MESON Chess Problem Database
Problem Display
PID: 87424 (2B5/B2p3Q/7K/2r2N2/n1PPkNR1/Rr2pn2/4b1P1/8 w - - 0 1)
Banaszek, Marcin
Problemista, 1966
#2
11 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Sxe2#
- 2.Sd3#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Rxe3#
- 1...Rb2
- 2.Sxe2#
- 2.Sd3#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Rxe3#
- 1...Rd3
- 2.Sxe2#
- 2.Sxd3#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 1...Rb4
- 2.Sxe2#
- 2.Sd3#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Rxe3#
- 1...Rbb5
- 2.Sxe2#
- 2.Sd3#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Rxe3#
- 1...Rb6+
- 2.Se6#
- 1...Rb7
- 2.Sxe2#
- 2.Sd3#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Rxe3#
- 1...Rb8
- 2.Sxe2#
- 2.Sd3#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Rxe3#
- 1...Rxc4
- 2.Sg3#
- 2.Sh4#
- 2.Sd6#
- 2.Se7#
- 2.Sg7#
- 1...Ra5
- 2.Sg3#
- 2.Sd6#
- 1...Rcb5
- 2.Sg3#
- 2.Sd6#
- 1...Rd5
- 2.Sg3#
- 2.Sd6#
- 1...Re5
- 2.Sg3#
- 2.Sd6#
- 1...Rc6+
- 2.Sd6#
- 1...Rc7
- 2.Sg3#
- 2.Sh4#
- 2.Sd6#
- 2.Se7#
- 2.Sg7#
- 1...Rxc8
- 2.Sg3#
- 2.Sh4#
- 2.Sd6#
- 2.Se7#
- 2.Sg7#
- 1...Bd3
- 2.Se2#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 1...Rb1
- Tries
- 1.Sh4+?
- 1...Rf5
- 2.Qxf5#
- 1...Kxd4!
- 1...Rf5
- 1.Se7+?
- 1...Rf5
- 2.Qxf5#
- 1...Kxd4!
- 1...Rf5
- 1.Sg7+?
- 1...Rf5
- 2.Qxf5#
- 1...Kxd4!
- 1...Rf5
- 1.Bb7+?
- 1...Rxb7
- 2.Sxe2#
- 2.Sd3#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Rxe3#
- 1...Rd5
- 2.Sg3#
- 2.Sh4#
- 2.Sd6#
- 2.Se7#
- 2.Sg7#
- 2.Bxd5#
- 1...Rc6+
- 2.Sd6#
- 1...d5!
- 1...Rxb7
- 1.Rxb3?
- threat
- 2.Sxe2#
- 2.Sd3#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Rxe3#
- 1...Rc6+
- 2.Se6#
- 2.Sd6#
- 1...Rxc4
- 2.Sxe3#
- 2.Sg3#
- 2.Sh4#
- 2.Sd6#
- 2.Se7#
- 2.Sg7#
- 2.Rxe3#
- 1...Rxf5
- 2.Sxe2#
- 2.Sd3#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 1...Bxc4
- 2.Rxe3#
- 1...Sxd4
- 2.Rxe3#
- 1...Rd5
- 2.Sxe2#
- 2.Sd3#
- 2.Sh3#
- 2.Sxd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg3#
- 2.Sd6#
- 2.Rxe3#
- 1...Bd1
- 2.Se2#
- 2.Sd3#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Rxe3#
- 1...Bf1
- 2.Se2#
- 2.Sd3#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Rxe3#
- 1...Bd3
- 2.Se2#
- 2.Sxd3#
- 2.Sh3#
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 1...Se1
- 2.Sxe2#
- 2.Rxe3#
- 1...Sg1
- 2.Sxe2#
- 2.Rxe3#
- 1...Sd2
- 2.Sxe2#
- 2.Rxe3#
- 1...Sh2
- 2.Rxe3#
- 1...Sh4
- 2.Sxe2#
- 2.Rxe3#
- 1...Se5
- 2.Rxe3#
- 1...Sg5
- 2.Sxe2#
- 2.Rxe3#
- 1...d5
- 2.Sxe2#
- 2.Sd3#
- 2.Sh3#
- 2.Sxd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 2.Rxe3#
- 1...Sc3!
- threat
- 1.Qe7+?
- 1...Kxf5
- 2.Bxd7#
- 1...Re5
- 2.Sg3#
- 2.Sd6#
- 1...Se5!
- 1...Kxf5
- 1.Sh4+?
- Keys
- 1.Qxd7!
- threat
- 2.Sg3#
- 1...Rb6+
- 2.Sg6#
- 1...Rc6+
- 2.Qxc6#
- 1...Rxf5
- 2.Qxf5#
- 1...Sxd4
- 2.Qxd4#
- threat
- 1.Qxd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(b);CHECK::R(F)+S(E)
- R(g);CHECK::QAB(J)+S(G),DCHECK
- Tries
- Try
- S(G);CHECK
- Vars
- R(g);N_GUARD,P_SPINR(g)::QAB1(J),XR(g)
- Refutation
- K(f);P-FLIGHT,P_SPINR(g),XP(D)
- Try
- S(G);CHECK
- Vars
- R(g);N_GUARD,P_SPINR(g)::QAB1(J),XR(g)
- Refutation
- K(f);P-FLIGHT,P_SPINR(g),XP(D)
- Try
- S(G);CHECK
- Vars
- R(g);N_GUARD,P_SPINR(g)::QAB1(J),XR(g)
- Refutation
- K(f);P-FLIGHT,P_SPINR(g),XP(D)
- Try
- B(K);CHECK
- Vars
- R(g);CHECK,P_SPINR(g)::QAB(J)+S(G),DCHECK
- Refutation
- P(h);P_SPINP(h)
- Try
- R(B);XR(b)
- Threat
- DUALS(7)
- Vars
- B(a);XP(C)::R1(B),XP(c)
- S(d);XP(D)::R1(B),XP(c)
- S(d);::R1(B),XP(c)
- Refutation
- S(e);
- Try
- Q(J);CHECK
- Vars
- K(f);P_SPINP(h),S_FLIGHT,XS(G)::B(K),XP(h)
- Refutation
- S(d);P_SPINS(d)
- Try
- Actual
- Q(J);XP(h)
- Threat
- S(G)
- Vars
- R(b);CHECK::R(F)+S(E)
- R(g);CHECK,N_GUARD::QAB(J),XR(g)
- R(g);OGATE,XS(G)::QAB1(J),XR(g)
- S(d);OGATE,XP(D)::QAR1(J),XS(d)
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).