#
- 2.S6f4#
- 2.Sc5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 1...Qb6!
- threat
- 1.Bc5?
- threat
- 2.Sd4#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Rb6
- 2.Sb5#
- 1...Rb7
- 2.Sb5#
- 2.Sc7#
- 1...Bd6
- 2.Bd4#
- 1...Bc7
- 2.Sd4#
- 2.Sxc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...f3
- 2.Rxe3#
- 1...Rxc5!
- threat
- 1.Qb1?
- threat
- 2.Qf5#
- 1...Qe4
- 2.Rxe4#
- 2.Qxe4#
- 1...Rc2
- 2.Qxb8#
- 1...Rxb1!
- threat
- 1.Qd1?
- threat
- 2.Sd4#
- 2.Sc5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Bg7#
- 2.Qd4#
- 1...Re2
- 2.Sd4#
- 2.Sc5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Bg7#
- 1...Rb6
- 2.Bg7#
- 2.Qd4#
- 1...Rb7
- 2.Sc7#
- 2.Qd4#
- 1...Rc5
- 2.Sd4#
- 2.Sxc5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Bg7#
- 2.Qd4#
- 1...Rd5
- 2.Sd4#
- 2.Sc5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Qxd5#
- 1...Bd6
- 2.Bxd6#
- 2.Bg7#
- 2.Qd4#
- 2.Qxd6#
- 1...Ba7
- 2.Sd4#
- 2.Sc5#
- 2.Sc7#
- 2.Sg7#
- 2.Sd8#
- 2.Bd6#
- 2.Bg7#
- 2.Qd6#
- 1...Bc7
- 2.Sd4#
- 2.Sc5#
- 2.Sxc7#
- 2.Sg7#
- 2.Sd8#
- 2.Bg7#
- 2.Qd4#
- 1...f3
- 2.Bg7#
- 2.Rxe3#
- 2.Qd4#
- 1...Rd2!
- threat
- 1.Kg8?
- Keys
- 1.Se4!
- threat
- 2.Bg7#
- 1...Qxe4
- 2.Rxe4#
- 1...Qa7
- 2.S4c5#
- threat
- 1.Se4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- Q(c);OGATE::R1(B),XQ(c)
- R(a);::QAB(A)+S(C),XR(a)
- R(a);::QAB(A)+S(C)
- B(h);SBLOCK::B(J)
- P(d);N_GUARD::R(B),XQ(c)
- Tries
- Try
- K(K);P-FLIGHT
- Threat
- P=Q
- Vars
- Q(c);N_SPINQ(c),XR(B)::P=Q
- Q(c);::P=Q
- R(a);::P=Q
- R(a);N_SPINQ(c)::P=Q
- R(a);::QAB(A)+S(C)
- R(e);::P=Q
- B(h);::P=Q
- P(b);::P=Q
- Refutation
- R(a);
- Try
- S(C);N_PINQ(c),P_PINR(a)
- Threat
- DUALS(6)
- Vars
- Q(c);OGATE,P_SPINQ(c),XS(C)::R(B),XQ(c)
- Q(c);::R(I)+S(F),XQ(c)
- Q(c);::R(I)+S(F)
- Q(c);P_PINP(H)::R(B)+S(C)
- B(h);SBLOCK::B(J)
- Refutation
- Q(c);
- Try
- B(J);
- Threat
- DUALS(5)
- Vars
- R(a);::QAB(A)+S(C)
- B(h);SBLOCK::B(J)
- P(d);N_GUARD::R(B),XQ(c)
- Refutation
- R(e);XB(J)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- R(a);OGATE::QAB(A),XB(h)
- Refutation
- R(a);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(7)
- Refutation
- R(a);
- Try
- Actual
- S(C);N_PINQ(c),P_PINR(a)
- Threat
- B(J)
- Vars
- Q(c);OGATE,P_SPINQ(c),XS(C)::R1(B),XQ(c)
- Q(c);::R(B)+S(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).