MESON Chess Problem Database
Problem Display
PID: 103273 (7Q/1N3p2/K4n2/pR1Pk1p1/3NB1R1/1Pq5/8/r1B5 w - - 0 1)
Madsen, Arthur Valdemar
Budapest Chess Club, 1931
#2
10 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kxd4
- 2.Qxf6#
- 1...Qe1
- 2.Sf3#
- 2.Sc6#
- 1...Qb2
- 2.Sf3#
- 2.Sc6#
- 1...Qd2
- 2.Sf3#
- 2.Sc6#
- 1...Qb4
- 2.Sf3#
- 2.Sc6#
- 1...Qxd4
- 2.Qh2#
- 2.Qb8#
- 1...Qxc1
- 2.Sf3#
- 1...Qc2
- 2.Sf3#
- 1...Qxb3
- 2.Sc6#
- 1...Qd3
- 2.Sc6#
- 1...Qe3
- 2.Sc6#
- 1...Qf3
- 2.Sxf3#
- 2.Sc6#
- 1...Qg3
- 2.Sc6#
- 1...Qh3
- 2.Sc6#
- 1...Qc4
- 2.Sf3#
- 1...Qc5
- 2.Sf3#
- 1...Qc6+
- 2.Sxc6#
- 1...Qc7
- 2.Sf3#
- 1...Qc8
- 2.Sf3#
- 1...Kxd4
- Tries
- 1.Bb2?
- threat
- 2.Sf3#
- 2.Sc6#
- 1...Qc6+
- 2.Sxc6#
- 2.dxc6#
- 1...Qxd4
- 2.Qh2#
- 2.Qb8#
- 1...Qf3
- 2.Sxf3#
- 2.Sc6#
- 2.Qb8#
- 2.d6#
- 1...Rf1
- 2.Sc6#
- 1...Kxd4!
- threat
- 1.Be3?
- threat
- 2.Sf3#
- 2.Qh2#
- 1...Qc6+
- 2.Sxc6#
- 2.dxc6#
- 1...Qxd4
- 2.Qh2#
- 2.Qb8#
- 1...Qxe3
- 2.Sc6#
- 1...Qe1
- 2.Sf3#
- 2.Sc6#
- 2.Qb8#
- 2.d6#
- 1...Qb2
- 2.Sf3#
- 2.Sc6#
- 2.Qb8#
- 2.d6#
- 1...Qd2
- 2.Sf3#
- 2.Sc6#
- 2.Qb8#
- 2.d6#
- 1...Qc2
- 2.Sf3#
- 1...Rg1
- 2.Sf3#
- 1...Rh1
- 2.Sf3#
- 1...Ra2
- 2.Sf3#
- 1...Rf1!
- threat
- 1.Bxg5?
- threat
- 2.Bxf6#
- 2.Qxf6#
- 1...Qc6+
- 2.Sxc6#
- 1...Kxd4
- 2.Qxf6#
- 1...Qf3
- 2.Sxf3#
- 2.Sc6#
- 1...Rf1!
- threat
- 1.Bh1?
- threat
- 2.Re4#
- 1...Qc6+
- 2.dxc6#
- 1...Qxd4
- 2.Rxg5#
- 1...Qe1
- 2.Qb8#
- 2.d6#
- 1...Qd3
- 2.Qb8#
- 1...Qe3
- 2.Qb8#
- 2.d6#
- 1...Qf3
- 2.Qb8#
- 1...Qc5
- 2.Qh2#
- 1...Qc2!
- threat
- 1.Bd3?
- threat
- 2.Sf3#
- 2.Re4#
- 2.Qh2#
- 1...Qc6+
- 2.Sxc6#
- 2.dxc6#
- 1...Qxd4
- 2.Rxg5#
- 2.Qb8#
- 1...Qxc1
- 2.Sf3#
- 2.Re4#
- 1...Qxd3
- 2.Qb8#
- 1...Qe1
- 2.Sf3#
- 2.Sc6#
- 2.Qb8#
- 2.d6#
- 1...Qb2
- 2.Sf3#
- 2.Sc6#
- 2.Re4#
- 2.Qb8#
- 2.d6#
- 1...Qd2
- 2.Sf3#
- 2.Sc6#
- 2.Re4#
- 2.Qb8#
- 2.d6#
- 1...Qc2
- 2.Sf3#
- 2.Re4#
- 1...Ra2
- 2.Sf3#
- 2.Re4#
- 1...Qc5!
- threat
- 1.Bf3?
- threat
- 2.Re4#
- 2.Qh2#
- 1...Qc6+
- 2.dxc6#
- 1...Qxd4
- 2.Rxg5#
- 1...Qxc1
- 2.Re4#
- 1...Qxf3
- 2.Qb8#
- 1...Qe1
- 2.Qb8#
- 2.d6#
- 1...Qb2
- 2.Re4#
- 2.Qb8#
- 2.d6#
- 1...Qd2
- 2.Re4#
- 2.Qb8#
- 2.d6#
- 1...Qd3
- 2.Qh2#
- 2.Qb8#
- 1...Qe3
- 2.Qb8#
- 2.d6#
- 1...Qc5
- 2.Qh2#
- 1...Ra2
- 2.Re4#
- 1...Qc2!
- threat
- 1.Bh7?
- threat
- 2.Re4#
- 1...Qc6+
- 2.Sxc6#
- 2.dxc6#
- 1...Qxd4
- 2.Rxg5#
- 2.Qb8#
- 1...Qe1
- 2.Sf3#
- 2.Sc6#
- 2.Qb8#
- 2.d6#
- 1...Qc2
- 2.Sf3#
- 1...Qd3
- 2.Sc6#
- 2.Qb8#
- 1...Qe3
- 2.Sc6#
- 2.Qb8#
- 2.d6#
- 1...Qf3
- 2.Sxf3#
- 2.Sc6#
- 2.Qb8#
- 1...Qc5!
- threat
- 1.Rf4?
- threat
- 2.Qxf6#
- 1...Qc6+
- 2.Sxc6#
- 1...Kxd4
- 2.Qxf6#
- 1...gxf4!
- threat
- 1.Qh2+?
- 1...Qg3
- 2.Sf3#
- 2.Sc6#
- 1...Kxd4!
- 1...Qg3
- 1.Qb8+?
- 1...Qc7
- 2.Sf3#
- 2.Sc6#
- 1...Kxd4!
- 1...Qc7
- 1.d6+?
- 1...Kxd4
- 2.Bb1#
- 2.Bc2#
- 2.Bf5#
- 2.Bg6#
- 2.Bh7#
- 2.Rd5#
- 2.Qxf6#
- 1...Qc5!
- 1...Kxd4
- 1.Bb2?
- Keys
- 1.Bg2!
- threat
- 2.Re4#
- 1...Qc6+
- 2.dxc6#
- 1...Qxd4
- 2.Rxg5#
- 1...Qe1
- 2.Qb8#
- 2.d6#
- 1...Qc2
- 2.Qh2#
- 1...Qd3
- 2.Qb8#
- 1...Qe3
- 2.Qb8#
- 2.d6#
- 1...Qf3
- 2.Qb8#
- 1...Qc5
- 2.Qh2#
- threat
- 1.Bg2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 2
- REMOVED MATES = 9
- Sets
- K(d);S_FLIGHT,XS(C)::QAB(J),XS(f)
- Q(b);N_GUARD,XB(A)::S(C)
- Q(b);N_GUARD::S(C)
- Q(b);N_GUARD,XP(B)::S(C)
- Q(b);N_GUARD,P_PINR(F)::S(C)
- Q(b);CHECK,N_GUARD::S(C),XQ(b)
- Q(b);N_GUARD,P_PINS(I)::S(C)
- Tries
- Try
- B(A);
- Threat
- DUALS(2)
- Vars
- R(a);::S(C)
- Refutation
- K(d);P_SPINQ(b),S_FLIGHT,XS(C)
- Try
- B(A);
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD,XB(A)::S(C)
- Q(b);::S(C)
- R(a);::S(C)
- Refutation
- R(a);
- Try
- B(A);XP(e)
- Threat
- DUALS(2)
- Vars
- Q(b);CHECK,N_GUARD::S(C),XQ(b)
- K(d);S_FLIGHT,XS(C)::QAB(J),XS(f)
- Refutation
- R(a);
- Try
- B(D);
- Threat
- R1(E)
- Vars
- Q(b);CHECK,OGATE::R(F)+P(G),XQ(b)
- Q(b);SBLOCK,XS(C)::R(E),XP(e)
- Q(b);N_GUARD,P_PINR(F)::QAB(J)
- Q(b);N_GUARD::QAB(J)
- Refutation
- Q(b);
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- Q(b);N_GUARD,P_PINR(F),XB(D)::QAB(J)
- Refutation
- Q(b);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- Q(b);CHECK,OGATE::R(F)+P(G),XQ(b)
- Q(b);SBLOCK,XS(C)::R(E),XP(e)
- Q(b);XB(A)::R1(E)
- Q(b);N_GUARD,XB(D)::QAB(J)
- Q(b);::QAB(J)
- R(a);::R1(E)
- Refutation
- Q(b);
- Try
- B(D);
- Threat
- R1(E)
- Vars
- Q(b);N_GUARD::S(C)
- Refutation
- Q(b);
- Try
- R(E);
- Threat
- QAB1(J),XS(f)
- Vars
- Q(b);CHECK,N_GUARD::S(C),XQ(b)
- K(d);S_FLIGHT,XS(C)::QAB(J),XS(f)
- Refutation
- P(e);XR(E)
- Try
- Q(J);CHECK,N_PINS(f)
- Refutation
- K(d);S_FLIGHT,XS(C)
- Try
- Q(J);CHECK,N_PINS(f)
- Refutation
- K(d);S_FLIGHT,XS(C)
- Try
- P(G);CHECK
- Refutation
- Q(b);P_SPINQ(b)
- Try
- Actual
- B(D);
- Threat
- R1(E)
- Vars
- Q(b);CHECK,OGATE::R(F)+P(G),XQ(b)
- Q(b);SBLOCK,XS(C)::R(E),XP(e)
- Q(b);N_GUARD::QAB(J)
- Q(b);N_GUARD,P_PINR(F)::QAB(J)
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).