MESON Chess Problem Database
Problem Display
PID: 258584 (5b2/1Q2n3/2q1p2r/1N2pPB1/K1B1k3/2P1pR2/8/3R2N1 w - - 0 1)
Lender, Baruch
Szachy, 1978
#2
10 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qd5
- 2.Sd6#
- 2.Bd3#
- 1...Qxb7
- 2.Sd6#
- 1...Sd5
- 2.Bd3#
- 1...Sxf5
- 2.Qxc6#
- 1...Sg6
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...Sg8
- 2.Qxc6#
- 1...exf5
- 2.Rxe3#
- 1...Qd5
- Tries
- 1.Kb3?
- threat
- 2.Sd6#
- 1...Sxf5
- 2.Qxc6#
- 1...exf5
- 2.Rxe3#
- 1...Sd5
- 2.Bd3#
- 1...Sg6
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...Sg8
- 2.Qxc6#
- 1...Qxb7!
- threat
- 1.Bxe7?
- threat
- 2.Qxc6#
- 1...Qxb7
- 2.Sd6#
- 1...Qd5
- 2.Sd6#
- 2.Bd3#
- 1...exf5!
- threat
- 1.Re1?
- threat
- 2.Rexe3#
- 1...Sxf5
- 2.Qxc6#
- 1...e2
- 2.Rxe2#
- 1...Sd5!
- threat
- 1.Rd3?
- threat
- 2.Rdxe3#
- 1...Sxf5
- 2.Qxc6#
- 1...e2
- 2.Rde3#
- 1...Sd5!
- threat
- 1.Rd7?
- threat
- 2.Bd3#
- 1...Qd5
- 2.Sd6#
- 1...Sd5!
- threat
- 1.Rd8?
- threat
- 2.Bd3#
- 1...Qd5
- 2.Sd6#
- 1...Sd5!
- threat
- 1.Qxc6+?
- 1...Sd5
- 2.Bd3#
- 1...Sxc6!
- 1...Sd5
- 1.Kb3?
- Keys
- 1.Ka5!
- threat
- 2.Sd6#
- 1...Sxf5
- 2.Qxc6#
- 1...exf5
- 2.Rxe3#
- 1...Qd5
- 2.Bd3#
- 1...Sd5
- 2.Bd3#
- 1...Sg6
- 2.Qxc6#
- 1...Sc8
- 2.Qxc6#
- 1...Sg8
- 2.Qxc6#
- threat
- 1.Ka5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- Q(d);N_PINS(G),N_SPINQ(d),XQ(J)::S(G)
- S(g);N_SPINQ(d),SBLOCK::B(F)
- S(g);N_GUARD,XP(H)::QAB(J),XQ(d)
- S(g);N_GUARD::QAB(J),XQ(d)
- P(e);SBLOCK,XP(H)::R1(D),XP(a)
- Tries
- Try
- K(E);N_SPINS(G),S_FLIGHT
- Threat
- S(G)
- Vars
- S(g);N_GUARD,XP(H)::QAB(J),XQ(d)
- P(e);SBLOCK,XP(H)::R1(D),XP(a)
- S(g);N_SPINQ(d),SBLOCK::B(F)
- S(g);N_GUARD::QAB(J),XQ(d)
- Refutation
- Q(d);N_SPINQ(d),P_PINS(G),XQ(J)
- Try
- B(I);XS(g)
- Threat
- QAB(J),XQ(d)
- Vars
- Q(d);N_PINS(G),N_SPINQ(d),XQ(J)::S(G)
- Refutation
- P(e);XP(H)
- Try
- R(A);P_PINP(a)
- Threat
- R1(A),XP(a)
- Vars
- S(g);N_GUARD,XP(H)::QAB(J),XQ(d)
- P(a);OGATEB::R(A),XP(a)
- Refutation
- S(g);N_SPINQ(d)
- Try
- R(A);
- Threat
- R1(A),XP(a)
- Vars
- S(g);N_GUARD,XP(H)::QAB(J),XQ(d)
- P(a);::R1(A)
- Refutation
- S(g);N_SPINQ(d)
- Try
- R(A);
- Threat
- B(F)
- Vars
- Q(d);N_PINS(G)::S(G)
- Refutation
- S(g);N_SPINQ(d)
- Try
- R(A);
- Threat
- B(F)
- Vars
- Q(d);N_PINS(G)::S(G)
- Refutation
- S(g);N_SPINQ(d)
- Try
- Q(J);CHECK,N_SPINS(G),XQ(d)
- Vars
- S(g);P_SPINS(g)::B(F)
- Refutation
- S(g);XQ(J)
- Try
- Actual
- K(E);N_SPINS(G),P-FLIGHT
- Threat
- S(G)
- Vars
- S(g);N_GUARD,XP(H)::QAB(J),XQ(d)
- P(e);SBLOCK,XP(H)::R1(D),XP(a)
- Q(d);P_PINS(G)::B(F)
- S(g);N_SPINQ(d),SBLOCK::B(F)
- S(g);N_GUARD::QAB(J),XQ(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).