MESON Chess Problem Database
Problem Display
PID: 83614 (6K1/8/1p6/b1p4B/PQN5/1b4p1/1R3BP1/R3Nkr1 w - - 0 1)
Ellerman, Arnoldo
Il Problema, 1932
#2
10 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Se3#
- 1...Bxa4
- 2.Se3#
- 1...Bxc4+
- 2.Qxc4#
- 1...gxf2
- 2.Be2#
- 1...Bd1
- Tries
- 1.Kg7?
- threat
- 2.Se3#
- 1...Bxc4
- 2.Qxc4#
- 1...Bc2!
- threat
- 1.Kh7?
- threat
- 2.Se3#
- 1...Bxc4
- 2.Qxc4#
- 1...Bc2+!
- threat
- 1.Kf8?
- threat
- 2.Se3#
- 1...Bxc4
- 2.Qxc4#
- 1...Bc2!
- threat
- 1.Kh8?
- threat
- 2.Se3#
- 1...Bxc4
- 2.Qxc4#
- 1...Bc2!
- threat
- 1.Sd3+?
- 1...Bd1
- 2.Se3#
- 1...Kxg2!
- 1...Bd1
- 1.Sf3+?
- 1...Bd1
- 2.Se3#
- 1...Kxg2!
- 1...Bd1
- 1.Be3?
- threat
- 2.Be2#
- 1...Bxc4+
- 2.Qxc4#
- 1...Rxg2
- 2.Sc2#
- 1...Bc2
- 2.Sd2#
- 1...Bd1!
- threat
- 1.Bxg3?
- threat
- 2.Be2#
- 2.Rf2#
- 1...Bxc4+
- 2.Qxc4#
- 1...Rxg2
- 2.Sc2#
- 1...Bd1
- 2.Sd2#
- 2.Se3#
- 2.Rf2#
- 1...Bc2
- 2.Sd2#
- 2.Se3#
- 1...Rh1!
- threat
- 1.Bxc5?
- threat
- 2.Be2#
- 1...Bxc4+
- 2.Qxc4#
- 1...Rxg2
- 2.Sc2#
- 1...Bd1
- 2.Se3#
- 1...Bc2
- 2.Sd2#
- 1...bxc5!
- threat
- 1.Bg6?
- threat
- 2.Bd3#
- 1...Bxc4+
- 2.Qxc4#
- 1...Bd1
- 2.Se3#
- 1...Bc2!
- threat
- 1.Bf7?
- threat
- 2.Se3#
- 1...Bxc4
- 2.Bxc4#
- 2.Qxc4#
- 1...Bc2!
- threat
- 1.Qxb3?
- threat
- 2.Se3#
- 2.Qd3#
- 1...Bxe1
- 2.Se3#
- 1...Bc3
- 2.Se3#
- 1...Bd2!
- threat
- 1.Kg7?
- Keys
- 1.Bd4!
- threat
- 2.Be2#
- 1...Bxc4+
- 2.Qxc4#
- 1...Rxg2
- 2.Sc2#
- 1...cxd4
- 2.Qf8#
- 1...Bd1
- 2.Se3#
- 1...Bc2
- 2.Sd2#
- threat
- 1.Bd4!
This is a version of 62018
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- B(c);N_PINS(H)::S(H)
- B(c);N_PINS(H),XP(F)::S(H)
- B(c);CHECK,OGATE,XS(H)::QAB(G),XB(c)
- P(d);P_PINP(E),SBLOCK,XB(D)::B(I)
- Tries
- Try
- K(J);N_SPINS(H),P-FLIGHT
- Threat
- S(H)
- Vars
- B(c);OGATE,XS(H)::QAB(G),XB(c)
- Refutation
- B(c);
- Try
- K(J);N_SPINS(H),S_FLIGHT
- Threat
- S(H)
- Vars
- B(c);OGATE,XS(H)::QAB(G),XB(c)
- Refutation
- B(c);CHECK
- Try
- K(J);N_SPINS(H),P-FLIGHT
- Threat
- S(H)
- Vars
- B(c);OGATE,XS(H)::QAB(G),XB(c)
- Refutation
- B(c);
- Try
- K(J);N_SPINS(H),P-FLIGHT
- Threat
- S(H)
- Vars
- B(c);OGATE,XS(H)::QAB(G),XB(c)
- Refutation
- B(c);
- Try
- S(B);CHECK
- Vars
- B(c);N_PINS(H),P_SPINB(c)::S(H)
- Refutation
- K(a);S_FLIGHT,XP(E)
- Try
- S(B);CHECK
- Vars
- B(c);N_PINS(H),P_SPINB(c)::S(H)
- Refutation
- K(a);S_FLIGHT,XP(E)
- Try
- B(D);
- Threat
- B(I)
- Vars
- B(c);CHECK,OGATE,XS(H)::QAB(G),XB(c)
- R(b);SBLOCK,XP(E)::R(A)+S(B)
- B(c);N_PINS(H)::S(H)
- Refutation
- B(c);N_PINS(H)
- Try
- B(D);XP(d)
- Threat
- DUALS(2)
- Vars
- B(c);CHECK,OGATE,XS(H)::QAB(G),XB(c)
- R(b);P_PINB(D),SBLOCK,XP(E)::R(A)+S(B)
- Refutation
- R(b);
- Try
- B(D);XP(f)
- Threat
- B(I)
- Vars
- B(c);CHECK,OGATE,XS(H)::QAB(G),XB(c)
- R(b);SBLOCK,XP(E)::R(A)+S(B)
- B(c);N_PINS(H)::S(H)
- Refutation
- P(g);XB(D)
- Try
- B(I);
- Threat
- B(I)
- Vars
- B(c);CHECK,OGATE,XS(H)::QAB(G),XB(c)
- B(c);N_PINS(H)::S(H)
- Refutation
- B(c);N_PINS(H)
- Try
- B(I);N_SPINS(H)
- Threat
- S(H)
- Refutation
- B(c);
- Try
- Q(G);N_SPINS(H),XB(c)
- Threat
- DUALS(2)
- Vars
- B(e);P_SPINB(e),XS(B)::S(H)
- B(e);::S(H)
- Refutation
- B(e);
- Try
- Actual
- B(D);
- Threat
- B(I)
- Vars
- B(c);CHECK,OGATE,XS(H)::QAB(G),XB(c)
- R(b);SBLOCK,XP(E)::R(A)+S(B)
- P(f);OGATE,XB(D)::QAB(G)
- B(c);N_PINS(H)::S(H)
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).