MESON Chess Problem Database
Problem Display
PID: 83616 (n7/1B1p4/P2k1P2/Q1N1pPn1/3b2p1/2N3P1/8/K2RB3 w - - 0 1)
Ellerman, Arnoldo
The Hindu, 1932
#2
11 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sf3
- 2.Se4#
- 1...Sh3
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Se6
- 2.Se4#
- 1...Sf7
- 2.Se4#
- 1...Sh7
- 2.Se4#
- 1...Sb6
- 2.Qxb6#
- 1...Sc7
- 2.Qb6#
- 1...Sf3
- Tries
- 1.Kb1?
- 1...Sb6
- 2.Qxb6#
- 1...Sf3
- 2.S3e4#
- 2.S5e4#
- 1...Sh3
- 2.S3e4#
- 2.S5e4#
- 1...Se4
- 2.S3xe4#
- 2.S5xe4#
- 1...Se6
- 2.S3e4#
- 2.S5e4#
- 1...Sf7
- 2.S3e4#
- 2.S5e4#
- 1...Sh7
- 2.S3e4#
- 2.S5e4#
- 1...Sc7
- 2.Qb6#
- 1...e4!
- 1...Sb6
- 1.Ka2?
- 1...Sb6
- 2.Qxb6#
- 1...Sf3
- 2.S3e4#
- 2.S5e4#
- 1...Sh3
- 2.S3e4#
- 2.S5e4#
- 1...Se4
- 2.S3xe4#
- 2.S5xe4#
- 1...Se6
- 2.S3e4#
- 2.S5e4#
- 1...Sf7
- 2.S3e4#
- 2.S5e4#
- 1...Sh7
- 2.S3e4#
- 2.S5e4#
- 1...Sc7
- 2.Qb6#
- 1...e4!
- 1...Sb6
- 1.Kb2?
- 1...Sb6
- 2.Qxb6#
- 1...Sf3
- 2.Se4#
- 1...Sh3
- 2.Se4#
- 1...Se4
- 2.Sxe4#
- 1...Se6
- 2.Se4#
- 1...Sf7
- 2.Se4#
- 1...Sh7
- 2.Se4#
- 1...Sc7
- 2.Qb6#
- 1...e4!
- 1...Sb6
- 1.Bf2?
- 1...Sb6
- 2.Qxb6#
- 1...Se4
- 2.Sxe4#
- 1...Sf3
- 2.Se4#
- 1...Sh3
- 2.Se4#
- 1...Se6
- 2.Se4#
- 1...Sf7
- 2.Se4#
- 1...Sh7
- 2.Se4#
- 1...Sc7
- 2.Qb6#
- 1...e4!
- 1...Sb6
- 1.Be4?
- threat
- 2.Sb7#
- 1...Sb6
- 2.Qxb6#
- 1...Sxe4!
- threat
- 1.Rd2?
- 1...Sb6
- 2.Qxb6#
- 1...Se4
- 2.Sxe4#
- 1...Sf3
- 2.Se4#
- 1...Sh3
- 2.Se4#
- 1...Se6
- 2.Se4#
- 1...Sf7
- 2.Se4#
- 1...Sh7
- 2.Se4#
- 1...Sc7
- 2.Qb6#
- 1...e4!
- 1...Sb6
- 1.Rd3?
- 1...Sb6
- 2.Qxb6#
- 1...Se4
- 2.Sxe4#
- 1...Sf3
- 2.Se4#
- 1...Sh3
- 2.Se4#
- 1...Se6
- 2.Se4#
- 1...Sf7
- 2.Se4#
- 1...Sh7
- 2.Se4#
- 1...Sc7
- 2.Qb6#
- 1...e4!
- 1...Sb6
- 1.a7?
- 1...Sb6
- 2.Qxb6#
- 1...Se4
- 2.Sxe4#
- 1...Sf3
- 2.Se4#
- 1...Sh3
- 2.Se4#
- 1...Se6
- 2.Se4#
- 1...Sf7
- 2.Se4#
- 1...Sh7
- 2.Se4#
- 1...Sc7
- 2.Qb6#
- 1...e4!
- 1...Sb6
- 1.Kb1?
- Keys
- 1.Bd2!
- 1...Bxc3+
- 2.Bxc3#
- 1...Bxc5
- 2.Sb5#
- 1...Sb6
- 2.Qxb6#
- 1...e4
- 2.Bf4#
- 1...Se4
- 2.Sxe4#
- 1...Bg1
- 2.Be3#
- 1...Bf2
- 2.Be3#
- 1...Be3
- 2.Bxe3#
- 1...Sf3
- 2.Se4#
- 1...Sh3
- 2.Se4#
- 1...Se6
- 2.Se4#
- 1...Sf7
- 2.Se4#
- 1...Sh7
- 2.Se4#
- 1...Sc7
- 2.Qb6#
- 1...Bxc3+
- 1.Bd2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- S(d);N_GUARD::S(G)
- S(d);N_GUARD::S(G),XS(d)
- S(g);N_GUARD::QAR2(F),XS(g)
- S(g);N_GUARD::QAR2(F)
- Tries
- Try
- K(A);N_SPINS(D),P-FLIGHT
- Vars
- S(g);N_GUARD::QAR2(F),XS(g)
- S(g);N_GUARD::QAR2(F)
- Refutation
- P(c);
- Try
- K(A);N_SPINS(D),P-FLIGHT
- Vars
- S(g);N_GUARD::QAR2(F),XS(g)
- S(g);N_GUARD::QAR2(F)
- Refutation
- P(c);
- Try
- K(A);S_FLIGHT
- Vars
- S(g);N_GUARD::QAR2(F),XS(g)
- S(d);N_GUARD::S(G)
- S(d);N_GUARD::S(G),XS(d)
- S(g);N_GUARD::QAR2(F)
- Refutation
- P(c);
- Try
- B(C);
- Vars
- S(g);N_GUARD::QAR2(F),XS(g)
- S(d);N_GUARD::S(G),XS(d)
- S(d);N_GUARD::S(G)
- S(g);N_GUARD::QAR2(F)
- Refutation
- P(c);
- Try
- B(K);
- Threat
- S(G)
- Vars
- S(g);N_GUARD::QAR2(F),XS(g)
- Refutation
- S(d);XB(K)
- Try
- R(B);
- Vars
- S(g);N_GUARD::QAR2(F),XS(g)
- S(d);N_GUARD::S(G),XS(d)
- S(d);N_GUARD::S(G)
- S(g);N_GUARD::QAR2(F)
- Refutation
- P(c);
- Try
- R(B);
- Vars
- S(g);N_GUARD::QAR2(F),XS(g)
- S(d);N_GUARD::S(G),XS(d)
- S(d);N_GUARD::S(G)
- S(g);N_GUARD::QAR2(F)
- Refutation
- P(c);
- Try
- P(I);
- Vars
- S(g);N_GUARD::QAR2(F),XS(g)
- S(d);N_GUARD::S(G),XS(d)
- S(d);N_GUARD::S(G)
- S(g);N_GUARD::QAR2(F)
- Refutation
- P(c);
- Try
- Actual
- B(C);N_PINB(a)
- Vars
- B(a);CHECK,OGATE,XS(D)::R(B)+B(C),XB(a)
- B(a);N_PINS(D),SBLOCK,XS(G)::S(D)
- S(g);N_GUARD::QAR2(F),XS(g)
- P(c);OGATEB::B(C)
- S(d);N_GUARD::S(G),XS(d)
- B(a);N_PINS(D),OGATEB::R(B)+B(C)
- B(a);N_PINS(D),OGATEB::R(B)+B(C),XB(a)
- S(d);N_GUARD::S(G)
- S(g);N_GUARD::QAR2(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).