MESON Chess Problem Database
Problem Display
PID: 239279 (6b1/2pNN1n1/1nB2ppB/1KQ3rq/2p2kpR/1R6/p3Pr2/8 w - - 0 1)
Pituk, Alexander
Sachove umeni (Ceskoslovensky sach), 1967
#2
9 + 13
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qxh4
- 2.Sxg6#
- 1...Rxe2
- 2.Rf3#
- 1...Rg2
- 2.Rf3#
- 1...Rh2
- 2.Rf3#
- 1...Rf3
- 2.Rxf3#
- 1...Bd5
- 2.Qe3#
- 1...Sd5
- 2.Qd4#
- 2.Qxc4#
- 1...Sf5
- 2.Qxf2#
- 1...f5
- 2.Qxf2#
- 2.Qe3#
- 2.Qd4#
- 2.Qe5#
- 1...Qxh4
- Tries
- 1.Kb4?
- threat
- 2.Qxf2#
- 2.Qe3#
- 2.Qd4#
- 1...Qxh4
- 2.Sxg6#
- 2.Qe3#
- 2.Qd4#
- 1...Rxe2
- 2.Rf3#
- 1...Sxd7
- 2.Qe3#
- 2.Qd4#
- 1...cxb3
- 2.Qxf2#
- 1...Rf3
- 2.Rxf3#
- 1...Bd5
- 2.Qe3#
- 1...c3
- 2.Qxf2#
- 1...a1Q
- 2.Qxf2#
- 2.Qe3#
- 1...a1B
- 2.Qxf2#
- 2.Qe3#
- 1...Rf1
- 2.Qe3#
- 2.Qd4#
- 1...Rg2
- 2.Rf3#
- 2.Qe3#
- 2.Qd4#
- 1...Rh2
- 2.Rf3#
- 2.Qe3#
- 2.Qd4#
- 1...Sf5
- 2.Qxf2#
- 1...Se6
- 2.Qxf2#
- 2.Qe3#
- 1...Sd5+!
- threat
- 1.Bd5?
- threat
- 2.Qxf2#
- 2.Qe3#
- 2.Qd4#
- 2.Qxc7#
- 1...Qxh4
- 2.Qe3#
- 2.Qd4#
- 2.Qxc7#
- 1...Qxh6
- 2.Qxf2#
- 2.Qe3#
- 2.Qd4#
- 1...Rxe2
- 2.Rf3#
- 1...Bxd5
- 2.Qe3#
- 1...Sxd5
- 2.Qd4#
- 2.Qxc4#
- 1...Sxd7
- 2.Qe3#
- 2.Qd4#
- 1...cxb3
- 2.Qxf2#
- 1...Rf3
- 2.Rxf3#
- 2.Qxc7#
- 1...c3
- 2.Qxf2#
- 1...a1Q
- 2.Qxf2#
- 2.Qe3#
- 1...a1B
- 2.Qxf2#
- 2.Qe3#
- 1...Rf1
- 2.Qe3#
- 2.Qd4#
- 2.Qxc7#
- 1...Rg2
- 2.Rf3#
- 2.Qe3#
- 2.Qd4#
- 2.Qxc7#
- 1...Rh2
- 2.Rf3#
- 2.Qe3#
- 2.Qd4#
- 2.Qxc7#
- 1...Sa8
- 2.Qxf2#
- 2.Qe3#
- 2.Qd4#
- 2.Qxc4#
- 1...Sc8
- 2.Qxf2#
- 2.Qe3#
- 2.Qd4#
- 2.Qxc4#
- 1...Sf5
- 2.Qxf2#
- 1...Se6
- 2.Qxf2#
- 2.Qe3#
- 1...Se8
- 2.Qxf2#
- 2.Qe3#
- 2.Qd4#
- 1...c6+!
- threat
- 1.Bxg5+?
- 1...fxg5
- 2.Qxf2#
- 2.Qe3#
- 2.Qd4#
- 2.Qe5#
- 1...Qxg5!
- 1...fxg5
- 1.Rxg4+?
- 1...Qxg4
- 2.Sxg6#
- 1...Kxg4!
- 1...Qxg4
- 1.Kb4?
- Keys
- 1.Rbh3!
- threat
- 2.e3#
- 1...Rxe2
- 2.Rf3#
- 1...Bd5
- 2.Qe3#
- 1...Sd5
- 2.Qd4#
- 2.Qxc4#
- 1...Rf3
- 2.Rxf3#
- 1...Sf5
- 2.Qxf2#
- threat
- 1.Rbh3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- Q(g);N_GUARD,N_SPINP(e),XR(C)::S(I),XP(j)
- R(b);N_GUARD,XP(A)::R1(B)
- R(b);N_GUARD::R1(B)
- R(b);N_GUARD::R1(B),XR(b)
- B(m);N_PINQ(E)::QAB1(E)
- S(l);N_PINQ(E)::QAR2(E),XR(b)
- Tries
- Try
- K(D);N_SPINQ(E),P-FLIGHT
- Threat
- DUALS(3)
- Vars
- R(b);N_GUARD,XP(A)::R1(B)
- P(c);XR(B)::QAR2(E),XR(b)
- R(b);N_GUARD::R1(B),XR(b)
- B(m);::QAB1(E)
- P(c);::QAR2(E),XR(b)
- S(l);::QAR2(E),XR(b)
- Refutation
- S(h);CHECK
- Try
- B(F);N_SPINQ(E)
- Threat
- DUALS(4)
- Vars
- R(b);N_GUARD,XP(A)::R1(B)
- B(m);XB(F)::QAB1(E)
- P(c);XR(B)::QAR2(E),XR(b)
- P(c);::QAR2(E),XR(b)
- S(l);::QAR2(E),XR(b)
- Refutation
- P(k);CHECK
- Try
- B(G);CHECK,N_SPINQ(E),XR(f)
- Refutation
- Q(g);P_PINQ(E),XB(G)
- Try
- R(C);CHECK,XP(e)
- Vars
- Q(g);SBLOCK,XR(C)::S(I),XP(j)
- Refutation
- K(d);N_SPINR(f),P-FLIGHT,XR(C)
- Try
- Actual
- R(B);
- Threat
- P(A)
- Vars
- R(b);N_GUARD,XP(A)::R1(B)
- B(m);N_PINQ(E)::QAB1(E)
- R(b);N_GUARD::R1(B),XR(b)
- S(l);N_PINQ(E)::QAR2(E),XR(b)
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).