MESON Chess Problem Database
Problem Display
PID: 146607 (4r3/q1p3R1/1nb1k1B1/5N2/3QN2B/4n2p/8/2b4K w - - 0 1)
Marienstrass, Z
Magasinet, 1933-1934
#2
7 + 9
| 14868 | Pirnie Collection | 2013 |
SOLUTION
- SOUND
- Sets
- 1...Re7
- 2.Rxe7#
- 1...Ra8
- 2.Re7#
- 1...Rb8
- 2.Re7#
- 1...Rc8
- 2.Re7#
- 1...Rd8
- 2.Re7#
- 1...Rf8
- 2.Re7#
- 1...Rg8
- 2.Re7#
- 1...Rh8
- 2.Re7#
- 1...Ba4
- 2.Sc5#
- 2.Sg5#
- 1...Bxe4+
- 2.Qxe4#
- 1...Bb5
- 2.Sc5#
- 2.Sg5#
- 1...Bd5
- 2.Qf6#
- 1...Bd7
- 2.Sc5#
- 2.Sg5#
- 1...Sg2
- 2.Sc5#
- 1...Sed5
- 2.Sc5#
- 1...Sxf5
- 2.Bf7#
- 1...Sbd5
- 2.Sg5#
- 1...Re7
- Tries
- 1.Kg1?
- threat
- 2.Sc5#
- 2.Sg5#
- 1...Bxe4
- 2.Qxe4#
- 1...Sxf5
- 2.Sc5#
- 2.Bf7#
- 1...Qa3
- 2.Sg5#
- 1...Qa5
- 2.Sg5#
- 1...Ba3
- 2.Sg5#
- 1...Sd1
- 2.Sc5#
- 1...Sf1
- 2.Sc5#
- 1...Sc2
- 2.Sc5#
- 1...Sg2
- 2.Sc5#
- 1...Sec4
- 2.Sc5#
- 1...Sg4
- 2.Sc5#
- 1...Sed5
- 2.Sc5#
- 1...Sa4
- 2.Sg5#
- 1...Sbc4
- 2.Sg5#
- 1...Sbd5
- 2.Sg5#
- 1...Sd7
- 2.Sg5#
- 1...Sa8
- 2.Sg5#
- 1...Sc8
- 2.Sg5#
- 1...h2+!
- threat
- 1.Rxc7?
- threat
- 2.Sg7#
- 2.Rxc6#
- 2.Qd6#
- 1...Bxe4+
- 2.Qxe4#
- 1...Sxf5
- 2.Bf7#
- 1...Sbd5
- 2.Sg5#
- 2.Sg7#
- 1...Qb8
- 2.Sg7#
- 2.Qd6#
- 1...Qa3
- 2.Sg7#
- 1...Qa4
- 2.Sg7#
- 2.Qd6#
- 1...Qb7
- 2.Sg7#
- 2.Qd6#
- 1...Qa8
- 2.Sg7#
- 2.Qd6#
- 1...Re7
- 2.Rxc6#
- 2.Qd6#
- 1...Rc8
- 2.Sg7#
- 2.Qd6#
- 1...Rd8
- 2.Sg7#
- 1...Rg8
- 2.Rxc6#
- 2.Qd6#
- 1...Ba3
- 2.Sg7#
- 1...Ba4
- 2.Sc5#
- 2.Sg5#
- 2.Sg7#
- 2.Qd6#
- 1...Bb5
- 2.Sc5#
- 2.Sg5#
- 2.Sg7#
- 2.Qd6#
- 1...Bd5
- 2.Sg7#
- 2.Qf6#
- 1...Bb7
- 2.Sg7#
- 2.Qd6#
- 1...Bd7
- 2.Sc5#
- 2.Sg5#
- 2.Sg7#
- 2.Qd6#
- 1...Ba8
- 2.Sg7#
- 2.Qd6#
- 1...Sec4
- 2.Sg7#
- 1...Sed5
- 2.Sc5#
- 2.Sg7#
- 1...Sbc4
- 2.Sg7#
- 1...Sc8
- 2.Sg7#
- 1...Qxc7!
- threat
- 1.Rf7?
- threat
- 2.Sg7#
- 2.Rf6#
- 1...Bxe4+
- 2.Qxe4#
- 1...Sbd5
- 2.Sg5#
- 2.Sg7#
- 1...Rf8
- 2.Sg7#
- 2.Re7#
- 1...Rg8
- 2.Rf6#
- 2.Re7#
- 1...Bd5
- 2.Sg7#
- 2.Qf6#
- 1...Sg4
- 2.Sg7#
- 1...Sed5
- 2.Sc5#
- 2.Sg7#
- 1...Sd7
- 2.Sg7#
- 1...Sxf5!
- threat
- 1.Kg1?
- Keys
- 1.Rh7!
- threat
- 2.Sg7#
- 1...Bxe4+
- 2.Qxe4#
- 1...Sxf5
- 2.Bf7#
- 1...Sbd5
- 2.Sg5#
- 1...Re7
- 2.Rxe7#
- 1...Rg8
- 2.Re7#
- 1...Bd5
- 2.Qf6#
- 1...Sed5
- 2.Sc5#
- threat
- 1.Rh7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- R(i);N_GUARD::R1(G),XR(i)
- R(i);N_GUARD::R1(G)
- B(e);CHECK,OGATE,XS(C)::QAR2(B),XB(e)
- B(e);SBLOCK::QAR1(B)
- S(b);N_PINS(C)::S(C)
- S(b);SBLOCK,XS(E)::B(F)
- S(d);N_PINS(C)::S(C)
- Tries
- Try
- K(A);N_SPINS(C),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- B(e);OGATE,XS(C)::QAR2(B),XB(e)
- Q(g);::S(C)
- B(a);::S(C)
- S(b);::S(C)
- S(d);::S(C)
- Refutation
- P(c);CHECK
- Try
- R(G);XP(h)
- Threat
- DUALS(3)
- Vars
- B(e);CHECK,OGATE,XS(C)::QAR2(B),XB(e)
- S(b);SBLOCK,XS(E)::B(F)
- Q(g);::S(E)
- R(i);::S(E)
- B(a);::S(E)
- S(b);::S(E)
- S(d);::S(E)
- Refutation
- Q(g);XR(G)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- B(e);CHECK,OGATE,XS(C)::QAR2(B),XB(e)
- S(b);::S(E)
- S(d);::S(E)
- Refutation
- S(b);XS(E)
- Try
- Actual
- R(G);
- Threat
- S(E)
- Vars
- B(e);CHECK,OGATE,XS(C)::QAR2(B),XB(e)
- S(b);SBLOCK,XS(E)::B(F)
- S(d);N_PINS(C)::S(C)
- R(i);N_GUARD::R1(G),XR(i)
- R(i);N_GUARD::R1(G)
- B(e);SBLOCK::QAR1(B)
- S(b);N_PINS(C)::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).