MESON Chess Problem Database
Problem Display
PID: 194180 (7n/1K3bRR/2p2k1p/2B3b1/3NPPn1/8/1Q6/8 w - - 0 1)
von Sponer, Gyorgy Janos Andor
Pesti Naplo, 1917
#2
8 + 7
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Ba2
- 2.Be7#
- 1...Bb3
- 2.Be7#
- 1...Bc4
- 2.Be7#
- 1...Bd5
- 2.Be7#
- 1...Bh5
- 2.Be7#
- 1...Be6
- 2.Be7#
- 1...Bg6
- 2.Be7#
- 1...Be8
- 2.Be7#
- 1...Bg8
- 2.Be7#
- 1...Sf2
- 2.e5#
- 1...Sh2
- 2.e5#
- 1...Se3
- 2.e5#
- 1...Sg6
- 2.Rxf7#
- 1...Ba2
- Tries
- 1.Sc2+?
- 1...Se5
- 2.Qxe5#
- 1...Ke6!
- 1...Se5
- 1.Se2+?
- 1...Se5
- 2.Qxe5#
- 1...Ke6!
- 1...Se5
- 1.Sb3+?
- 1...Se5
- 2.Qxe5#
- 1...Ke6!
- 1...Se5
- 1.Sf3+?
- 1...Se5
- 2.Qxe5#
- 1...Ke6!
- 1...Se5
- 1.Sb5+?
- 1...Se5
- 2.Qxe5#
- 1...Ke6!
- 1...Se5
- 1.Sf5+?
- 1...Se5
- 2.Qxe5#
- 1...Ke6!
- 1...Se5
- 1.Sxc6+?
- 1...Se5
- 2.Qxe5#
- 1...Ke6!
- 1...Se5
- 1.Se6+?
- 1...Se5
- 2.Qxe5#
- 1...Kxe6!
- 1...Se5
- 1.Qa3?
- threat
- 2.Be7#
- 1...Sg6
- 2.Rxf7#
- 1...Bxf4!
- threat
- 1.Qf2?
- 1...Bxf4
- 2.Qxf4#
- 1...Sxf2
- 2.e5#
- 1...Bh4
- 2.Qxh4#
- 1...Ba2
- 2.Be7#
- 1...Bb3
- 2.Be7#
- 1...Bc4
- 2.Be7#
- 1...Bd5
- 2.Be7#
- 1...Bh5
- 2.Be7#
- 1...Be6
- 2.Be7#
- 1...Bg6
- 2.Be7#
- 1...Be8
- 2.Be7#
- 1...Bg8
- 2.Be7#
- 1...Sh2
- 2.e5#
- 1...Se3
- 2.e5#
- 1...Se5
- 2.fxg5#
- 1...Sg6
- 2.Rxf7#
- 1...h5!
- 1...Bxf4
- 1.Qb4?
- threat
- 2.Be7#
- 1...Sg6
- 2.Rxf7#
- 1...Bxf4!
- threat
- 1.Qb6?
- threat
- 2.Qd8#
- 1...Sg6
- 2.Rxf7#
- 1...Bxf4!
- threat
- 1.Sc2+?
- Keys
- 1.Qh2!
- 1...Bxf4
- 2.Qxf4#
- 1...Sxh2
- 2.e5#
- 1...Bh4
- 2.Qxh4#
- 1...Ba2
- 2.Be7#
- 1...Bb3
- 2.Be7#
- 1...Bc4
- 2.Be7#
- 1...Bd5
- 2.Be7#
- 1...Bh5
- 2.Be7#
- 1...Be6
- 2.Be7#
- 1...Bg6
- 2.Be7#
- 1...Be8
- 2.Be7#
- 1...Bg8
- 2.Be7#
- 1...Sf2
- 2.e5#
- 1...Se3
- 2.e5#
- 1...Se5
- 2.fxe5#
- 1...Sg6
- 2.Rxf7#
- 1...h5
- 2.fxg5#
- 1...Bxf4
- 1.Qh2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- B(f);::B(E)
- S(a);N_GUARD::P(C)
- S(g);N_GUARD,SBLOCK::R1(G),XB(f)
- Tries
- Try
- S(B);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAB1(A),XS(a)
- Refutation
- K(d);P-FLIGHT
- Try
- S(B);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAB1(A),XS(a)
- Refutation
- K(d);P-FLIGHT
- Try
- S(B);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAB1(A),XS(a)
- Refutation
- K(d);P-FLIGHT
- Try
- S(B);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAB1(A),XS(a)
- Refutation
- K(d);P-FLIGHT
- Try
- S(B);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAB1(A),XS(a)
- Refutation
- K(d);P-FLIGHT
- Try
- S(B);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAB1(A),XS(a)
- Refutation
- K(d);P-FLIGHT
- Try
- S(B);CHECK,XP(c)
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAB1(A),XS(a)
- Refutation
- K(d);P-FLIGHT
- Try
- S(B);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAB1(A),XS(a)
- Refutation
- K(d);P-FLIGHT,XS(B)
- Try
- Q(A);
- Threat
- B(E)
- Vars
- S(g);N_GUARD,SBLOCK::R1(G),XB(f)
- Refutation
- B(b);XP(D)
- Try
- Q(A);
- Vars
- B(b);OGATE,P_SPINB(b),XP(D)::QAR2(A),XB(b)
- S(a);N_GUARD,XQ(A)::P(C)
- B(b);OGATEB::QAB(A),XB(b)
- B(f);::B(E)
- S(a);N_GUARD::P(C)
- S(a);SBLOCK::QAR(A)+P(D)DCHECK,XB(b)
- S(g);N_GUARD,SBLOCK::R1(G),XB(f)
- Refutation
- P(e);
- Try
- Q(A);
- Threat
- B(E)
- Vars
- S(g);N_GUARD,SBLOCK::R1(G),XB(f)
- Refutation
- B(b);XP(D)
- Try
- Q(A);P_PINP(c)
- Threat
- QAB(A)
- Vars
- S(g);N_GUARD,SBLOCK::R1(G),XB(f)
- Refutation
- B(b);XP(D)
- Try
- Actual
- Q(A);
- Vars
- B(b);OGATE,XP(D)::QAR2(A),XB(b)
- S(a);N_GUARD,XQ(A)::P(C)
- B(b);OGATEB::QAB(A),XB(b)
- B(f);::B(E)
- S(a);N_GUARD::P(C)
- S(a);OGATE::P(D),XS(a)
- S(g);N_GUARD,SBLOCK::R1(G),XB(f)
- P(e);N_GUARD::P(D),XB(b)
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).