MESON Chess Problem Database
Problem Display
PID: 160761 (2N4N/B2B2K1/7R/2p1k1n1/R1n1P3/2PbrpP1/3Q1P2/8 w - - 0 1)
Jorgensen, Walther Martinus Johannes
Arbejder-Skak, 1943
#2
12 + 7
| 15593 | 170 Skakopgaver (Jorgensen) | 1975 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Qf4#
- 1...Re2
- 2.Qf4#
- 1...Rxe4
- 2.Qxg5#
- 1...Bb1
- 2.Qd5#
- 1...Bf1
- 2.Qd5#
- 1...Bc2
- 2.Qd5#
- 1...Be2
- 2.Qd5#
- 1...Sb2
- 2.Sg6#
- 2.Bb8#
- 1...Sxd2
- 2.Sg6#
- 2.Bb8#
- 1...Sa3
- 2.Sg6#
- 2.Bb8#
- 1...Sa5
- 2.Sg6#
- 2.Bb8#
- 1...Sb6
- 2.Sg6#
- 2.Bb8#
- 1...Sd6
- 2.Sg6#
- 1...Sh3
- 2.Re6#
- 1...Se6+
- 2.Rxe6#
- 1...Sf7
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...Re1
- Tries
- 1.Se7?
- 1...Se6+
- 2.Rxe6#
- 1...Kxe4
- 2.Qxe3#
- 1...Rxe4
- 2.Qxg5#
- 1...Sxd2
- 2.Sc6#
- 2.Bb8#
- 1...Sxe4
- 2.Sf7#
- 2.Re6#
- 1...Re1
- 2.Qf4#
- 1...Re2
- 2.Qf4#
- 1...Bb1
- 2.Qd5#
- 1...Bf1
- 2.Qd5#
- 1...Bc2
- 2.Qd5#
- 1...Be2
- 2.Qd5#
- 1...Sb2
- 2.Sc6#
- 2.Bb8#
- 1...Sa3
- 2.Sc6#
- 2.Bb8#
- 1...Sa5
- 2.Bb8#
- 1...Sb6
- 2.Sc6#
- 2.Bb8#
- 1...Sd6
- 2.Sc6#
- 2.Seg6#
- 2.Shg6#
- 1...Sh3
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...Bxe4!
- 1...Se6+
- 1.Sf7+?
- 1...Sxf7
- 2.Re6#
- 1...Kxe4!
- 1...Sxf7
- 1.Bb8+?
- 1...Sd6
- 2.Sg6#
- 2.Bxd6#
- 1...Kxe4!
- 1...Sd6
- 1.Rh5?
- 1...Rxe4
- 2.Rxg5#
- 2.Qxg5#
- 1...Bxe4
- 2.Sf7#
- 1...Sxd2
- 2.Sg6#
- 2.Sf7#
- 2.Bb8#
- 2.Rxg5#
- 1...Re1
- 2.Qf4#
- 1...Re2
- 2.Qf4#
- 1...Bb1
- 2.Qd5#
- 1...Bf1
- 2.Qd5#
- 1...Bc2
- 2.Qd5#
- 1...Be2
- 2.Qd5#
- 1...Sb2
- 2.Sg6#
- 2.Sf7#
- 2.Bb8#
- 2.Rxg5#
- 1...Sa3
- 2.Sg6#
- 2.Sf7#
- 2.Bb8#
- 2.Rxg5#
- 1...Sa5
- 2.Sg6#
- 2.Sf7#
- 2.Bb8#
- 2.Rxg5#
- 1...Sb6
- 2.Sg6#
- 2.Sf7#
- 2.Bb8#
- 2.Rxg5#
- 1...Sd6
- 2.Sg6#
- 1...Kxe4!
- 1...Rxe4
- 1.Rd6?
- 1...Se6+
- 2.Rxe6#
- 1...Kxe4
- 2.Qxe3#
- 1...Rxe4
- 2.Sg6#
- 2.Qxg5#
- 1...Sxd2
- 2.Sg6#
- 2.Rd5#
- 1...Sxd6
- 2.Sg6#
- 1...Sxe4
- 2.Sg6#
- 2.Sf7#
- 1...Re1
- 2.Qf4#
- 1...Re2
- 2.Qf4#
- 1...Bb1
- 2.Qd5#
- 1...Bf1
- 2.Qd5#
- 1...Bc2
- 2.Qd5#
- 1...Be2
- 2.Qd5#
- 1...Sb2
- 2.Sg6#
- 2.Rd5#
- 1...Sa3
- 2.Sg6#
- 2.Rd5#
- 1...Sa5
- 2.Sg6#
- 2.Rd5#
- 1...Sb6
- 2.Sg6#
- 1...Sh3
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...Bxe4!
- 1...Se6+
- 1.Qxe3?
- threat
- 2.Sg6#
- 2.Qf4#
- 1...Se6+
- 2.Rxe6#
- 1...Sxe3
- 2.Sg6#
- 2.Bb8#
- 1...Sxe4
- 2.Rh5#
- 1...Sh3
- 2.Sg6#
- 2.Sf7#
- 2.Re6#
- 1...Bxe4!
- threat
- 1.Qxd3?
- threat
- 2.Sg6#
- 2.Qd5#
- 1...Se6+
- 2.Rxe6#
- 1...Rxe4
- 2.Sg6#
- 1...Sxe4
- 2.Sg6#
- 2.Sf7#
- 1...Sb6
- 2.Sg6#
- 2.Bb8#
- 2.Qd6#
- 1...Rxd3!
- threat
- 1.Se7?
- Keys
- 1.Sb6!
- 1...Se6+
- 2.Rxe6#
- 1...Kxe4
- 2.Qxe3#
- 1...Rxe4
- 2.Qxg5#
- 1...Bxe4
- 2.Sxc4#
- 1...Sxd2
- 2.Bb8#
- 1...Sxb6
- 2.Bb8#
- 1...Sxe4
- 2.Sf7#
- 1...Re1
- 2.Qf4#
- 1...Re2
- 2.Qf4#
- 1...Bb1
- 2.Qd5#
- 1...Bf1
- 2.Qd5#
- 1...Bc2
- 2.Qd5#
- 1...Be2
- 2.Qd5#
- 1...Sb2
- 2.Bb8#
- 1...Sa3
- 2.Bb8#
- 1...Sa5
- 2.Bb8#
- 1...Sd6
- 2.Sg6#
- 1...Sh3
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...Sh7
- 2.Re6#
- 1...Se6+
- 1.Sb6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- R(b);OGATE::QAB1(A)
- R(b);OGATE,SBLOCK,XP(F)::QAR2(A),XS(g)
- B(a);OGATE::QAR1(A)
- S(d);::S(L)
- S(g);N_GUARD::R1(G)
- S(g);CHECK,N_GUARD::R1(G),XS(g)
- Tries
- Try
- S(K);
- Vars
- S(g);CHECK,N_GUARD::R1(G),XS(g)
- K(f);OGATEB,P-FLIGHT,P_SPINS(d),XP(F)::QAR1(A),XR(b)
- R(b);OGATE,SBLOCK,XP(F)::QAR2(A),XS(g)
- R(b);OGATE::QAB1(A)
- B(a);OGATE::QAR1(A)
- S(d);N_GUARD::B(H)
- S(g);N_GUARD::R1(G)
- Refutation
- B(a);XP(F)
- Try
- S(L);CHECK
- Vars
- S(g);XS(L)::R1(G)
- Refutation
- K(f);P-FLIGHT,P_SPINS(d),XP(F)
- Try
- B(H);CHECK
- Refutation
- K(f);P-FLIGHT,P_SPINS(d),XP(F)
- Try
- R(G);P_PINS(g)
- Vars
- B(a);SBLOCK,XP(F)::S(L)
- R(b);OGATE::QAB1(A)
- B(a);OGATE::QAR1(A)
- S(d);::S(L)
- Refutation
- K(f);N_SPINS(g),P-FLIGHT,P_SPINS(d),XP(F)
- Try
- R(G);
- Vars
- S(g);CHECK,N_GUARD::R1(G),XS(g)
- K(f);OGATEB,P-FLIGHT,P_SPINS(d),XP(F)::QAR1(A),XR(b)
- S(d);XR(G)::S(L)
- R(b);OGATE::QAB1(A)
- B(a);OGATE::QAR1(A)
- S(d);::S(L)
- S(g);N_GUARD::R1(G)
- Refutation
- B(a);XP(F)
- Try
- Q(A);XR(b)
- Threat
- DUALS(2)
- Vars
- S(g);CHECK,N_GUARD::R1(G),XS(g)
- S(g);OGATEB,P_SPINS(g),XP(F)::R(G)
- Refutation
- B(a);P_SPINB(a),XP(F)
- Try
- Q(A);XB(a)
- Threat
- DUALS(2)
- Vars
- S(g);CHECK,N_GUARD::R1(G),XS(g)
- R(b);XP(F)::S(L)
- Refutation
- R(b);XQ(A)
- Try
- Actual
- S(K);
- Vars
- S(g);CHECK,N_GUARD::R1(G),XS(g)
- K(f);OGATEB,P-FLIGHT,P_SPINS(d),XP(F)::QAR1(A),XR(b)
- R(b);OGATE,SBLOCK,XP(F)::QAR2(A),XS(g)
- B(a);N_GUARD,SBLOCK,XP(F)::S(K),XS(d)
- S(d);N_GUARD,XQ(A)::B(H)
- S(d);N_GUARD,XS(K)::B(H)
- S(g);N_GUARD,SBLOCK,XP(F)::S(L)
- R(b);OGATE::QAB1(A)
- B(a);OGATE::QAR1(A)
- S(d);N_GUARD::B(H)
- S(d);SBLOCK::S(L)
- S(g);N_GUARD::R1(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).