MESON Chess Problem Database
Problem Display
PID: 24942 (2N2Q2/4p3/3R2p1/pK2k1P1/Pn1Np3/4R3/3n4/8 w - - 0 1)
Aschenazi, Marcel
2nd Place, Romanian Championship, 1954
#2
8 + 7
| 3105 | FIDE Album (1945-1955) | 1964 |
SOLUTION
- SOUND
- Sets
- 1...Sb1
- 2.Sf3#
- 1...Sf1
- 2.Sf3#
- 1...Sb3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sc4
- 2.Sf3#
- 1...Sa2
- 2.Sc6#
- 1...Sc2
- 2.Sc6#
- 1...Sd3
- 2.Sc6#
- 1...Sd5
- 2.Sc6#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...exd6
- 2.Qxd6#
- 1...e6
- 2.Qf6#
- 1...Sb1
- Tries
- 1.Sxe7?
- threat
- 2.Sxg6#
- 2.Qf6#
- 1...Sd5
- 2.Sec6#
- 2.Rxd5#
- 1...Kxd6!
- threat
- 1.Re1?
- 1...exd6
- 2.Qxd6#
- 1...Sd5
- 2.Sc6#
- 1...Sd3
- 2.Sc6#
- 1...Sb1
- 2.Sf3#
- 1...Sf1
- 2.Sf3#
- 1...Sb3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sc4
- 2.Sf3#
- 1...Sa2
- 2.Sc6#
- 1...Sc2
- 2.Sc6#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...e6
- 2.Qf6#
- 1...e3!
- 1...exd6
- 1.Re2?
- 1...exd6
- 2.Qxd6#
- 1...Sd5
- 2.Sc6#
- 1...Sd3
- 2.Sc6#
- 1...Sb1
- 2.Sf3#
- 1...Sf1
- 2.Sf3#
- 1...Sb3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sc4
- 2.Sf3#
- 1...Sa2
- 2.Sc6#
- 1...Sc2
- 2.Sc6#
- 1...Sa6
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...e6
- 2.Qf6#
- 1...e3!
- 1...exd6
- 1.Rxe4+?
- 1...Sxe4
- 2.Sf3#
- 1...Kxe4!
- 1...Sxe4
- 1.Re6+?
- 1...Kd5
- 2.Qd8#
- 1...Kxd4!
- 1...Kd5
- 1.Qf7?
- 1...Sd5
- 2.Sc6#
- 2.Rxd5#
- 1...Sb1
- 2.Sf3#
- 1...Sf1
- 2.Sf3#
- 1...Sb3
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sc4
- 2.Sf3#
- 1...Sa2
- 2.Sc6#
- 2.Rd5#
- 1...Sc2
- 2.Sc6#
- 2.Rd5#
- 1...Sd3
- 2.Sc6#
- 2.Rd5#
- 1...Sa6
- 2.Sc6#
- 2.Rd5#
- 1...Sc6
- 2.Sxc6#
- 2.Rd5#
- 1...e6
- 2.Qf6#
- 1...exd6!
- 1...Sd5
- 1.Sxe7?
- Keys
- 1.Sb6!
- 1...Kxd6
- 2.Qb8#
- 1...exd6
- 2.Qf6#
- 1...Sd5
- 2.Rxd5#
- 1...Sd3
- 2.Rd5#
- 1...Sb1
- 2.Sc4#
- 1...Sf1
- 2.Sc4#
- 1...Sb3
- 2.Sc4#
- 1...Sf3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sa2
- 2.Rd5#
- 1...Sc2
- 2.Rd5#
- 1...Sa6
- 2.Rd5#
- 1...Sc6
- 2.Rd5#
- 1...e6
- 2.Sd7#
- 1...Kxd6
- 1.Sb6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 13
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(b);N_GUARD::S(C)
- S(b);N_GUARD::S(C),XS(b)
- P(g);OGATE,XR(F)::QAB1(H),XP(g)
- P(g);N_GUARD::QAB1(H)
- Tries
- Try
- S(G);XP(g)
- Threat
- DUALS(2)
- Refutation
- K(e);N_SPINP(c),S_FLIGHT,XR(F)
- Try
- R(A);
- Vars
- P(g);OGATE,XR(F)::QAB1(H),XP(g)
- S(b);N_GUARD::S(C)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(b);N_GUARD::S(C),XS(b)
- P(g);N_GUARD::QAB1(H)
- Refutation
- P(c);
- Try
- R(A);
- Vars
- P(g);OGATE,XR(F)::QAB1(H),XP(g)
- S(b);N_GUARD::S(C)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- S(b);N_GUARD::S(C),XS(b)
- P(g);N_GUARD::QAB1(H)
- Refutation
- P(c);
- Try
- R(A);CHECK,XP(c)
- Vars
- S(a);SBLOCK,XR(A)::S(C)
- Refutation
- K(e);P-FLIGHT,XR(A)
- Try
- R(F);CHECK
- Vars
- K(e);N_SPINP(c),P-FLIGHT::QAR(H)
- Refutation
- K(e);N_SPINP(c),S_FLIGHT,XS(C)
- Try
- Q(H);
- Vars
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- P(g);N_GUARD::QAB1(H)
- Refutation
- P(g);XR(F)
- Try
- Actual
- S(G);
- Vars
- K(e);N_SPINP(c),OGATEB,P_SPINP(g),S_FLIGHT,XR(F)::QAB(H)
- P(g);N_GUARD,XR(F)::QAB1(H)
- S(b);N_GUARD::R1(F),XS(b)
- S(b);N_GUARD::R1(F)
- S(a);N_GUARD::S(G)
- S(a);N_GUARD::S(G),XS(a)
- P(g);::S(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).