MESON Chess Problem Database
Problem Display
PID: 267280 (8/2p2n2/R1P1p3/2k1p3/1rNp3K/BPN5/1P3Q2/3R1B2 w - - 0 1)
Bottacchi, Antonio
La Settimana Enigmistica, 1932
#2
11 + 7
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Sg5
- 2.Qf8#
- 1...Sh6
- 2.Qf8#
- 1...Sd8
- 2.Qf8#
- 1...Sh8
- 2.Qf8#
- 1...e4
- 2.Qxd4#
- 1...Sg5
- Tries
- 1.Kg3?
- 1...Sg5
- 2.Qf8#
- 1...Sh6
- 2.Qf8#
- 1...Sd8
- 2.Qf8#
- 1...Sh8
- 2.Qf8#
- 1...e4
- 2.Qxd4#
- 1...Sd6!
- 1...Sg5
- 1.Kh5?
- 1...Sg5
- 2.Qf8#
- 1...Sh6
- 2.Qf8#
- 1...Sd8
- 2.Qf8#
- 1...Sh8
- 2.Qf8#
- 1...e4
- 2.Qxd4#
- 1...Sd6!
- 1...Sg5
- 1.Sa4+?
- 1...Kb5
- 2.Sd6#
- 1...Kd5!
- 1...Kb5
- 1.Se4+?
- 1...Kb5
- 2.Scd6#
- 1...Kd5!
- 1...Kb5
- 1.Sd2?
- threat
- 2.Sde4#
- 1...Kd6
- 2.Bxb4#
- 1...Sg5
- 2.Qf8#
- 1...e4
- 2.Sdxe4#
- 1...Sd6!
- threat
- 1.Sa5?
- threat
- 2.Sb7#
- 1...Kd6
- 2.Bxb4#
- 1...Sd8
- 2.Qf8#
- 1...Sd6!
- threat
- 1.Be2?
- 1...Sg5
- 2.Qf8#
- 1...Sh6
- 2.Qf8#
- 1...Sd8
- 2.Qf8#
- 1...Sh8
- 2.Qf8#
- 1...e4
- 2.Qxd4#
- 1...Sd6!
- 1...Sg5
- 1.Bg2?
- threat
- 2.Ra5#
- 1...e4
- 2.Qxd4#
- 1...Sd6!
- threat
- 1.Bh3?
- 1...Sg5
- 2.Qf8#
- 1...Sh6
- 2.Qf8#
- 1...Sd8
- 2.Qf8#
- 1...Sh8
- 2.Qf8#
- 1...e4
- 2.Qxd4#
- 1...Sd6!
- 1...Sg5
- 1.Re1?
- 1...Sd6
- 2.Rxe5#
- 1...Sg5
- 2.Rxe5#
- 2.Qf8#
- 1...Sh6
- 2.Rxe5#
- 2.Qf8#
- 1...Sd8
- 2.Rxe5#
- 2.Qf8#
- 1...Sh8
- 2.Rxe5#
- 2.Qf8#
- 1...e4!
- 1...Sd6
- 1.Rd2?
- 1...Sg5
- 2.Qf8#
- 1...Sh6
- 2.Qf8#
- 1...Sd8
- 2.Qf8#
- 1...Sh8
- 2.Qf8#
- 1...e4
- 2.Qxd4#
- 1...Sd6!
- 1...Sg5
- 1.Rd3?
- 1...Sg5
- 2.Qf8#
- 1...Sh6
- 2.Qf8#
- 1...Sd8
- 2.Qf8#
- 1...Sh8
- 2.Qf8#
- 1...e4
- 2.Qxd4#
- 1...Sd6!
- 1...Sg5
- 1.Rxd4?
- threat
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rd5#
- 2.Rd6#
- 2.Rd7#
- 2.Rd8#
- 1...Sd6
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rd5#
- 2.Rxd6#
- 1...Sd8
- 2.Rd1#
- 2.Rd2#
- 2.Rd3#
- 2.Re4#
- 2.Rf4#
- 2.Rg4#
- 2.Rd5#
- 2.Rd6#
- 2.Rd7#
- 2.Rxd8#
- 1...e4
- 2.Rxe4#
- 2.Rd5#
- 1...exd4!
- threat
- 1.Qe3?
- 1...Sd6
- 2.Qxe5#
- 1...Sg5
- 2.Qxe5#
- 1...Sh6
- 2.Qxe5#
- 1...Sd8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...e4
- 2.Qxd4#
- 1...dxe3!
- 1...Sd6
- 1.Qf6?
- 1...d3
- 2.Qf2#
- 1...Sd6
- 2.Qxe5#
- 1...Sg5
- 2.Qxe5#
- 2.Qe7#
- 2.Qf8#
- 1...Sh6
- 2.Qxe5#
- 2.Qe7#
- 2.Qf8#
- 1...Sd8
- 2.Qxe5#
- 2.Qe7#
- 2.Qf8#
- 1...Sh8
- 2.Qxe5#
- 2.Qe7#
- 2.Qf8#
- 1...e4
- 2.Qxd4#
- 1...dxc3!
- 1...d3
- 1.Qxf7?
- threat
- 2.Qe7#
- 2.Qf8#
- 1...d3
- 2.Qf2#
- 1...dxc3!
- threat
- 1.Kg3?
- Keys
- 1.Se3!
- threat
- 2.Se4#
- 1...dxc3+
- 2.Sg4#
- 1...d3+
- 2.Sc4#
- 1...Kd6
- 2.Bxb4#
- 1...Sd6
- 2.Sa4#
- 1...Sg5
- 2.Qf8#
- 1...e4
- 2.Sxe4#
- threat
- 1.Se3!
This is a version
Version by Oscar Bonivento.
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- S(g);OGATE::QAB(D)
- P(d);N_GUARD::QAB1(D),XP(b)
- Tries
- Try
- K(I);S_FLIGHT
- Vars
- S(g);OGATE::QAB(D)
- P(d);N_GUARD::QAB1(D),XP(b)
- Refutation
- S(g);
- Try
- K(I);P-FLIGHT
- Vars
- S(g);OGATE::QAB(D)
- P(d);N_GUARD::QAB1(D),XP(b)
- Refutation
- S(g);
- Try
- S(G);CHECK
- Vars
- K(c);N_GUARD,N_SPINP(b),N_SPINR(a),P-FLIGHT::B(B)+S(H),DCHECK
- Refutation
- K(c);N_SPINR(a),P-FLIGHT
- Try
- S(G);CHECK
- Vars
- K(c);N_GUARD,N_SPINP(b),N_SPINR(a),P-FLIGHT::B(B)+S(H),DCHECK
- Refutation
- K(c);N_SPINR(a),P-FLIGHT
- Try
- S(H);
- Threat
- S(H)
- Vars
- K(c);N_GUARD,N_SPINP(b),S_FLIGHT::B(E),XR(a)
- S(g);OGATE::QAB(D)
- P(d);::S(H),XP(d)
- Refutation
- S(g);
- Try
- S(H);
- Threat
- S(H)
- Vars
- K(c);N_GUARD,S_FLIGHT::B(E),XR(a)
- S(g);OGATE::QAB(D)
- Refutation
- S(g);
- Try
- B(B);
- Vars
- S(g);OGATE::QAB(D)
- P(d);N_GUARD::QAB1(D),XP(b)
- Refutation
- S(g);
- Try
- B(B);
- Threat
- R(J)
- Vars
- P(d);N_GUARD::QAB1(D),XP(b)
- Refutation
- S(g);
- Try
- B(B);
- Vars
- S(g);OGATE::QAB(D)
- P(d);N_GUARD::QAB1(D),XP(b)
- Refutation
- S(g);
- Try
- R(A);
- Vars
- S(g);N_GUARD::R(A),XP(d)
- Refutation
- P(d);
- Try
- R(A);
- Vars
- S(g);OGATE::QAB(D)
- P(d);N_GUARD::QAB1(D),XP(b)
- Refutation
- S(g);
- Try
- R(A);
- Vars
- S(g);OGATE::QAB(D)
- P(d);N_GUARD::QAB1(D),XP(b)
- Refutation
- S(g);
- Try
- R(A);XP(b)
- Threat
- DUALS(10)
- Refutation
- P(d);P_SPINP(d),XR(A)
- Try
- Q(D);
- Vars
- S(g);N_GUARD::QAR2(D),XP(d)
- P(d);N_GUARD::QAB1(D),XP(b)
- Refutation
- P(b);N_SPINP(b),P_PINS(H),XQ(D)
- Try
- Q(D);N_PINP(b)
- Vars
- P(b);OGATEB,P_PINS(H)::QAB(D)
- S(g);N_GUARD::QAR2(D),XP(d)
- P(d);OGATE::QAB1(D),XP(b)
- Refutation
- P(b);P_PINS(H),XS(G)
- Try
- Q(D);N_PINP(b),XS(g)
- Threat
- DUALS(2)
- Vars
- P(b);OGATEB,P_PINS(H)::QAB(D)
- Refutation
- P(b);P_PINS(H),XS(G)
- Try
- Actual
- S(H);N_PINP(b)
- Threat
- S(G)
- Vars
- P(b);CHECK,XS(G)::QAB(D)+S(H)
- P(b);CHECK::QAB(D)+S(H)
- K(c);N_GUARD,P_SPINP(b),S_FLIGHT::B(E),XR(a)
- S(g);SBLOCK::S(G)
- S(g);OGATE::QAB(D)
- P(d);::S(G),XP(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).