MESON Chess Problem Database
Problem Display
PID: 153 (8/B5Q1/2P1P2p/pN1k2nR/P2p2P1/1pbN4/1P2K3/2R5 w - - 0 1)
Jorgensen, Walther Martinus Johannes
1st Prize, Arbejder-Skak, 1950-1951
#2
12 + 7
| 3147 | Chess Problems: Introduction to an Art | 1963 |
| 3105 | FIDE Album (1945-1955) | 1964 |
| 6479 | Problemschach (Sidler) | 1968 |
| 102 | Probleemblad | 1975 |
| 16882 | KSG-Problemschach 1969-1987 (Muck/Laue) | 1993 |
| 273 | Mat Plus | 1994 |
SOLUTION
- SOUND
- Sets
- 1...Kc4
- 2.Qxd4#
- 1...Ke4
- 2.Qe5#
- 1...Kxc6
- 2.Qd7#
- 1...Kxe6
- 2.Sf4#
- 1...Be1
- 2.Qe5#
- 1...Bxb2
- 2.Qe5#
- 1...Bd2
- 2.Qe5#
- 1...Bb4
- 2.Qe5#
- 1...Kc4
- Tries
- 1.Kd1?
- 1...Kc4
- 2.Qxd4#
- 1...Kxc6
- 2.Qd7#
- 1...Kxe6
- 2.Sf4#
- 1...Bxb2
- 2.Qe5#
- 1...Be1
- 2.Qe5#
- 1...Bd2
- 2.Qe5#
- 1...Bb4
- 2.Qe5#
- 1...Ke4!
- 1...Kc4
- 1.Kf1?
- 1...Kc4
- 2.Qxd4#
- 1...Kxc6
- 2.Qd7#
- 1...Kxe6
- 2.Sf4#
- 1...Bxb2
- 2.Qe5#
- 1...Be1
- 2.Qe5#
- 1...Bd2
- 2.Qe5#
- 1...Bb4
- 2.Qe5#
- 1...Ke4!
- 1...Kc4
- 1.Sf4+?
- 1...Kc4
- 2.Qxd4#
- 1...Kxc6
- 2.Qc7#
- 2.Qd7#
- 1...Ke4!
- 1...Kc4
- 1.Sa3?
- 1...Ke4
- 2.Qe5#
- 1...Kxc6
- 2.Qd7#
- 1...Kd6
- 2.Qd7#
- 1...Bxb2
- 2.Qe5#
- 1...Be1
- 2.Qe5#
- 1...Bd2
- 2.Qe5#
- 1...Bb4
- 2.Qe5#
- 1...Kxe6!
- 1...Ke4
- 1.Sxc3+?
- 1...Kc4
- 2.Qxd4#
- 1...Kxc6
- 2.Qd7#
- 1...Kd6
- 2.Qd7#
- 1...Kxe6
- 2.Rxh6#
- 1...dxc3!
- 1...Kc4
- 1.Sd6?
- 1...Kxd6
- 2.Qd7#
- 1...Kxe6
- 2.Qe5#
- 1...Bxb2
- 2.Qe5#
- 1...Be1
- 2.Qe5#
- 1...Bd2
- 2.Qe5#
- 1...Bb4
- 2.Qe5#
- 1...Kxc6!
- 1...Kxd6
- 1.Sc7+?
- 1...Kc4
- 2.Qxd4#
- 1...Ke4
- 2.Qe5#
- 2.Qg6#
- 1...Kd6
- 2.Qd7#
- 1...Kxc6!
- 1...Kc4
- 1.Bb6?
- 1...Kc4
- 2.Qxd4#
- 1...Ke4
- 2.Qe5#
- 1...Kxe6
- 2.Sf4#
- 1...Bxb2
- 2.Qe5#
- 1...Be1
- 2.Qe5#
- 1...Bd2
- 2.Qe5#
- 1...Bb4
- 2.Qe5#
- 1...Kxc6!
- 1...Kc4
- 1.Bb8?
- 1...Kc4
- 2.Qxd4#
- 1...Ke4
- 2.Qe5#
- 1...Kxe6
- 2.Sf4#
- 1...Bxb2
- 2.Qe5#
- 1...Be1
- 2.Qe5#
- 1...Bd2
- 2.Qe5#
- 1...Bb4
- 2.Qe5#
- 1...Kxc6!
- 1...Kc4
- 1.Rc2?
- 1...Kc4
- 2.Qxd4#
- 1...Ke4
- 2.Qe5#
- 1...Kxc6
- 2.Qd7#
- 1...Kxe6
- 2.Sf4#
- 1...Bxb2
- 2.Qe5#
- 1...Be1
- 2.Qe5#
- 1...Bd2
- 2.Qe5#
- 1...Bb4
- 2.Qe5#
- 1...bxc2!
- 1...Kc4
- 1.Rxc3?
- threat
- 2.Qe5#
- 1...Ke4
- 2.Qxd4#
- 2.Qe5#
- 1...Kxe6
- 2.Sf4#
- 1...dxc3!
- threat
- 1.Rxg5+?
- 1...Kc4
- 2.Sa3#
- 2.Sd6#
- 2.Rc5#
- 2.Qxd4#
- 1...Ke4
- 2.Sd6#
- 2.Re5#
- 2.Qe5#
- 2.Qg6#
- 2.Qh7#
- 1...Kxc6
- 2.Rc5#
- 2.Qc7#
- 2.Qd7#
- 1...Kxe6
- 2.Sf4#
- 2.Sc5#
- 2.Re5#
- 1...hxg5!
- 1...Kc4
- 1.Qe5+?
- 1...Kc4
- 2.Sa3#
- 2.Sd6#
- 2.Qxd4#
- 2.Qc5#
- 1...Kxc6!
- 1...Kc4
- 1.Qf6?
- 1...Kc4
- 2.Qxd4#
- 1...Ke4
- 2.Qe5#
- 2.Qf5#
- 1...Bxb2
- 2.Qe5#
- 2.Qf5#
- 1...Be1
- 2.Qe5#
- 2.Qf5#
- 1...Bd2
- 2.Qe5#
- 2.Qf5#
- 1...Bb4
- 2.Qe5#
- 2.Qf5#
- 1...Kxc6!
- 1...Kc4
- 1.Qh8?
- 1...Kc4
- 2.Qxd4#
- 1...Ke4
- 2.Qe5#
- 1...Kxc6
- 2.Qa8#
- 1...Bxb2
- 2.Qe5#
- 1...Be1
- 2.Qe5#
- 1...Bd2
- 2.Qe5#
- 1...Bb4
- 2.Qe5#
- 1...Kxe6!
- 1...Kc4
- 1.Qd7+?
- 1...Kc4
- 2.Sa3#
- 2.Qxd4#
- 1...Ke4!
- 1...Kc4
- 1.Qf7?
- 1...Ke4
- 2.Qf5#
- 1...Kxc6
- 2.Qd7#
- 1...Bxb2
- 2.Qf5#
- 1...Be1
- 2.Qf5#
- 1...Bd2
- 2.Qf5#
- 1...Bb4
- 2.Qf5#
- 1...Kc4!
- 1...Ke4
- 1.c7?
- 1...Kc4
- 2.Qxd4#
- 1...Ke4
- 2.Qe5#
- 1...Kxe6
- 2.Sf4#
- 1...Bxb2
- 2.Qe5#
- 1...Be1
- 2.Qe5#
- 1...Bd2
- 2.Qe5#
- 1...Bb4
- 2.Qe5#
- 1...Kc6!
- 1...Kc4
- 1.e7?
- 1...Kc4
- 2.Qxd4#
- 1...Ke4
- 2.Qe5#
- 1...Ke6
- 2.Sf4#
- 1...Bxb2
- 2.Qe5#
- 1...Be1
- 2.Qe5#
- 1...Bd2
- 2.Qe5#
- 1...Bb4
- 2.Qe5#
- 1...Kxc6!
- 1...Kc4
- 1.Kd1?
- Keys
- 1.Qf8!
- 1...Kc4
- 2.Qc5#
- 1...Ke4
- 2.Qf5#
- 1...Kxc6
- 2.Qa8#
- 1...Kxe6
- 2.Sc7#
- 1...Bxb2
- 2.Qf5#
- 1...Be1
- 2.Qf5#
- 1...Bd2
- 2.Qf5#
- 1...Bb4
- 2.Qf5#
- 1...Kc4
- 1.Qf8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT::QAR1(L),XP(c)
- K(e);N_SPINS(f),S_FLIGHT::QAR1(L)
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT,XP(I)::QAB1(L)
- K(e);N_SPINS(f),S_FLIGHT,XP(J)::S(D)
- B(b);::QAR1(L)
- B(b);XP(B)::QAR1(L)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT::QAR1(L),XP(c)
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT,XP(I)::QAB1(L)
- K(e);N_SPINS(f),S_FLIGHT,XP(J)::S(D)
- B(b);XP(B)::QAR1(L)
- B(b);::QAR1(L)
- Refutation
- K(e);N_SPINS(f),S_FLIGHT
- Try
- K(C);S_FLIGHT
- Vars
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT::QAR1(L),XP(c)
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT,XP(I)::QAB1(L)
- K(e);N_SPINS(f),S_FLIGHT,XP(J)::S(D)
- B(b);XP(B)::QAR1(L)
- B(b);::QAR1(L)
- Refutation
- K(e);N_SPINS(f),S_FLIGHT
- Try
- S(D);CHECK
- Vars
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT::QAR1(L),XP(c)
- Refutation
- K(e);N_SPINS(f),S_FLIGHT
- Try
- S(G);
- Vars
- K(e);N_SPINS(f),S_FLIGHT::QAR1(L)
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT,XP(I)::QAB1(L)
- K(e);N_SPINS(f),P-FLIGHT::QAR1(L)
- B(b);XP(B)::QAR1(L)
- B(b);::QAR1(L)
- Refutation
- K(e);N_SPINS(f),S_FLIGHT,XP(J)
- Try
- S(G);CHECK,XB(b)
- Vars
- K(e);N_SPINS(f),S_FLIGHT::QAR1(L),XP(c)
- K(e);N_SPINS(f),S_FLIGHT,XP(I)::QAB1(L)
- K(e);N_SPINS(f),P-FLIGHT::QAR1(L)
- K(e);N_SPINS(f),S_FLIGHT,XP(J)::R(H),XP(g)
- Refutation
- P(c);XS(G)
- Try
- S(G);
- Vars
- K(e);N_SPINS(f),OGATEB,P-FLIGHT,XS(G)::QAR1(L)
- K(e);N_SPINS(f),S_FLIGHT,XP(J)::QAR1(L)
- B(b);XP(B)::QAR1(L)
- B(b);::QAR1(L)
- Refutation
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT,XP(I)
- Try
- S(G);CHECK
- Vars
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT::QAR1(L),XP(c)
- K(e);N_SPINS(f),P-FLIGHT::QAR1(L)
- Refutation
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT,XP(I)
- Try
- B(K);
- Vars
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT::QAR1(L),XP(c)
- K(e);N_SPINS(f),S_FLIGHT::QAR1(L)
- K(e);N_SPINS(f),S_FLIGHT,XP(J)::S(D)
- B(b);XP(B)::QAR1(L)
- B(b);::QAR1(L)
- Refutation
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT,XP(I)
- Try
- B(K);
- Vars
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT::QAR1(L),XP(c)
- K(e);N_SPINS(f),S_FLIGHT::QAR1(L)
- K(e);N_SPINS(f),S_FLIGHT,XP(J)::S(D)
- B(b);XP(B)::QAR1(L)
- B(b);::QAR1(L)
- Refutation
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT,XP(I)
- Try
- R(A);
- Vars
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT::QAR1(L),XP(c)
- K(e);N_SPINS(f),S_FLIGHT::QAR1(L)
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT,XP(I)::QAB1(L)
- K(e);N_SPINS(f),S_FLIGHT,XP(J)::S(D)
- B(b);XP(B)::QAR1(L)
- B(b);::QAR1(L)
- Refutation
- P(a);XR(A)
- Try
- R(A);XB(b)
- Threat
- QAR1(L)
- Vars
- K(e);N_SPINS(f),S_FLIGHT,XP(J)::S(D)
- Refutation
- P(c);XR(A)
- Try
- R(H);CHECK,XS(f)
- Refutation
- P(g);XR(H)
- Try
- Q(L);CHECK,N_PINS(f)
- Refutation
- K(e);P_SPINB(b),S_FLIGHT,XP(I)
- Try
- Q(L);
- Vars
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT::QAR1(L),XP(c)
- Refutation
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT,XP(I)
- Try
- Q(L);
- Vars
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT::QAR1(L),XP(c)
- K(e);N_SPINS(f),S_FLIGHT::QAR1(L)
- K(e);N_SPINS(f),OGATEB,P_SPINB(b),S_FLIGHT,XP(I)::QAB(L)
- B(b);XP(B)::QAR1(L)
- B(b);::QAR1(L)
- Refutation
- K(e);N_SPINS(f),S_FLIGHT,XP(J)
- Try
- Q(L);CHECK
- Refutation
- K(e);N_SPINS(f),S_FLIGHT
- Try
- Q(L);
- Vars
- K(e);N_SPINS(f),S_FLIGHT::QAB1(L)
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT,XP(I)::QAB1(L)
- B(b);XP(B)::QAR2(L)
- B(b);::QAR2(L)
- Refutation
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT
- Try
- P(I);
- Vars
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT::QAR1(L),XP(c)
- K(e);N_SPINS(f),S_FLIGHT::QAR1(L)
- K(e);N_SPINS(f),S_FLIGHT,XP(J)::S(D)
- B(b);XP(B)::QAR1(L)
- B(b);::QAR1(L)
- Refutation
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT
- Try
- P(J);
- Vars
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT::QAR1(L),XP(c)
- K(e);N_SPINS(f),S_FLIGHT::QAR1(L)
- K(e);N_SPINS(f),S_FLIGHT::S(D)
- B(b);XP(B)::QAR1(L)
- B(b);::QAR1(L)
- Refutation
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT,XP(I)
- Try
- Actual
- Q(L);
- Vars
- K(e);N_SPINS(f),P_SPINB(b),S_FLIGHT::QAR1(L)
- K(e);N_SPINS(f),S_FLIGHT::QAB1(L)
- K(e);N_SPINS(f),OGATEB,P_SPINB(b),S_FLIGHT,XP(I)::QAB(L)
- K(e);N_SPINS(f),S_FLIGHT,XP(J)::S(G)
- B(b);XP(B)::QAR2(L)
- B(b);::QAR2(L)
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).