MESON Chess Problem Database
Problem Display
PID: 205754 (4B1N1/p2p3p/Rb1pk2P/1PP1p1pP/1p2QnN1/1P3Rp1/6P1/5K2 w - - 0 1)
Riedl, Max
2nd Prize, Unterfrankische Arbeiter-Schachzeitung, 1925
#2
13 + 11
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ba5
- 2.Rxd6#
- 2.Qxe5#
- 1...Bxc5
- 2.Qxe5#
- 1...Bc7
- 2.Qxe5#
- 1...Bd8
- 2.Rxd6#
- 2.Qxe5#
- 1...Se2
- 2.Bf7#
- 2.Rf6#
- 1...Sxg2
- 2.Bf7#
- 2.Rf6#
- 1...Sd3
- 2.Bf7#
- 2.Rf6#
- 1...Sh3
- 2.Bf7#
- 2.Rf6#
- 1...Sd5
- 2.Bf7#
- 2.Qf5#
- 1...Sxh5
- 2.Bf7#
- 1...Sg6
- 2.Bf7#
- 2.Rf6#
- 1...dxc5
- 2.Qxe5#
- 1...d5
- 2.Qxe5#
- 1...Ba5
- Tries
- 1.Sxe5?
- threat
- 2.Sd3#
- 2.Sc4#
- 2.Sg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 2.Bxd7#
- 2.Bf7#
- 1...dxc5
- 2.Sc4#
- 2.Sf7#
- 1...Sd3
- 2.Sxd3#
- 2.Bxd7#
- 2.Bf7#
- 2.Rf6#
- 1...Sg6
- 2.Sxg6#
- 2.Bxd7#
- 2.Bf7#
- 2.Rf6#
- 1...g4
- 2.Sd3#
- 2.Sc4#
- 2.Sxg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sxd7#
- 2.Sf7#
- 2.Bxd7#
- 2.Bf7#
- 1...d5
- 2.Bxd7#
- 2.Bf7#
- 1...dxe5!
- threat
- 1.Bg6?
- 1...Bxc5
- 2.Qxe5#
- 1...Sxg2
- 2.Bf7#
- 2.Rf6#
- 1...Sxh5
- 2.Bf7#
- 1...Sxg6
- 2.Rf6#
- 1...dxc5
- 2.Qxe5#
- 1...Ba5
- 2.Rxd6#
- 2.Qxe5#
- 1...Bc7
- 2.Qxe5#
- 1...Bd8
- 2.Rxd6#
- 2.Qxe5#
- 1...Se2
- 2.Bf7#
- 2.Rf6#
- 1...Sd3
- 2.Bf7#
- 2.Rf6#
- 1...Sh3
- 2.Bf7#
- 2.Rf6#
- 1...Sd5
- 2.Bf7#
- 2.Qf5#
- 1...d5
- 2.Qf5#
- 2.Qxe5#
- 1...hxg6!
- 1...Bxc5
- 1.Rf2?
- 1...Bxc5
- 2.Qxe5#
- 1...Sxg2
- 2.Bf7#
- 2.Rf6#
- 1...Sxh5
- 2.Bf7#
- 1...dxc5
- 2.Qxe5#
- 1...Ba5
- 2.Rxd6#
- 2.Qxe5#
- 1...Bc7
- 2.Qxe5#
- 1...Bd8
- 2.Rxd6#
- 2.Qxe5#
- 1...Se2
- 2.Bf7#
- 2.Rf6#
- 1...Sd3
- 2.Bf7#
- 2.Rf6#
- 1...Sh3
- 2.Bf7#
- 2.Rf6#
- 1...Sd5
- 2.Bf7#
- 2.Qf5#
- 1...Sg6
- 2.Bf7#
- 2.Rf6#
- 1...d5
- 2.Qxe5#
- 1...gxf2!
- 1...Bxc5
- 1.Rxf4?
- threat
- 2.Bf7#
- 2.Rf6#
- 1...dxc5
- 2.Rf6#
- 2.Qxe5#
- 1...Bd8
- 2.Bf7#
- 2.Rxd6#
- 2.Qc4#
- 2.Qxe5#
- 1...gxf4!
- threat
- 1.Rxb6?
- threat
- 2.Rxd6#
- 2.Qxe5#
- 1...Sd3
- 2.Bf7#
- 2.Rf6#
- 2.Rxd6#
- 2.Qc4#
- 1...Sg6
- 2.Bf7#
- 2.Rf6#
- 2.Rxd6#
- 2.Qc4#
- 1...axb6!
- threat
- 1.Qd5+?
- 1...Kf5
- 2.Se3#
- 2.Bxd7#
- 1...Sxd5
- 2.Bf7#
- 1...Kxd5!
- 1...Kf5
- 1.Qxh7?
- threat
- 2.Bf7#
- 2.Qf7#
- 1...dxc5
- 2.Qxd7#
- 1...Kd5!
- threat
- 1.Qe1?
- 1...Kf5
- 2.Bxd7#
- 1...Bxc5
- 2.Qxe5#
- 1...Sxg2
- 2.Bf7#
- 1...Sxh5
- 2.Bf7#
- 1...dxc5
- 2.Qxe5#
- 1...Ba5
- 2.Qxe5#
- 1...Bc7
- 2.Qxe5#
- 1...Bd8
- 2.Qxe5#
- 1...Se2
- 2.Bf7#
- 1...Sd3
- 2.Bf7#
- 1...Sh3
- 2.Bf7#
- 1...Sd5
- 2.Bf7#
- 1...Sg6
- 2.Bf7#
- 1...e4
- 2.Qxe4#
- 1...d5
- 2.Qxe5#
- 1...Kd5!
- 1...Kf5
- 1.Qe3?
- 1...Kf5
- 2.Bxd7#
- 1...Bxc5
- 2.Qxe5#
- 1...Sxg2
- 2.Bf7#
- 1...Sxh5
- 2.Bf7#
- 1...dxc5
- 2.Qxe5#
- 1...Ba5
- 2.Qxe5#
- 1...Bc7
- 2.Qxe5#
- 1...Bd8
- 2.Qxe5#
- 1...Se2
- 2.Bf7#
- 1...Sd3
- 2.Bf7#
- 1...Sh3
- 2.Bf7#
- 1...Sd5
- 2.Bf7#
- 1...Sg6
- 2.Bf7#
- 1...e4
- 2.Qxe4#
- 1...d5
- 2.Qxe5#
- 1...Kd5!
- 1...Kf5
- 1.Qc4+?
- 1...Kf5
- 2.Se3#
- 2.Bxd7#
- 1...Sd5
- 2.Bf7#
- 2.Rf6#
- 1...d5!
- 1...Kf5
- 1.Qd4?
- 1...Kf5
- 2.Bxd7#
- 1...Bxc5
- 2.Qxe5#
- 1...Sxg2
- 2.Bf7#
- 2.Rf6#
- 2.Qxd6#
- 1...Sxh5
- 2.Bf7#
- 2.Qxd6#
- 1...dxc5
- 2.Qxe5#
- 2.Qxd7#
- 1...Ba5
- 2.Qxe5#
- 1...Bc7
- 2.Qxe5#
- 1...Bd8
- 2.Qxe5#
- 1...Se2
- 2.Bf7#
- 2.Rf6#
- 2.Qxd6#
- 1...Sd3
- 2.Bf7#
- 2.Rf6#
- 2.Qxd6#
- 1...Sh3
- 2.Bf7#
- 2.Rf6#
- 2.Qxd6#
- 1...Sd5
- 2.Bf7#
- 1...Sg6
- 2.Bf7#
- 2.Rf6#
- 2.Qxd6#
- 1...e4
- 2.Qxe4#
- 1...d5
- 2.Qxe5#
- 1...exd4!
- 1...Kf5
- 1.cxb6?
- 1...Sxg2
- 2.Bf7#
- 2.Rf6#
- 1...Sxh5
- 2.Bf7#
- 1...d5
- 2.Qxe5#
- 1...Se2
- 2.Bf7#
- 2.Rf6#
- 1...Sd3
- 2.Bf7#
- 2.Rf6#
- 1...Sh3
- 2.Bf7#
- 2.Rf6#
- 1...Sd5
- 2.Bf7#
- 2.Qf5#
- 1...Sg6
- 2.Bf7#
- 2.Rf6#
- 1...axb6!
- 1...Sxg2
- 1.cxd6?
- threat
- 2.Qxe5#
- 1...Kxd6
- 2.Qxe5#
- 1...Sd3
- 2.Rf6#
- 1...Sg6
- 2.Rf6#
- 1...Bd4!
- threat
- 1.Sxe5?
- Keys
- 1.Qe2!
- 1...Kd5
- 2.Qc4#
- 1...Kf5
- 2.Bxd7#
- 1...Bxc5
- 2.Qxe5#
- 1...Sxe2
- 2.Bf7#
- 1...Sxg2
- 2.Bf7#
- 1...Sxh5
- 2.Bf7#
- 1...dxc5
- 2.Qxe5#
- 1...Ba5
- 2.Qxe5#
- 1...Bc7
- 2.Qxe5#
- 1...Bd8
- 2.Qxe5#
- 1...Sd3
- 2.Bf7#
- 1...Sh3
- 2.Bf7#
- 1...Sd5
- 2.Bf7#
- 1...Sg6
- 2.Bf7#
- 1...e4
- 2.Qxe4#
- 1...d5
- 2.Qxe5#
- 1...Kd5
- 1.Qe2!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 0
- Sets
- B(f);S_CUTP(g),XP(H)::QAR1(E),XP(d)
- B(f);S_CUTP(g)::QAR1(E),XP(d)
- S(c);XP(I)::B(L)
- P(g);N_GUARD,P_SPINB(f),XP(H)::QAR1(E),XP(d)
- P(g);N_GUARD,P_SPINB(f)::QAR1(E),XP(d)
- Tries
- Try
- S(F);XP(d)
- Threat
- DUALS(9)
- Refutation
- P(g);P_SPINB(f),P_SPINP(g),XS(F)
- Try
- B(L);
- Vars
- B(f);S_CUTP(g),XP(H)::QAR1(E),XP(d)
- S(c);XP(I)::B(L)
- S(c);OGATE,XB(L)::R1(D)
- P(g);N_GUARD,P_SPINB(f),XP(H)::QAR1(E),XP(d)
- B(f);S_CUTP(g)::QAR1(E),XP(d)
- Refutation
- P(k);XB(L)
- Try
- R(D);
- Vars
- B(f);S_CUTP(g),XP(H)::QAR1(E),XP(d)
- S(c);XP(I)::B(L)
- P(g);N_GUARD,P_SPINB(f),XP(H)::QAR1(E),XP(d)
- B(f);S_CUTP(g)::QAR1(E),XP(d)
- P(g);N_GUARD,P_SPINB(f)::QAR1(E),XP(d)
- Refutation
- P(a);XR(D)
- Try
- R(D);XS(c)
- Threat
- DUALS(2)
- Refutation
- P(e);XR(D)
- Try
- R(J);XB(f)
- Threat
- DUALS(2)
- Refutation
- P(i);XR(J)
- Try
- Q(E);CHECK,N_PINP(d)
- Vars
- S(c);SBLOCK,XQ(E)::B(L)
- Refutation
- K(h);S_FLIGHT,XQ(E)
- Try
- Q(E);N_PINP(d),XP(k)
- Threat
- DUALS(2)
- Vars
- P(g);P_SPINB(f),XP(H)::QAB1(E),XP(j)
- Refutation
- K(h);S_FLIGHT
- Try
- Q(E);
- Vars
- K(h);N_SPINP(d),P_SPINS(c),S_FLIGHT::B(L),XP(j)
- B(f);S_CUTP(g),XP(H)::QAR1(E),XP(d)
- S(c);XP(B)::B(L)
- S(c);XP(I)::B(L)
- P(g);N_GUARD,P_SPINB(f),XP(H)::QAR1(E),XP(d)
- B(f);S_CUTP(g)::QAR1(E),XP(d)
- S(c);N_SPINP(d)::B(L)
- S(c);::B(L)
- S(c);SBLOCK::B(L)
- P(d);OGATEB::QAR2(E),XP(d)
- P(g);N_GUARD,P_SPINB(f)::QAR1(E),XP(d)
- Refutation
- K(h);N_SPINP(d),S_FLIGHT
- Try
- Q(E);
- Vars
- K(h);N_SPINP(d),P_SPINS(c),S_FLIGHT::B(L),XP(j)
- B(f);S_CUTP(g),XP(H)::QAR1(E),XP(d)
- S(c);XP(B)::B(L)
- S(c);XP(I)::B(L)
- P(g);N_GUARD,P_SPINB(f),XP(H)::QAR1(E),XP(d)
- B(f);S_CUTP(g)::QAR1(E),XP(d)
- S(c);::B(L)
- S(c);SBLOCK::B(L)
- P(d);OGATEB::QAR2(E),XP(d)
- P(g);N_GUARD,P_SPINB(f)::QAR1(E),XP(d)
- Refutation
- K(h);N_SPINP(d),S_FLIGHT
- Try
- Q(E);CHECK,N_PINP(d)
- Refutation
- P(g);P_SPINB(f),P_SPINP(g)
- Try
- Q(E);N_PINP(d)
- Vars
- K(h);P_SPINS(c),S_FLIGHT::B(L),XP(j)
- B(f);P_SPINP(g),XP(H)::QAR1(E),XP(d)
- B(f);P_SPINP(g)::QAR1(E),XP(d)
- S(c);::B(L)
- P(d);OGATEB::QAR2(E),XP(d)
- P(g);N_GUARD,P_SPINB(f)::QAR1(E),XP(d)
- Refutation
- P(d);XQ(E)
- Try
- P(H);XB(f)
- Vars
- S(c);XP(I)::B(L)
- P(g);N_GUARD::QAR1(E),XP(d)
- Refutation
- P(i);XP(H)
- Try
- P(H);XP(g)
- Threat
- QAR1(E),XP(d)
- Vars
- K(h);N_SPINP(d),P-FLIGHT,P_SPINB(f),XP(H)::QAB1(E),XP(d)
- S(c);OGATE::R1(D)
- Refutation
- B(f);
- Try
- Actual
- Q(E);
- Vars
- K(h);N_SPINP(d),S_FLIGHT::QAB1(E)
- K(h);N_SPINP(d),P_SPINS(c),S_FLIGHT::B(L),XP(j)
- B(f);S_CUTP(g),XP(H)::QAR1(E),XP(d)
- S(c);N_SPINP(d),XQ(E)::B(L)
- S(c);XP(B)::B(L)
- S(c);XP(I)::B(L)
- P(g);N_GUARD,P_SPINB(f),XP(H)::QAR1(E),XP(d)
- B(f);S_CUTP(g)::QAR1(E),XP(d)
- S(c);::B(L)
- S(c);SBLOCK::B(L)
- P(d);OGATEB::QAR2(E),XP(d)
- P(g);N_GUARD,P_SPINB(f)::QAR1(E),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).