MESON Chess Problem Database
Problem Display
PID: 19065 (8/b1Q1p3/r2Pp1B1/4k1P1/2PN4/8/5P1n/2BK4 w - - 0 1)
Erlin, Konrad (AKA Erlinger, Konrad)
1st Prize, Budapest Chess Club, 1912
#2
9 + 6
| 3360 | Simple Two-move Themes | 1924 |
SOLUTION
- SOUND
- Sets
- 1...Kxd4
- 2.Bb2#
- 1...Ra1
- 2.Sc6#
- 1...Ra2
- 2.Sc6#
- 1...Ra3
- 2.Sc6#
- 1...Ra4
- 2.Sc6#
- 1...Ra5
- 2.Sc6#
- 1...Rb6
- 2.Qc5#
- 1...Rc6
- 2.Sxc6#
- 1...Bxd4
- 2.f4#
- 1...Bc5
- 2.Qxc5#
- 1...Bb6
- 2.Sc6#
- 1...Bb8
- 2.Qc5#
- 1...Sf1
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sg4
- 2.Sf3#
- 1...exd6
- 2.Qg7#
- 1...Kxd4
- Tries
- 1.Kc2?
- 1...Kxd4
- 2.Bb2#
- 1...Rxd6
- 2.Sc6#
- 1...Bxd4
- 2.f4#
- 1...exd6
- 2.Qg7#
- 1...Ra1
- 2.Sc6#
- 1...Ra3
- 2.Sc6#
- 1...Ra4
- 2.Sc6#
- 1...Ra5
- 2.Sc6#
- 1...Rb6
- 2.Qc5#
- 1...Rc6
- 2.Sxc6#
- 1...Bc5
- 2.Qxc5#
- 1...Bb6
- 2.Sc6#
- 1...Bb8
- 2.Qc5#
- 1...Sf1
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sg4
- 2.Sf3#
- 1...Ra2+!
- 1...Kxd4
- 1.Ke2?
- 1...Kxd4
- 2.Bb2#
- 1...Rxd6
- 2.Sc6#
- 1...Bxd4
- 2.f4#
- 1...exd6
- 2.Qg7#
- 1...Ra1
- 2.Sc6#
- 1...Ra3
- 2.Sc6#
- 1...Ra4
- 2.Sc6#
- 1...Ra5
- 2.Sc6#
- 1...Rb6
- 2.Qc5#
- 1...Rc6
- 2.Sxc6#
- 1...Bc5
- 2.Qxc5#
- 1...Bb6
- 2.Sc6#
- 1...Bb8
- 2.Qc5#
- 1...Sf1
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sg4
- 2.Sf3#
- 1...Ra2+!
- 1...Kxd4
- 1.Be3?
- threat
- 2.f4#
- 1...Sf3
- 2.Sxf3#
- 1...Ra1+!
- threat
- 1.Bb1?
- 1...Kxd4
- 2.Bb2#
- 1...Bxd4
- 2.f4#
- 1...exd6
- 2.Qg7#
- 1...Ra1
- 2.Sc6#
- 1...Ra2
- 2.Sc6#
- 1...Ra3
- 2.Sc6#
- 1...Ra4
- 2.Sc6#
- 1...Ra5
- 2.Sc6#
- 1...Rb6
- 2.Qc5#
- 1...Rc6
- 2.Sxc6#
- 1...Bc5
- 2.Qxc5#
- 1...Bb6
- 2.Sc6#
- 1...Bb8
- 2.Qc5#
- 1...Sf1
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sg4
- 2.Sf3#
- 1...Rxd6!
- 1...Kxd4
- 1.Bc2?
- 1...Kxd4
- 2.Bb2#
- 1...Bxd4
- 2.f4#
- 1...exd6
- 2.Qg7#
- 1...Ra1
- 2.Sc6#
- 1...Ra2
- 2.Sc6#
- 1...Ra3
- 2.Sc6#
- 1...Ra4
- 2.Sc6#
- 1...Ra5
- 2.Sc6#
- 1...Rb6
- 2.Qc5#
- 1...Rc6
- 2.Sxc6#
- 1...Bc5
- 2.Qxc5#
- 1...Bb6
- 2.Sc6#
- 1...Bb8
- 2.Qc5#
- 1...Sf1
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sg4
- 2.Sf3#
- 1...Rxd6!
- 1...Kxd4
- 1.Bd3?
- 1...Rxd6
- 2.Sc6#
- 1...Bxd4
- 2.f4#
- 1...exd6
- 2.Qg7#
- 1...Ra1
- 2.Sc6#
- 1...Ra2
- 2.Sc6#
- 1...Ra3
- 2.Sc6#
- 1...Ra4
- 2.Sc6#
- 1...Ra5
- 2.Sc6#
- 1...Rb6
- 2.Qc5#
- 1...Rc6
- 2.Sxc6#
- 1...Bc5
- 2.Qxc5#
- 1...Bb6
- 2.Sc6#
- 1...Bb8
- 2.Qc5#
- 1...Sf1
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sg4
- 2.Sf3#
- 1...Kxd4!
- 1...Rxd6
- 1.Bh7?
- 1...Kxd4
- 2.Bb2#
- 1...Bxd4
- 2.f4#
- 1...exd6
- 2.Qg7#
- 1...Ra1
- 2.Sc6#
- 1...Ra2
- 2.Sc6#
- 1...Ra3
- 2.Sc6#
- 1...Ra4
- 2.Sc6#
- 1...Ra5
- 2.Sc6#
- 1...Rb6
- 2.Qc5#
- 1...Rc6
- 2.Sxc6#
- 1...Bc5
- 2.Qxc5#
- 1...Bb6
- 2.Sc6#
- 1...Bb8
- 2.Qc5#
- 1...Sf1
- 2.Sf3#
- 1...Sf3
- 2.Sxf3#
- 1...Sg4
- 2.Sf3#
- 1...Rxd6!
- 1...Kxd4
- 1.dxe7+?
- 1...Kxd4
- 2.Bb2#
- 1...Rd6!
- 1...Kxd4
- 1.d7+?
- 1...Kxd4
- 2.Bb2#
- 1...Rd6!
- 1...Kxd4
- 1.Kc2?
- Keys
- 1.Ke1!
- 1...Sf3+
- 2.Sxf3#
- 1...Kxd4
- 2.Bb2#
- 1...Rxd6
- 2.Sc6#
- 1...Bxd4
- 2.f4#
- 1...exd6
- 2.Qg7#
- 1...Ra1
- 2.Sc6#
- 1...Ra2
- 2.Sc6#
- 1...Ra3
- 2.Sc6#
- 1...Ra4
- 2.Sc6#
- 1...Ra5
- 2.Sc6#
- 1...Rb6
- 2.Qc5#
- 1...Rc6
- 2.Sxc6#
- 1...Bc5
- 2.Qxc5#
- 1...Bb6
- 2.Sc6#
- 1...Bb8
- 2.Qc5#
- 1...Sf1
- 2.Sf3#
- 1...Sg4
- 2.Sf3#
- 1...Sf3+
- 1.Ke1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(b);OGATEB,S_FLIGHT,XS(E)::B(A)
- R(c);N_GUARD,P_PINB(A)::S(E)
- R(c);N_GUARD::S(E)
- R(c);S_CUTB(e)::QAR2(I)
- R(c);N_GUARD::S(E),XR(c)
- B(e);SBLOCK,XS(E)::P(C)
- B(e);N_GUARD::QAR2(I),XB(e)
- B(e);S_CUTR(c)::S(E)
- B(e);N_GUARD::QAR2(I)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- P(f);OGATE,P_SPINP(f),SBLOCK,XP(G)::QAB(I)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- K(b);OGATEB,S_FLIGHT,XS(E)::B(A)
- R(c);N_GUARD,P_SPINR(c),XP(G)::S(E)
- B(e);SBLOCK,XS(E)::P(C)
- P(f);OGATE,P_SPINP(f),SBLOCK,XP(G)::QAB(I)
- R(c);N_GUARD::S(E)
- R(c);S_CUTB(e)::QAR2(I)
- R(c);N_GUARD,P_PINP(D)::S(E),XR(c)
- B(e);N_GUARD::QAR2(I),XB(e)
- B(e);S_CUTR(c)::S(E)
- B(e);N_GUARD::QAR2(I)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- R(c);CHECK
- Try
- K(B);S_FLIGHT
- Vars
- K(b);OGATEB,S_FLIGHT,XS(E)::B(A)
- R(c);N_GUARD,P_SPINR(c),XP(G)::S(E)
- B(e);SBLOCK,XS(E)::P(C)
- P(f);OGATE,P_SPINP(f),SBLOCK,XP(G)::QAB(I)
- R(c);N_GUARD::S(E)
- R(c);S_CUTB(e)::QAR2(I)
- R(c);N_GUARD::S(E),XR(c)
- B(e);N_GUARD::QAR2(I),XB(e)
- B(e);S_CUTR(c)::S(E)
- B(e);N_GUARD::QAR2(I)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- R(c);CHECK
- Try
- B(A);
- Threat
- P(C)
- Vars
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- R(c);CHECK
- Try
- B(H);
- Vars
- K(b);OGATEB,S_FLIGHT,XS(E)::B(A)
- B(e);SBLOCK,XS(E)::P(C)
- P(f);OGATE,P_SPINP(f),SBLOCK,XP(G)::QAB(I)
- R(c);N_GUARD::S(E)
- R(c);S_CUTB(e)::QAR2(I)
- R(c);N_GUARD::S(E),XR(c)
- B(e);N_GUARD::QAR2(I),XB(e)
- B(e);S_CUTR(c)::S(E)
- B(e);N_GUARD::QAR2(I)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- R(c);P_PINS(E),P_SPINR(c),XP(G)
- Try
- B(H);
- Vars
- K(b);OGATEB,S_FLIGHT,XS(E)::B(A)
- B(e);SBLOCK,XS(E)::P(C)
- P(f);OGATE,P_SPINP(f),SBLOCK,XP(G)::QAB(I)
- R(c);N_GUARD,P_PINB(A)::S(E)
- R(c);N_GUARD::S(E)
- R(c);S_CUTB(e)::QAR2(I)
- R(c);N_GUARD::S(E),XR(c)
- B(e);N_GUARD::QAR2(I),XB(e)
- B(e);S_CUTR(c)::S(E)
- B(e);N_GUARD::QAR2(I)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- R(c);P_PINS(E),P_SPINR(c),XP(G)
- Try
- B(H);
- Vars
- R(c);N_GUARD,P_SPINR(c),XP(G)::S(E)
- B(e);SBLOCK,XS(E)::P(C)
- P(f);OGATE,P_SPINP(f),SBLOCK,XP(G)::QAB(I)
- R(c);N_GUARD,P_PINB(A)::S(E)
- R(c);N_GUARD::S(E)
- R(c);S_CUTB(e)::QAR2(I)
- R(c);N_GUARD::S(E),XR(c)
- B(e);N_GUARD::QAR2(I),XB(e)
- B(e);S_CUTR(c)::S(E)
- B(e);N_GUARD::QAR2(I)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- K(b);S_FLIGHT,XS(E)
- Try
- B(H);
- Vars
- K(b);OGATEB,S_FLIGHT,XS(E)::B(A)
- B(e);SBLOCK,XS(E)::P(C)
- P(f);OGATE,P_SPINP(f),SBLOCK,XP(G)::QAB(I)
- R(c);N_GUARD,P_PINB(A)::S(E)
- R(c);N_GUARD::S(E)
- R(c);S_CUTB(e)::QAR2(I)
- R(c);N_GUARD::S(E),XR(c)
- B(e);N_GUARD::QAR2(I),XB(e)
- B(e);S_CUTR(c)::S(E)
- B(e);N_GUARD::QAR2(I)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- Refutation
- R(c);P_PINS(E),P_SPINR(c),XP(G)
- Try
- P(G);CHECK,XP(f)
- Vars
- K(b);S_FLIGHT,XS(E)::B(A)
- Refutation
- R(c);P_PINS(E),P_SPINR(c)
- Try
- P(G);CHECK
- Vars
- K(b);S_FLIGHT,XS(E)::B(A)
- Refutation
- R(c);P_PINS(E),P_SPINR(c)
- Try
- Actual
- K(B);P-FLIGHT
- Vars
- S(a);CHECK,N_GUARD::S(E),XS(a)
- K(b);OGATEB,S_FLIGHT,XS(E)::B(A)
- R(c);N_GUARD,P_SPINR(c),XP(G)::S(E)
- B(e);SBLOCK,XS(E)::P(C)
- P(f);OGATE,P_SPINP(f),SBLOCK,XP(G)::QAB(I)
- R(c);N_GUARD,P_PINB(A)::S(E)
- R(c);N_GUARD::S(E)
- R(c);S_CUTB(e)::QAR2(I)
- R(c);N_GUARD::S(E),XR(c)
- B(e);N_GUARD::QAR2(I),XB(e)
- B(e);S_CUTR(c)::S(E)
- B(e);N_GUARD::QAR2(I)
- S(a);N_GUARD::S(E)
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).