MESON Chess Problem Database
Problem Display
PID: 258119 (3NR3/Q1p1q1n1/2B1bb2/1PP1krrR/3p2PN/3P2PK/8/8 w - - 0 1)
Queck, Rudolf
Berliner Morgenpost, 1959
#2
12 + 9
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qxc5
- 2.Sf7#
- 2.Qxc5#
- 1...Qd6
- 2.Sf7#
- 1...Qf7
- 2.Sxf7#
- 1...Qxe8
- 2.Qxc7#
- 1...Rf1
- 2.Sg6#
- 1...Rf2
- 2.Sg6#
- 1...Rf3
- 2.Sxf3#
- 2.Sg6#
- 1...Rf4
- 2.Sg6#
- 1...Rxg4
- 2.Sf3#
- 1...Rg6
- 2.Sf3#
- 2.Sxg6#
- 1...Ba2
- 2.Qxc7#
- 1...Bb3
- 2.Qxc7#
- 1...Bc4
- 2.Qxc7#
- 1...Bd5
- 2.Qxc7#
- 1...Bd7
- 2.Qxc7#
- 1...Bf7
- 2.Qxc7#
- 1...Bc8
- 2.Qxc7#
- 1...Bg8
- 2.Qxc7#
- 1...Qxc5
- Tries
- 1.Rxg5?
- threat
- 2.Sf3#
- 2.Sg6#
- 1...Qxc5
- 2.Sf7#
- 2.Qxc5#
- 1...Qxe8
- 2.Sf3#
- 2.Qxc7#
- 1...Rxg5
- 2.Sf3#
- 1...Qf7
- 2.Sf3#
- 2.Sxf7#
- 1...Bd5
- 2.Sg6#
- 2.Qxc7#
- 1...Bf7
- 2.Sf3#
- 2.Qxc7#
- 1...Bxg5!
- threat
- 1.Rxe7?
- threat
- 2.Sf7#
- 2.Qxc7#
- 1...Se8
- 2.Sf7#
- 2.Rxe6#
- 1...Bxe7!
- threat
- 1.Qa1?
- threat
- 2.Qe1#
- 1...Qxc5
- 2.Sf7#
- 1...Rxg4
- 2.Sf3#
- 1...Rf1
- 2.Sg6#
- 1...Rf2
- 2.Sg6#
- 1...Rf3
- 2.Sxf3#
- 2.Sg6#
- 1...Rf4
- 2.Sg6#
- 1...Bd5!
- threat
- 1.Qa2?
- threat
- 2.Qe2#
- 1...Qxc5
- 2.Sf7#
- 1...Rxg4
- 2.Sf3#
- 1...Rf2
- 2.Sg6#
- 1...Rf3
- 2.Sxf3#
- 2.Sg6#
- 1...Rf4
- 2.Sg6#
- 1...Bd5
- 2.Qxd5#
- 1...Bxa2!
- threat
- 1.Qxc7+?
- 1...Qd6
- 2.Sf7#
- 2.Qxd6#
- 1...Qxc7!
- 1...Qd6
- 1.Rxg5?
- Keys
- 1.Qa5!
- threat
- 2.Qe1#
- 1...Qxc5
- 2.Sf7#
- 1...Rxg4
- 2.Sf3#
- 1...Rf1
- 2.Sg6#
- 1...Rf2
- 2.Sg6#
- 1...Rf3
- 2.Sxf3#
- 2.Sg6#
- 1...Rf4
- 2.Sg6#
- 1...Bd5
- 2.Qxc7#
- threat
- 1.Qa5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- Q(h);N_GUARD,P_SPINB(e)::S(K)
- Q(h);N_GUARD,P_SPINB(e)::S(K),XQ(h)
- Q(h);N_GUARD,XR(L)::QAB(J),XP(g)
- R(c);P_PINP(D),P_SPINR(d)::S(E)
- R(d);P_SPINR(c),XP(D)::S(E)
- B(e);P_SPINQ(h)::QAB(J),XP(g)
- Tries
- Try
- R(H);P_PINR(c),XR(d)
- Threat
- DUALS(2)
- Vars
- R(c);N_SPINR(c),P_PINP(D),XR(H)::S(E)
- Refutation
- B(f);N_SPINR(c),XR(H)
- Try
- R(L);P_PINB(e),XQ(h)
- Threat
- DUALS(2)
- Refutation
- B(f);N_SPINB(e),XR(L)
- Try
- Q(J);P_PINP(a)
- Threat
- QAR(J)
- Vars
- Q(h);N_GUARD,P_SPINB(e),XP(G)::S(K)
- R(d);P_SPINR(c),XP(D)::S(E)
- R(c);P_PINP(D),P_SPINR(d)::S(E)
- Refutation
- B(e);P_SPINQ(h)
- Try
- Q(J);
- Threat
- QAR(J)
- Vars
- Q(h);N_GUARD,P_SPINB(e),XP(G)::S(K)
- R(d);P_SPINR(c),XP(D)::S(E)
- R(c);P_PINP(D),P_SPINR(d)::S(E)
- B(e);N_GUARD,P_SPINQ(h)::QAR1(J),XB(e)
- Refutation
- B(e);P_SPINQ(h),XQ(J)
- Try
- Q(J);CHECK,XP(g)
- Refutation
- Q(h);P_SPINB(e),XQ(J)
- Try
- Actual
- Q(J);
- Threat
- QAR(J)
- Vars
- Q(h);N_GUARD,P_SPINB(e),XP(G)::S(K)
- R(d);P_SPINR(c),XP(D)::S(E)
- R(c);P_PINP(D),P_SPINR(d)::S(E)
- B(e);P_SPINQ(h)::QAB(J),XP(g)
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).