MESON Chess Problem Database
Problem Display
PID: 198851 (6bN/1pBR4/1Rn1pk1p/2K5/6PP/4N1p1/5b2/1B3Q2 w - - 0 1)
Ellerman, Arnoldo
Brisbane Courier, 1921
#2
10 + 8
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Bf7
- 2.Rxf7#
- 1...Bh7
- 2.Rf7#
- 1...Sd4
- 2.Sd5#
- 1...Se5
- 2.Bd8#
- 1...g2
- 2.Qxf2#
- 1...h5
- 2.g5#
- 1...Bf7
- Tries
- 1.Bc2?
- 1...Bf7
- 2.Rxf7#
- 1...Se7
- 2.Qa1#
- 1...Bh7
- 2.Rf7#
- 1...Sb4
- 2.Qa1#
- 1...Sd4
- 2.Sd5#
- 1...Sa5
- 2.Qa1#
- 1...Se5
- 2.Bd8#
- 1...Sa7
- 2.Qa1#
- 1...Sb8
- 2.Qa1#
- 1...Sd8
- 2.Qa1#
- 1...g2
- 2.Qxf2#
- 1...h5
- 2.g5#
- 1...e5!
- 1...Bf7
- 1.Bd3?
- 1...Bf7
- 2.Rxf7#
- 1...Se7
- 2.Qa1#
- 1...Bh7
- 2.Rf7#
- 1...Sb4
- 2.Qa1#
- 1...Sd4
- 2.Sd5#
- 1...Sa5
- 2.Qa1#
- 1...Se5
- 2.Bd8#
- 1...Sa7
- 2.Qa1#
- 1...Sb8
- 2.Qa1#
- 1...Sd8
- 2.Qa1#
- 1...g2
- 2.Qxf2#
- 1...h5
- 2.g5#
- 1...e5!
- 1...Bf7
- 1.Be4?
- 1...Bf7
- 2.Rxf7#
- 1...Se7
- 2.Qa1#
- 1...Bh7
- 2.Rf7#
- 1...Sb4
- 2.Qa1#
- 1...Sd4
- 2.Sd5#
- 1...Sa5
- 2.Qa1#
- 1...Se5
- 2.Bd8#
- 1...Sa7
- 2.Qa1#
- 1...Sb8
- 2.Qa1#
- 1...Sd8
- 2.Qa1#
- 1...g2
- 2.Qxf2#
- 1...h5
- 2.g5#
- 1...e5!
- 1...Bf7
- 1.Bg6?
- 1...Bf7
- 2.Rxf7#
- 1...Se7
- 2.Qa1#
- 1...Bh7
- 2.Rf7#
- 1...Sb4
- 2.Qa1#
- 1...Sd4
- 2.Sd5#
- 1...Sa5
- 2.Qa1#
- 1...Se5
- 2.Bd8#
- 1...Sa7
- 2.Qa1#
- 1...Sb8
- 2.Qa1#
- 1...Sd8
- 2.Qa1#
- 1...g2
- 2.Qxf2#
- 1...h5
- 2.g5#
- 1...e5!
- 1...Bf7
- 1.Bh7?
- 1...Bxh7
- 2.Rf7#
- 1...Bf7
- 2.Rxf7#
- 1...Se7
- 2.Qa1#
- 1...Sb4
- 2.Qa1#
- 1...Sd4
- 2.Sd5#
- 1...Sa5
- 2.Qa1#
- 1...Se5
- 2.Bd8#
- 1...Sa7
- 2.Qa1#
- 1...Sb8
- 2.Qa1#
- 1...Sd8
- 2.Qa1#
- 1...g2
- 2.Qxf2#
- 1...h5
- 2.g5#
- 1...e5!
- 1...Bxh7
- 1.Qd3?
- threat
- 2.Qg6#
- 1...Bf7
- 2.Rxf7#
- 1...Se7
- 2.Qc3#
- 2.Qd4#
- 1...Bh7
- 2.Rf7#
- 1...Se5
- 2.Bd8#
- 2.Qf5#
- 1...Bxe3+!
- threat
- 1.Qc4?
- threat
- 2.Qf4#
- 1...Bf7
- 2.Rxf7#
- 1...Se7
- 2.Qc3#
- 2.Qd4#
- 1...Bh7
- 2.Rf7#
- 1...Sd4
- 2.Sd5#
- 2.Qxd4#
- 1...e5
- 2.Bd8#
- 1...Bxe3+!
- threat
- 1.Bc2?
- Keys
- 1.Ba2!
- 1...Bf7
- 2.Rxf7#
- 1...Se7
- 2.Qa1#
- 1...Bh7
- 2.Rf7#
- 1...Sb4
- 2.Qa1#
- 1...Sd4
- 2.Sd5#
- 1...Sa5
- 2.Qa1#
- 1...Se5
- 2.Bd8#
- 1...Sa7
- 2.Qa1#
- 1...Sb8
- 2.Qa1#
- 1...Sd8
- 2.Qa1#
- 1...g2
- 2.Qxf2#
- 1...e5
- 2.Bd8#
- 1...h5
- 2.g5#
- 1...Bf7
- 1.Ba2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- B(h);N_GUARD::R1(I),XB(h)
- B(h);N_GUARD::R1(I)
- S(c);N_PINS(C),P_SPINP(d)::S(C)
- S(c);N_GUARD,P_SPINP(d),SBLOCK::B(H)
- P(b);N_GUARD::QAR(B),XB(a)
- P(f);N_GUARD::P(D)
- Tries
- Try
- B(A);
- Vars
- B(h);N_GUARD::R1(I),XB(h)
- S(c);N_GUARD,P_SPINP(d)::QAB(B)
- B(h);N_GUARD::R1(I)
- S(c);N_PINS(C),P_SPINP(d)::S(C)
- S(c);N_GUARD,P_SPINP(d),SBLOCK::B(H)
- P(b);N_GUARD::QAR(B),XB(a)
- P(f);N_GUARD::P(D)
- Refutation
- P(d);P_SPINS(c)
- Try
- B(A);
- Vars
- B(h);N_GUARD::R1(I),XB(h)
- S(c);N_GUARD,P_SPINP(d)::QAB(B)
- B(h);N_GUARD::R1(I)
- S(c);N_PINS(C),P_SPINP(d)::S(C)
- S(c);N_GUARD,P_SPINP(d),SBLOCK::B(H)
- P(b);N_GUARD::QAR(B),XB(a)
- P(f);N_GUARD::P(D)
- Refutation
- P(d);P_SPINS(c)
- Try
- B(A);
- Vars
- B(h);N_GUARD::R1(I),XB(h)
- S(c);N_GUARD,P_SPINP(d)::QAB(B)
- B(h);N_GUARD::R1(I)
- S(c);N_PINS(C),P_SPINP(d)::S(C)
- S(c);N_GUARD,P_SPINP(d),SBLOCK::B(H)
- P(b);N_GUARD::QAR(B),XB(a)
- P(f);N_GUARD::P(D)
- Refutation
- P(d);P_SPINS(c)
- Try
- B(A);
- Vars
- B(h);N_GUARD::R1(I),XB(h)
- S(c);N_GUARD,P_SPINP(d)::QAB(B)
- B(h);N_GUARD::R1(I)
- S(c);N_PINS(C),P_SPINP(d)::S(C)
- S(c);N_GUARD,P_SPINP(d),SBLOCK::B(H)
- P(b);N_GUARD::QAR(B),XB(a)
- P(f);N_GUARD::P(D)
- Refutation
- P(d);P_SPINS(c)
- Try
- B(A);
- Vars
- B(h);N_GUARD,XB(A)::R1(I)
- B(h);N_GUARD::R1(I),XB(h)
- S(c);N_GUARD,P_SPINP(d)::QAB(B)
- S(c);N_PINS(C),P_SPINP(d)::S(C)
- S(c);N_GUARD,P_SPINP(d),SBLOCK::B(H)
- P(b);N_GUARD::QAR(B),XB(a)
- P(f);N_GUARD::P(D)
- Refutation
- P(d);P_SPINS(c)
- Try
- Q(B);N_PINB(a)
- Threat
- QAR1(B)
- Vars
- B(h);N_GUARD::R1(I),XB(h)
- B(h);N_GUARD::R1(I)
- Refutation
- B(a);CHECK,XS(C)
- Try
- Q(B);N_PINB(a)
- Threat
- QAR2(B)
- Vars
- B(h);N_GUARD::R1(I),XB(h)
- B(h);N_GUARD::R1(I)
- P(d);P_SPINS(c),SBLOCK::B(H)
- Refutation
- B(a);CHECK,XS(C)
- Try
- Actual
- B(A);
- Vars
- B(h);N_GUARD::R1(I),XB(h)
- S(c);N_GUARD,P_SPINP(d)::QAB(B)
- B(h);N_GUARD::R1(I)
- S(c);N_PINS(C),P_SPINP(d)::S(C)
- S(c);N_GUARD,P_SPINP(d),SBLOCK::B(H)
- P(b);N_GUARD::QAR(B),XB(a)
- P(d);P_SPINS(c),SBLOCK::B(H)
- P(f);N_GUARD::P(D)
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).