MESON Chess Problem Database
Problem Display
PID: 92935 (3r4/2RpQp2/1p3P2/1P1kp1N1/3p4/1p6/1Bp1N3/n1K5 w - - 0 1)
Andersson, Sven Tore
1st Prize, Tidskrift for Schack, 1951
#2
8 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ra8
- 2.Qxd7#
- 1...Rb8
- 2.Qxd7#
- 1...Rc8
- 2.Qxd7#
- 1...Re8
- 2.Qxd7#
- 1...Rf8
- 2.Qxd7#
- 1...Rg8
- 2.Qxd7#
- 1...Rh8
- 2.Qxd7#
- 1...d3
- 2.Qxe5#
- 1...e4
- 2.Sf4#
- 1...d6
- 2.Qxf7#
- 1...Ra8
- Tries
- 1.Sg1?
- 1...Ra8
- 2.Qxd7#
- 1...Rb8
- 2.Qxd7#
- 1...Rc8
- 2.Qxd7#
- 1...Re8
- 2.Qxd7#
- 1...Rf8
- 2.Qxd7#
- 1...Rg8
- 2.Qxd7#
- 1...Rh8
- 2.Qxd7#
- 1...d3
- 2.Qxe5#
- 1...d6
- 2.Qxf7#
- 1...e4!
- 1...Ra8
- 1.Sg3?
- 1...Ra8
- 2.Qxd7#
- 1...Rb8
- 2.Qxd7#
- 1...Rc8
- 2.Qxd7#
- 1...Re8
- 2.Qxd7#
- 1...Rf8
- 2.Qxd7#
- 1...Rg8
- 2.Qxd7#
- 1...Rh8
- 2.Qxd7#
- 1...d3
- 2.Qxe5#
- 1...d6
- 2.Qxf7#
- 1...e4!
- 1...Ra8
- 1.Bxa1?
- 1...e4
- 2.Sf4#
- 1...Ra8
- 2.Qxd7#
- 1...Rb8
- 2.Qxd7#
- 1...Rc8
- 2.Qxd7#
- 1...Re8
- 2.Qxd7#
- 1...Rf8
- 2.Qxd7#
- 1...Rg8
- 2.Qxd7#
- 1...Rh8
- 2.Qxd7#
- 1...d3
- 2.Qxe5#
- 1...d6
- 2.Qxf7#
- 1...b2+!
- 1...e4
- 1.Ba3?
- threat
- 2.Qd6#
- 2.Qxf7#
- 1...e4
- 2.Sf4#
- 2.Qd6#
- 2.Qxe4#
- 1...Re8
- 2.Qd6#
- 2.Qxd7#
- 1...Rf8
- 2.Qd6#
- 2.Qxd7#
- 1...d6
- 2.Qxf7#
- 1...b2+!
- threat
- 1.Bxd4?
- threat
- 2.Qxe5#
- 1...exd4
- 2.Sf4#
- 1...e4
- 2.Qe5#
- 1...Re8
- 2.Qxd7#
- 1...d6
- 2.Qxf7#
- 1...b2+!
- threat
- 1.Rc6?
- threat
- 2.Qd6#
- 2.Qxf7#
- 1...Re8
- 2.Qd6#
- 2.Qxd7#
- 1...Rf8
- 2.Qd6#
- 2.Qxd7#
- 1...e4
- 2.Sf4#
- 2.Qd6#
- 2.Qxe4#
- 1...d6
- 2.Qxf7#
- 1...dxc6!
- threat
- 1.Rc8?
- 1...Re8
- 2.Qxd7#
- 1...Rf8
- 2.Qxd7#
- 1...Rg8
- 2.Qxd7#
- 1...Rh8
- 2.Qxd7#
- 1...d3
- 2.Qxe5#
- 1...e4
- 2.Sf4#
- 1...d6
- 2.Qb7#
- 2.Qxf7#
- 1...Rxc8!
- 1...Re8
- 1.Qxd8?
- threat
- 2.Qxd7#
- 1...Kd6
- 2.Qxd7#
- 1...d6
- 2.Qa8#
- 1...e4!
- threat
- 1.Sg1?
- Keys
- 1.Qb4!
- 1...e4
- 2.Qxd4#
- 1...Ra8
- 2.Rxd7#
- 1...Rb8
- 2.Rxd7#
- 1...Rc8
- 2.Rxd7#
- 1...Re8
- 2.Rxd7#
- 1...Rf8
- 2.Rxd7#
- 1...Rg8
- 2.Rxd7#
- 1...Rh8
- 2.Rxd7#
- 1...d3
- 2.Sc3#
- 1...d6
- 2.Qc4#
- 1...e4
- 1.Qb4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 10
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(j);N_GUARD::QAR2(H),XP(h)
- P(d);::QAR1(H),XP(f)
- P(f);N_GUARD::S(C)
- P(h);SBLOCK::QAB(H),XP(i)
- Tries
- Try
- S(C);
- Vars
- R(j);N_GUARD::QAR2(H),XP(h)
- P(d);::QAR1(H),XP(f)
- P(h);SBLOCK::QAB(H),XP(i)
- Refutation
- P(f);
- Try
- S(C);
- Vars
- R(j);N_GUARD::QAR2(H),XP(h)
- P(d);::QAR1(H),XP(f)
- P(h);SBLOCK::QAB(H),XP(i)
- Refutation
- P(f);
- Try
- B(B);XS(a)
- Vars
- P(f);N_GUARD::S(C)
- R(j);N_GUARD::QAR2(H),XP(h)
- P(d);::QAR1(H),XP(f)
- P(h);SBLOCK::QAB(H),XP(i)
- Refutation
- P(c);CHECK
- Try
- B(B);
- Threat
- DUALS(2)
- Vars
- P(h);::QAB(H),XP(i)
- Refutation
- P(c);CHECK
- Try
- B(B);XP(d)
- Threat
- QAR1(H),XP(f)
- Vars
- P(f);N_GUARD,SBLOCK,XB(B)::S(C)
- P(f);::QAR1(H)
- R(j);N_GUARD::QAR2(H),XP(h)
- P(h);SBLOCK::QAB(H),XP(i)
- Refutation
- P(c);CHECK
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- P(h);::QAB(H),XP(i)
- Refutation
- P(h);XR(G)
- Try
- R(G);
- Vars
- R(j);N_GUARD::QAR2(H),XP(h)
- P(d);::QAR1(H),XP(f)
- P(f);N_GUARD::S(C)
- Refutation
- R(j);XR(G)
- Try
- Q(H);P_PINP(h),XR(j)
- Threat
- QAR2(H),XP(h)
- Vars
- K(e);P-FLIGHT::QAR1(H),XP(h)
- P(h);SBLOCK::QAB(H)
- Refutation
- P(f);
- Try
- Actual
- Q(H);
- Vars
- P(f);N_GUARD::QAR1(H),XP(d)
- R(j);N_GUARD::R(G),XP(h)
- P(d);N_GUARD::S(C)
- P(h);SBLOCK::QAB1(H)
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).