MESON Chess Problem Database
Problem Display
PID: 40778 (2K1R1Bn/2bN1r2/Q1N2Pp1/pnrPp1P1/p1k5/P2R4/1P2P3/8 w - - 0 1)
Ebben, Jacobus Johannes
Seilberger, Johann Joseph Petrus Adrianus
1st Prize, Elmgren TT, 1952
#2
13 + 10
| 3105 | FIDE Album (1945-1955) | 1964 |
| 721 | Variantim | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Rxd5
- 2.Rc3#
- 1...Rxc6
- 2.Qxc6#
- 1...Rxf6
- 2.Rc3#
- 1...Rxd7
- 2.Rc3#
- 1...Re7
- 2.Rc3#
- 1...Rg7
- 2.Rc3#
- 1...Rh7
- 2.Rc3#
- 1...Rf8
- 2.Rc3#
- 1...Bb6
- 2.Sxe5#
- 2.Sxb6#
- 1...Bd6
- 2.Sb6#
- 1...Bb8
- 2.Sb6#
- 1...Bd8
- 2.Sxe5#
- 1...e4
- 2.Rxe4#
- 1...Rxd5
- Tries
- 1.Bxf7?
- threat
- 2.Rc3#
- 1...Rxc6
- 2.Qxc6#
- 1...Sxf7!
- threat
- 1.Rxe5?
- threat
- 2.Rc3#
- 2.Re4#
- 1...Rxd5
- 2.Rc3#
- 1...Rxc6
- 2.Re4#
- 2.Qxc6#
- 1...Bxe5
- 2.Sxe5#
- 2.Sb6#
- 1...Re7
- 2.Rc3#
- 1...Rf8+!
- threat
- 1.Re7?
- 1...Rxd5
- 2.Rc3#
- 1...Rxc6
- 2.Qxc6#
- 1...Rxf6
- 2.Rc3#
- 1...Rxe7
- 2.Rc3#
- 1...Bb6
- 2.Sxe5#
- 2.Sxb6#
- 1...Rg7
- 2.Rc3#
- 1...Rh7
- 2.Rc3#
- 1...Bd6
- 2.Sb6#
- 1...Bb8
- 2.Sb6#
- 1...Bd8
- 2.Sxe5#
- 1...e4
- 2.Rxe4#
- 1...Rf8+!
- 1...Rxd5
- 1.Rd8?
- 1...Rxd5
- 2.Rc3#
- 1...Rxc6
- 2.Qxc6#
- 1...Rxf6
- 2.Rc3#
- 1...Rxd7
- 2.Rc3#
- 1...Bxd8
- 2.Sxe5#
- 1...Bb6
- 2.Sxe5#
- 2.Sxb6#
- 1...Re7
- 2.Rc3#
- 1...Rg7
- 2.Rc3#
- 1...Rh7
- 2.Rc3#
- 1...Rf8
- 2.Rc3#
- 1...Bd6
- 2.Sb6#
- 1...Bb8
- 2.Sb6#
- 1...e4!
- 1...Rxd5
- 1.d6?
- 1...Rxc6
- 2.Qxc6#
- 1...Bxd6
- 2.Sb6#
- 1...Bb6
- 2.Sxb6#
- 1...Rd5
- 2.Rc3#
- 1...Bb8
- 2.Sb6#
- 1...e4
- 2.Rxe4#
- 1...Bd8!
- 1...Rxc6
- 1.Bxf7?
- Keys
- 1.Kb7!
- 1...Rxd5
- 2.Rc3#
- 1...Rxc6
- 2.Qxc6#
- 1...Rxf6
- 2.Rc3#
- 1...Rxd7
- 2.Rc3#
- 1...Re7
- 2.Rc3#
- 1...Rg7
- 2.Rc3#
- 1...Rh7
- 2.Rc3#
- 1...Rf8
- 2.Rc3#
- 1...Bb6
- 2.Sxe5#
- 1...Bd6
- 2.Sxa5#
- 1...Bb8
- 2.Sxa5#
- 1...Bd8
- 2.Sxe5#
- 1...e4
- 2.Rxe4#
- 1...Rxd5
- 1.Kb7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(e);SBLOCK,XP(E)::R1(D)
- R(e);OGATE,XS(H)::QAR2(G),XR(e)
- R(i);XP(I)::R1(D)
- R(i);XS(J)::R1(D)
- R(i);::R1(D)
- R(i);P_PINR(L)::R1(D)
- B(h);N_GUARD,P_PINS(H)::S(J)
- B(h);N_GUARD,P_PINS(H)::S(J),XP(f)
- P(f);OGATE::R(L),XP(f)
- Tries
- Try
- B(M);XR(i)
- Threat
- R1(D)
- Vars
- R(e);OGATE,XS(H)::QAR2(G),XR(e)
- Refutation
- S(j);XB(M)
- Try
- R(L);XP(f)
- Threat
- DUALS(2)
- Vars
- R(e);XP(E)::R1(D)
- R(i);::R1(D)
- Refutation
- R(i);CHECK
- Try
- R(L);
- Vars
- R(e);SBLOCK,XP(E)::R1(D)
- R(e);OGATE,XS(H)::QAR2(G),XR(e)
- R(i);XP(I)::R1(D)
- R(i);XR(L)::R1(D)
- R(i);::R1(D)
- B(h);N_GUARD,P_PINS(H)::S(J)
- B(h);N_GUARD,P_PINS(H)::S(J),XP(f)
- P(f);OGATE::R(L),XP(f)
- Refutation
- R(i);CHECK
- Try
- R(L);
- Vars
- R(e);SBLOCK,XP(E)::R1(D)
- R(e);OGATE,XS(H)::QAR2(G),XR(e)
- R(i);XP(I)::R1(D)
- R(i);XS(J)::R1(D)
- B(h);N_GUARD,P_PINS(H),XR(L)::S(J),XP(f)
- R(i);::R1(D)
- R(i);P_PINR(L)::R1(D)
- B(h);N_GUARD,P_PINS(H)::S(J)
- Refutation
- P(f);
- Try
- P(E);P_PINR(i)
- Vars
- R(e);OGATE,XS(H)::QAR2(G),XR(e)
- B(h);N_GUARD,P_PINS(H),XP(E)::S(J)
- B(h);N_GUARD,P_PINS(H)::S(J),XB(h)
- R(e);N_SPINR(i),SBLOCK::R1(D)
- B(h);N_GUARD,P_PINS(H)::S(J)
- P(f);OGATE::R(L),XP(f)
- Refutation
- B(h);P_PINS(H)
- Try
- Actual
- K(K);S_FLIGHT
- Vars
- R(e);SBLOCK,XP(E)::R1(D)
- R(e);OGATE,XS(H)::QAR2(G),XR(e)
- R(i);XP(I)::R1(D)
- R(i);XS(J)::R1(D)
- R(i);::R1(D)
- B(h);N_GUARD,P_PINS(J)::S(H),XP(f)
- B(h);N_GUARD,P_PINS(J)::S(H),XP(c)
- P(f);OGATE::R(L),XP(f)
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).