MESON Chess Problem Database
Problem Display
PID: 246639 (5bN1/2pp3n/BNkB1n2/6p1/p3p1P1/P1K1P3/8/1RRQ4 w - - 0 1)
Ellerman, Arnoldo
El Ajedrez Espanol, 1961
#2
11 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bh6
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Bg7
- 2.Se7#
- 1...Sxg4
- 2.Qd5#
- 1...Sd5+
- 2.Qxd5#
- 1...Sh5
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...Sxg8
- 2.Qd5#
- 1...cxb6
- 2.Kb2#
- 2.Kb4#
- 1...cxd6
- 2.Kd2#
- 2.Kd4#
- 1...Bh6
- Tries
- 1.Kc2?
- 1...Sxg4
- 2.Qd5#
- 1...Sxg8
- 2.Qd5#
- 1...cxb6
- 2.Kb2#
- 1...cxd6
- 2.Kd2#
- 1...Sd5
- 2.Qxd5#
- 1...Bh6
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Bg7
- 2.Se7#
- 1...Sh5
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...Bxd6!
- 1...Sxg4
- 1.Sxa4?
- threat
- 2.Kb2#
- 2.Kb3#
- 2.Kb4#
- 2.Bb7#
- 1...Bxd6
- 2.Bb7#
- 1...cxd6
- 2.Kb2#
- 2.Kb3#
- 2.Kb4#
- 2.Kd4#
- 1...Sd5+!
- threat
- 1.Sxf6?
- threat
- 2.Qd5#
- 1...cxd6
- 2.Kd2#
- 2.Kd4#
- 1...Sxf6!
- threat
- 1.Bc8?
- 1...Sd5+
- 2.Qxd5#
- 1...Sxg4
- 2.Qd5#
- 1...Sxg8
- 2.Qd5#
- 1...cxb6
- 2.Kb4#
- 1...cxd6
- 2.Kd2#
- 2.Kd4#
- 1...Bh6
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Bg7
- 2.Se7#
- 1...Sh5
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...Bxd6!
- 1...Sd5+
- 1.Be7?
- threat
- 2.Kd2#
- 2.Kd4#
- 2.Qxa4#
- 1...Sd5+
- 2.Qxd5#
- 1...cxb6
- 2.Kb2#
- 2.Kb4#
- 2.Kd4#
- 2.Qd6#
- 1...d6
- 2.Kd2#
- 2.Kd4#
- 1...Bxe7!
- threat
- 1.Bxf8?
- threat
- 2.Kd2#
- 2.Kd4#
- 2.Qxa4#
- 1...Sd5+
- 2.Qxd5#
- 1...cxb6
- 2.Kb2#
- 2.Kb4#
- 2.Kd4#
- 2.Qd6#
- 1...d6
- 2.Kd2#
- 2.Kd4#
- 1...Sxf8!
- threat
- 1.Rb2?
- 1...Sd5+
- 2.Qxd5#
- 1...Sxg4
- 2.Qd5#
- 1...Sxg8
- 2.Qd5#
- 1...cxb6
- 2.Kb4#
- 1...cxd6
- 2.Kd2#
- 2.Kd4#
- 1...Bh6
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Bg7
- 2.Se7#
- 1...Sh5
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...Bxd6!
- 1...Sd5+
- 1.Rb4?
- threat
- 2.Kb2#
- 1...Sd5+
- 2.Qxd5#
- 1...Bxd6!
- threat
- 1.Rb5?
- threat
- 2.Kb2#
- 2.Kb4#
- 1...Sd5+
- 2.Qxd5#
- 1...Bxd6!
- threat
- 1.Rc2?
- 1...Sd5+
- 2.Qxd5#
- 1...Sxg4
- 2.Qd5#
- 1...Sxg8
- 2.Qd5#
- 1...cxb6
- 2.Kb2#
- 2.Kb4#
- 1...cxd6
- 2.Kd2#
- 2.Kd4#
- 1...Bh6
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Bg7
- 2.Se7#
- 1...Sh5
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...Bxd6!
- 1...Sd5+
- 1.Qd2?
- 1...Sd5+
- 2.Qxd5#
- 1...Sxg4
- 2.Qd5#
- 1...Sxg8
- 2.Qd5#
- 1...cxb6
- 2.Kb2#
- 2.Kb4#
- 1...cxd6
- 2.Kd4#
- 1...Bh6
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Bg7
- 2.Se7#
- 1...Sh5
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...Bxd6!
- 1...Sd5+
- 1.Qd3?
- threat
- 2.Kd2#
- 1...Sd5+
- 2.Qxd5#
- 1...Bxd6
- 2.Qb5#
- 1...exd3!
- threat
- 1.Qd4?
- threat
- 2.Kb2#
- 2.Kd2#
- 2.Kb4#
- 2.Qc5#
- 1...Sd5+
- 2.Qxd5#
- 1...cxb6
- 2.Kb2#
- 2.Kd2#
- 2.Kb4#
- 2.Rxb6#
- 1...cxd6
- 2.Kb2#
- 2.Kd2#
- 2.Kb4#
- 2.Qc4#
- 1...Bxd6!
- threat
- 1.Kc2?
- Keys
- 1.Kc4!
- 1...Bxd6
- 2.Qxa4#
- 1...Sxg4
- 2.Qd5#
- 1...Sxg8
- 2.Qd5#
- 1...cxb6
- 2.Kb4#
- 1...cxd6
- 2.Kd4#
- 1...Sd5
- 2.Qxd5#
- 1...Bh6
- 2.Se7#
- 1...Be7
- 2.Sxe7#
- 1...Bg7
- 2.Se7#
- 1...Sh5
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...Bxd6
- 1.Kc4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(i);N_GUARD::S(K)
- B(i);N_GUARD::S(K),XB(i)
- S(e);N_GUARD,XP(G)::QAB1(C)
- S(e);CHECK,N_GUARD::QAB1(C),XS(e)
- S(e);N_GUARD::QAB1(C)
- S(e);N_GUARD,XS(K)::QAB1(C)
- Tries
- Try
- K(E);P-FLIGHT
- Vars
- S(e);N_GUARD,XP(G)::QAB1(C)
- S(e);N_GUARD,XS(K)::QAB1(C)
- P(f);SBLOCK,XS(I)::R(B)+K(E)
- P(f);SBLOCK,XB(J)::R(B)+K(E)
- S(e);N_GUARD::QAB1(C),XS(e)
- B(i);N_GUARD::S(K)
- B(i);N_GUARD::S(K),XB(i)
- S(e);N_GUARD::QAB1(C)
- Refutation
- B(i);XB(J)
- Try
- S(I);XP(a)
- Threat
- DUALS(4)
- Vars
- B(i);XB(J)::B(H)
- Refutation
- S(e);CHECK
- Try
- S(K);XS(e)
- Threat
- QAB1(C)
- Refutation
- S(h);XS(K)
- Try
- B(H);
- Vars
- S(e);CHECK,N_GUARD::QAB1(C),XS(e)
- S(e);N_GUARD,XP(G)::QAB1(C)
- S(e);N_GUARD,XS(K)::QAB1(C)
- P(f);SBLOCK,XS(I)::R(B)+K(E)
- B(i);N_GUARD::S(K)
- B(i);N_GUARD::S(K),XB(i)
- S(e);N_GUARD::QAB1(C)
- Refutation
- B(i);XB(J)
- Try
- B(J);
- Threat
- DUALS(3)
- Vars
- S(e);CHECK,N_GUARD::QAB1(C),XS(e)
- Refutation
- B(i);XB(J)
- Try
- B(J);XB(i)
- Threat
- DUALS(3)
- Vars
- S(e);CHECK,N_GUARD::QAB1(C),XS(e)
- Refutation
- S(h);XB(J)
- Try
- R(A);
- Vars
- S(e);CHECK,N_GUARD::QAB1(C),XS(e)
- S(e);N_GUARD,XP(G)::QAB1(C)
- S(e);N_GUARD,XS(K)::QAB1(C)
- P(f);SBLOCK,XS(I)::R(B)+K(E)
- B(i);N_GUARD::S(K)
- B(i);N_GUARD::S(K),XB(i)
- S(e);N_GUARD::QAB1(C)
- Refutation
- B(i);XB(J)
- Try
- R(A);
- Threat
- R(B)+K(E)
- Vars
- S(e);CHECK,N_GUARD::QAB1(C),XS(e)
- Refutation
- B(i);XB(J)
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- S(e);CHECK,N_GUARD::QAB1(C),XS(e)
- Refutation
- B(i);XB(J)
- Try
- R(B);
- Vars
- S(e);CHECK,N_GUARD::QAB1(C),XS(e)
- S(e);N_GUARD,XP(G)::QAB1(C)
- S(e);N_GUARD,XS(K)::QAB1(C)
- B(i);N_GUARD::S(K)
- B(i);N_GUARD::S(K),XB(i)
- S(e);N_GUARD::QAB1(C)
- Refutation
- B(i);XB(J)
- Try
- Q(C);
- Vars
- S(e);CHECK,N_GUARD::QAB1(C),XS(e)
- S(e);N_GUARD,XP(G)::QAB1(C)
- S(e);N_GUARD,XS(K)::QAB1(C)
- P(f);SBLOCK,XB(J)::R(B)+K(E)
- B(i);N_GUARD::S(K)
- B(i);N_GUARD::S(K),XB(i)
- S(e);N_GUARD::QAB1(C)
- Refutation
- B(i);XB(J)
- Try
- Q(C);
- Threat
- R(B)+K(E)
- Vars
- S(e);CHECK,N_GUARD::QAB1(C),XS(e)
- B(i);SBLOCK,XB(J)::QAB1(C)
- Refutation
- P(b);XQ(C)
- Try
- Q(C);
- Threat
- DUALS(4)
- Vars
- S(e);CHECK,N_GUARD::QAB1(C),XS(e)
- Refutation
- B(i);XB(J)
- Try
- Actual
- K(E);P-FLIGHT
- Vars
- B(i);SBLOCK,XB(J)::QAB(C),XP(a)
- S(e);N_GUARD,XP(G)::QAB1(C)
- S(e);N_GUARD,XS(K)::QAB1(C)
- P(f);SBLOCK,XS(I)::R(B)+K(E)
- P(f);SBLOCK,XB(J)::R(B)+K(E)
- S(e);N_GUARD::QAB1(C),XS(e)
- B(i);N_GUARD::S(K)
- B(i);N_GUARD::S(K),XB(i)
- S(e);N_GUARD::QAB1(C)
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).