MESON Chess Problem Database
Problem Display
PID: 107280 (6Q1/8/3Nn2p/KPk1p2R/3RBn2/5P2/1P6/8 w - - 0 1)
Aschenazi, Marcel
Revista Romana de Sah, 1957
#2
9 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kxd4
- 2.Qg1#
- 1...Se2
- 2.Rd5#
- 1...Sg2
- 2.Rd5#
- 1...Sd3
- 2.Rd5#
- 1...Sh3
- 2.Rd5#
- 1...Sd5
- 2.Rxd5#
- 1...Sxh5
- 2.Rd5#
- 1...Sg6
- 2.Rd5#
- 1...Sxd4
- 2.Sb7#
- 1...Sg5
- 2.Qc4#
- 1...Sc7
- 2.Qc4#
- 1...Sg7
- 2.Qc4#
- 1...Sd8
- 2.Qc4#
- 1...Sf8
- 2.Qc4#
- 1...Kxd4
- Tries
- 1.Bc6?
- 1...Sxh5
- 2.Rd5#
- 1...Sxd4
- 2.Se4#
- 2.Sb7#
- 1...Sd5
- 2.Rxd5#
- 1...Se2
- 2.Rd5#
- 1...Sg2
- 2.Rd5#
- 1...Sd3
- 2.Rd5#
- 1...Sh3
- 2.Rd5#
- 1...Sg6
- 2.Rd5#
- 1...Sg5
- 2.Qc4#
- 1...Sc7
- 2.Qc4#
- 1...Sg7
- 2.Qc4#
- 1...Sd8
- 2.Qc4#
- 1...Sf8
- 2.Qc4#
- 1...Kxd4!
- 1...Sxh5
- 1.Bb7?
- 1...Sxh5
- 2.Rd5#
- 1...Sxd4
- 2.Se4#
- 1...Sd5
- 2.Rxd5#
- 1...Se2
- 2.Rd5#
- 1...Sg2
- 2.Rd5#
- 1...Sd3
- 2.Rd5#
- 1...Sh3
- 2.Rd5#
- 1...Sg6
- 2.Rd5#
- 1...Sg5
- 2.Qc4#
- 1...Sc7
- 2.Qc4#
- 1...Sg7
- 2.Qc4#
- 1...Sd8
- 2.Qc4#
- 1...Sf8
- 2.Qc4#
- 1...Kxd4!
- 1...Sxh5
- 1.Ba8?
- 1...Sxh5
- 2.Rd5#
- 1...Sxd4
- 2.Se4#
- 2.Sb7#
- 1...Sd5
- 2.Rxd5#
- 1...Se2
- 2.Rd5#
- 1...Sg2
- 2.Rd5#
- 1...Sd3
- 2.Rd5#
- 1...Sh3
- 2.Rd5#
- 1...Sg6
- 2.Rd5#
- 1...Sg5
- 2.Qc4#
- 1...Sc7
- 2.Qc4#
- 1...Sg7
- 2.Qc4#
- 1...Sd8
- 2.Qc4#
- 1...Sf8
- 2.Qc4#
- 1...Kxd4!
- 1...Sxh5
- 1.Rd1?
- threat
- 2.b4#
- 1...Sd5
- 2.Rxd5#
- 1...Sd4
- 2.Sb7#
- 1...Sd3!
- threat
- 1.Rd2?
- threat
- 2.b4#
- 1...Sd5
- 2.Rxd5#
- 1...Sd4
- 2.Sb7#
- 1...Sd3!
- threat
- 1.Rd3?
- threat
- 2.b4#
- 1...Sd5
- 2.Rxd5#
- 1...Sd4
- 2.Sb7#
- 1...Sxd3!
- threat
- 1.Rxe5+?
- 1...Sd5
- 2.Rdxd5#
- 2.Rexd5#
- 1...Kxd4!
- 1...Sd5
- 1.Rf5?
- 1...Kxd4
- 2.Qg1#
- 1...Sxd4
- 2.Sb7#
- 1...Sd5
- 2.Rxd5#
- 1...Se2
- 2.Rd5#
- 1...Sg2
- 2.Rd5#
- 1...Sd3
- 2.Rd5#
- 1...Sh3
- 2.Rd5#
- 1...Sh5
- 2.Rd5#
- 1...Sg6
- 2.Rd5#
- 1...Sg5
- 2.Qc4#
- 1...Sc7
- 2.Qc4#
- 1...Sg7
- 2.Qc4#
- 1...Sd8
- 2.Qc4#
- 1...Sf8
- 2.Qc4#
- 1...h5!
- 1...Kxd4
- 1.Rxh6?
- 1...Kxd4
- 2.Qg1#
- 1...Sxd4
- 2.Sb7#
- 2.Qc4#
- 2.b4#
- 1...Sd5
- 2.Rxd5#
- 1...Se2
- 2.Rd5#
- 1...Sg2
- 2.Rd5#
- 1...Sd3
- 2.Rd5#
- 1...Sh3
- 2.Rd5#
- 1...Sh5
- 2.Rd5#
- 1...Sg6
- 2.Rd5#
- 1...Sg5
- 2.Rc4#
- 2.Qc4#
- 1...Sc7
- 2.Rc4#
- 2.Qc4#
- 1...Sg7
- 2.Rc4#
- 2.Qc4#
- 1...Sd8
- 2.Rc4#
- 2.Qc4#
- 1...Sf8
- 2.Rc4#
- 2.Qc4#
- 1...exd4!
- 1...Kxd4
- 1.Qxe6?
- threat
- 2.Rc4#
- 2.Qc4#
- 1...Sxe6
- 2.Rd5#
- 1...Sd5
- 2.Rc4#
- 2.Rxd5#
- 2.Qxd5#
- 1...Kxd4!
- threat
- 1.Qf7?
- threat
- 2.Qa7#
- 1...Sxd4
- 2.Sb7#
- 1...Sd5
- 2.Rxd5#
- 1...Sc7
- 2.Qc4#
- 1...Kxd4!
- threat
- 1.Qg1?
- threat
- 2.Sb7#
- 2.Rd5#
- 2.b4#
- 1...Sd5
- 2.Sb7#
- 2.Rxd5#
- 1...Sd3
- 2.Sb7#
- 2.Rd5#
- 1...Sd8
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Rd5#
- 2.b4#
- 1...Sxd4!
- threat
- 1.Qb8?
- threat
- 2.Rc4#
- 2.Qa7#
- 2.Qb6#
- 1...Sxd4
- 2.Qb6#
- 2.b4#
- 1...Sd5
- 2.Rc4#
- 2.Rxd5#
- 1...Sc7
- 2.Qa7#
- 2.Qb6#
- 1...Kxd4!
- threat
- 1.Qc8+?
- 1...Kxd4
- 2.Sf5#
- 2.Qc3#
- 1...Sc7!
- 1...Kxd4
- 1.b3?
- 1...Sxh5
- 2.Rd5#
- 1...Sxd4
- 2.Sb7#
- 1...Sd5
- 2.Rxd5#
- 1...Se2
- 2.Rd5#
- 1...Sg2
- 2.Rd5#
- 1...Sd3
- 2.Rd5#
- 1...Sh3
- 2.Rd5#
- 1...Sg6
- 2.Rd5#
- 1...Sg5
- 2.Qc4#
- 1...Sc7
- 2.Qc4#
- 1...Sg7
- 2.Qc4#
- 1...Sd8
- 2.Qc4#
- 1...Sf8
- 2.Qc4#
- 1...Kxd4!
- 1...Sxh5
- 1.Bc6?
- Keys
- 1.Qg6!
- 1...Kxd4
- 2.Qg1#
- 1...Sxh5
- 2.Rd5#
- 1...Sxg6
- 2.Rd5#
- 1...Sxd4
- 2.b4#
- 1...Sd5
- 2.Rxd5#
- 1...Se2
- 2.Rd5#
- 1...Sg2
- 2.Rd5#
- 1...Sd3
- 2.Rd5#
- 1...Sh3
- 2.Rd5#
- 1...Sg5
- 2.Rc4#
- 1...Sc7
- 2.Rc4#
- 1...Sg7
- 2.Rc4#
- 1...Sd8
- 2.Rc4#
- 1...Sf8
- 2.Rc4#
- 1...Kxd4
- 1.Qg6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(b);N_SPINP(c),OGATEB,S_FLIGHT,XR(C)::QAB(I)
- S(a);N_GUARD::R1(C)
- S(a);N_GUARD,N_SPINP(c)::R1(C),XS(a)
- S(a);N_GUARD,N_SPINP(c),XR(G)::R1(C)
- S(d);SBLOCK,XR(C)::S(H)
- S(d);N_SPINP(c),OGATE::QAR1(I)
- S(d);OGATE::QAR1(I)
- Tries
- Try
- B(D);
- Vars
- S(a);N_GUARD,N_SPINP(c),XR(G)::R1(C)
- S(a);N_GUARD,N_SPINP(c)::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- S(d);N_SPINP(c),OGATE::QAR1(I)
- S(d);OGATE::QAR1(I)
- Refutation
- K(b);N_SPINP(c),S_FLIGHT,XR(C)
- Try
- B(D);
- Vars
- S(a);N_GUARD,N_SPINP(c),XR(G)::R1(C)
- S(d);SBLOCK,XR(C)::S(H)
- S(a);N_GUARD,N_SPINP(c)::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- S(d);N_SPINP(c),OGATE::QAR1(I)
- S(d);OGATE::QAR1(I)
- Refutation
- K(b);N_SPINP(c),S_FLIGHT,XR(C)
- Try
- B(D);
- Vars
- S(a);N_GUARD,N_SPINP(c),XR(G)::R1(C)
- S(a);N_GUARD,N_SPINP(c)::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- S(d);N_SPINP(c),OGATE::QAR1(I)
- S(d);OGATE::QAR1(I)
- Refutation
- K(b);N_SPINP(c),S_FLIGHT,XR(C)
- Try
- R(C);
- Threat
- P(A)
- Vars
- S(a);N_GUARD,N_SPINP(c)::R1(C),XS(a)
- S(d);::S(H)
- Refutation
- S(a);
- Try
- R(C);
- Threat
- P(A)
- Vars
- S(a);N_GUARD,N_SPINP(c)::R1(C),XS(a)
- S(d);::S(H)
- Refutation
- S(a);
- Try
- R(C);
- Threat
- P(A)
- Vars
- S(a);N_GUARD,N_SPINP(c)::R1(C),XS(a)
- S(d);::S(H)
- Refutation
- S(a);XR(C)
- Try
- R(G);CHECK,XP(c)
- Refutation
- K(b);S_FLIGHT,XR(C)
- Try
- R(G);
- Vars
- K(b);N_SPINP(c),OGATEB,S_FLIGHT,XR(C)::QAB(I)
- S(d);SBLOCK,XR(C)::S(H)
- S(a);N_GUARD,N_SPINP(c)::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- S(d);OGATE::QAR1(I)
- Refutation
- P(e);
- Try
- R(G);N_PINP(c),XP(e)
- Vars
- K(b);OGATEB,S_FLIGHT,XR(C)::QAB(I)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- Refutation
- P(c);XR(C)
- Try
- Q(I);XS(d)
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD,XQ(I)::R1(C)
- Refutation
- K(b);N_SPINP(c),S_FLIGHT,XR(C)
- Try
- Q(I);
- Threat
- QAB(I)
- Vars
- S(d);SBLOCK,XR(C)::S(H)
- S(a);N_GUARD,N_SPINP(c)::R1(C),XS(a)
- S(d);OGATE::QAR1(I)
- Refutation
- K(b);N_SPINP(c),S_FLIGHT,XR(C)
- Try
- Q(I);
- Threat
- DUALS(3)
- Refutation
- S(d);P_SPINS(d),XR(C)
- Try
- Q(I);
- Threat
- DUALS(3)
- Refutation
- K(b);N_SPINP(c),S_FLIGHT,XR(C)
- Try
- Q(I);CHECK
- Refutation
- S(d);P_SPINS(d)
- Try
- P(A);
- Vars
- S(a);N_GUARD,N_SPINP(c),XR(G)::R1(C)
- S(d);SBLOCK,XR(C)::S(H)
- S(a);N_GUARD,N_SPINP(c)::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- S(d);N_SPINP(c),OGATE::QAR1(I)
- S(d);OGATE::QAR1(I)
- Refutation
- K(b);N_SPINP(c),S_FLIGHT,XR(C)
- Try
- Actual
- Q(I);
- Vars
- K(b);N_SPINP(c),OGATEB,S_FLIGHT,XR(C)::QAB(I)
- S(a);N_GUARD,N_SPINP(c),XR(G)::R1(C)
- S(a);N_GUARD,XQ(I)::R1(C)
- S(d);SBLOCK,XR(C)::P(A)
- S(a);N_GUARD,N_SPINP(c)::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- S(d);N_SPINP(c)::R1(C)
- S(d);::R1(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).