MESON Chess Problem Database
Problem Display
PID: 107821 (2Q1b2q/4P3/1p1P4/1kp5/R3R1P1/P1p5/p1P5/K2N4 w - - 0 1)
Brunner, Erich Anselm
Genf Solving Ty., 1926
#2
10 + 7
| 6490 | yacpdb | 2009 |
| 133 | The Problemist Supplement | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qd4
- 2.Qxe8#
- 1...Qe5
- 2.Qxe8#
- 1...Qf6
- 2.Qxe8#
- 1...Qg7
- 2.Qxe8#
- 1...Qh1
- 2.Qxe8#
- 1...Qh2
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh3
- 2.Qxe8#
- 1...Qh4
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh5
- 2.Sxc3#
- 1...Qh6
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh7
- 2.Sxc3#
- 2.Qxe8#
- 1...Qf8
- 2.Sxc3#
- 1...Qg8
- 2.Sxc3#
- 1...Bh5
- 2.Qd7#
- 1...Bc6
- 2.Qa6#
- 1...Bg6
- 2.Qd7#
- 1...Bd7
- 2.Qxd7#
- 1...Bf7
- 2.Qd7#
- 1...c4
- 2.Qxc4#
- 1...Qd4
- Tries
- 1.Rab4+?
- 1...Ka5
- 2.Qa8#
- 1...cxb4!
- 1...Ka5
- 1.Ra5+?
- 1...bxa5
- 2.Qb7#
- 1...Kxa5!
- 1...bxa5
- 1.Ra6?
- threat
- 2.a4#
- 1...c4
- 2.Qxc4#
- 1...Qd4!
- threat
- 1.Ra7?
- threat
- 2.a4#
- 1...c4
- 2.Qxc4#
- 1...Qd4!
- threat
- 1.Ra8?
- threat
- 2.a4#
- 1...c4
- 2.Qxc4#
- 1...Qd4!
- threat
- 1.Re2?
- 1...Kxa4
- 2.Qa6#
- 1...Qh5
- 2.Sxc3#
- 1...Qd4
- 2.Qxe8#
- 1...Qe5
- 2.Qxe8#
- 1...Qf6
- 2.Qxe8#
- 1...Qg7
- 2.Qxe8#
- 1...Qh2
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh3
- 2.Qxe8#
- 1...Qh4
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh6
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh7
- 2.Sxc3#
- 2.Qxe8#
- 1...Qf8
- 2.Sxc3#
- 1...Qg8
- 2.Sxc3#
- 1...Bh5
- 2.Qd7#
- 1...Bc6
- 2.Qa6#
- 1...Bg6
- 2.Qd7#
- 1...Bd7
- 2.Qxd7#
- 1...Bf7
- 2.Qd7#
- 1...c4
- 2.Qxc4#
- 1...Qh1!
- 1...Kxa4
- 1.Re3?
- 1...Kxa4
- 2.Qa6#
- 1...Qh5
- 2.Sxc3#
- 1...Qd4
- 2.Qxe8#
- 1...Qe5
- 2.Qxe8#
- 1...Qf6
- 2.Qxe8#
- 1...Qg7
- 2.Qxe8#
- 1...Qh2
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh3
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh4
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh6
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh7
- 2.Sxc3#
- 2.Qxe8#
- 1...Qf8
- 2.Sxc3#
- 1...Qg8
- 2.Sxc3#
- 1...Bh5
- 2.Qd7#
- 1...Bc6
- 2.Qa6#
- 1...Bg6
- 2.Qd7#
- 1...Bd7
- 2.Qxd7#
- 1...Bf7
- 2.Qd7#
- 1...c4
- 2.Qxc4#
- 1...Qh1!
- 1...Kxa4
- 1.Rec4?
- 1...Qh5
- 2.Sxc3#
- 1...Qd4
- 2.Qxe8#
- 1...Qe5
- 2.Qxe8#
- 1...Qf6
- 2.Qxe8#
- 1...Qg7
- 2.Qxe8#
- 1...Qh2
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh3
- 2.Qxe8#
- 1...Qh4
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh6
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh7
- 2.Sxc3#
- 2.Qxe8#
- 1...Qf8
- 2.Sxc3#
- 1...Qg8
- 2.Sxc3#
- 1...Bh5
- 2.Qd7#
- 1...Bc6
- 2.Qa6#
- 1...Bg6
- 2.Qd7#
- 1...Bd7
- 2.Qxd7#
- 1...Bf7
- 2.Qd7#
- 1...Qh1!
- 1...Qh5
- 1.Red4?
- threat
- 2.Sxc3#
- 1...Qxd4
- 2.Qxe8#
- 1...cxd4
- 2.Qc4#
- 1...Qh3
- 2.Qxe8#
- 1...Qh1!
- threat
- 1.Rf4?
- 1...Qd4
- 2.Qxe8#
- 1...c4
- 2.Qxc4#
- 1...Qe5
- 2.Qxe8#
- 1...Qf6
- 2.Qxe8#
- 1...Qg7
- 2.Qxe8#
- 1...Qh2
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh3
- 2.Qxe8#
- 1...Qh4
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh5
- 2.Sxc3#
- 1...Qh6
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh7
- 2.Sxc3#
- 2.Qxe8#
- 1...Qf8
- 2.Sxc3#
- 1...Qg8
- 2.Sxc3#
- 1...Bh5
- 2.Qd7#
- 1...Bc6
- 2.Qa6#
- 1...Bg6
- 2.Qd7#
- 1...Bd7
- 2.Qxd7#
- 1...Bf7
- 2.Qd7#
- 1...Qh1!
- 1...Qd4
- 1.Re5?
- threat
- 2.Sxc3#
- 1...Kxa4
- 2.Qa6#
- 1...Qxe5
- 2.Qxe8#
- 1...Qh3
- 2.Qxe8#
- 1...Qh1!
- threat
- 1.Re6?
- 1...Kxa4
- 2.Qa6#
- 1...Qd4
- 2.Qxe8#
- 1...Qe5
- 2.Qxe8#
- 1...Qf6
- 2.Qxe8#
- 1...Qg7
- 2.Qxe8#
- 1...Qh2
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh3
- 2.Qxe8#
- 1...Qh4
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh5
- 2.Sxc3#
- 1...Qh6
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh7
- 2.Sxc3#
- 2.Qxe8#
- 1...Qf8
- 2.Sxc3#
- 1...Qg8
- 2.Sxc3#
- 1...Bh5
- 2.Qd7#
- 1...Bc6
- 2.Qa6#
- 1...Bg6
- 2.Qd7#
- 1...Bd7
- 2.Qxd7#
- 1...Bf7
- 2.Qd7#
- 1...c4
- 2.Qxc4#
- 1...Qh1!
- 1...Kxa4
- 1.g5?
- 1...Qd4
- 2.Qxe8#
- 1...c4
- 2.Qxc4#
- 1...Qh1
- 2.Qxe8#
- 1...Qe5
- 2.Qxe8#
- 1...Qf6
- 2.Qxe8#
- 1...Qg7
- 2.Qxe8#
- 1...Qh2
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh4
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh5
- 2.Sxc3#
- 1...Qh6
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh7
- 2.Sxc3#
- 2.Qxe8#
- 1...Qf8
- 2.Sxc3#
- 1...Qg8
- 2.Sxc3#
- 1...Bh5
- 2.Qd7#
- 1...Bc6
- 2.Qa6#
- 1...Bg6
- 2.Qd7#
- 1...Bd7
- 2.Qxd7#
- 1...Bf7
- 2.Qd7#
- 1...Qh3!
- 1...Qd4
- 1.Rab4+?
- Keys
- 1.Re1!
- 1...Kxa4
- 2.Qa6#
- 1...Qh5
- 2.Sxc3#
- 1...Qd4
- 2.Qxe8#
- 1...Qe5
- 2.Qxe8#
- 1...Qf6
- 2.Qxe8#
- 1...Qg7
- 2.Qxe8#
- 1...Qh1
- 2.Sxc3#
- 1...Qh2
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh3
- 2.Qxe8#
- 1...Qh4
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh6
- 2.Sxc3#
- 2.Qxe8#
- 1...Qh7
- 2.Sxc3#
- 2.Qxe8#
- 1...Qf8
- 2.Sxc3#
- 1...Qg8
- 2.Sxc3#
- 1...Bh5
- 2.Qd7#
- 1...Bc6
- 2.Qa6#
- 1...Bg6
- 2.Qd7#
- 1...Bd7
- 2.Qxd7#
- 1...Bf7
- 2.Qd7#
- 1...c4
- 2.Qxc4#
- 1...Kxa4
- 1.Re1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(g);N_GUARD::QAB(J),XB(f)
- Q(g);N_GUARD,P_PINS(B)::QAB(J),XB(f)
- Q(g);N_GUARD::S(B),XP(b)
- B(f);N_GUARD::QAB(J)
- B(f);SBLOCK::QAB1(J)
- B(f);N_GUARD::QAB(J),XB(f)
- P(d);OGATE::QAB1(J),XP(d)
- Tries
- Try
- R(E);CHECK
- Vars
- K(c);P-FLIGHT::QAR(J)
- Refutation
- P(d);XR(E)
- Try
- R(E);CHECK
- Vars
- P(e);SBLOCK,XR(E)::QAR2(J)
- Refutation
- K(c);P-FLIGHT,XR(E)
- Try
- R(E);
- Threat
- P(D)
- Vars
- P(d);OGATE::QAB1(J),XP(d)
- Refutation
- Q(g);
- Try
- R(E);
- Threat
- P(D)
- Vars
- P(d);OGATE::QAB1(J),XP(d)
- Refutation
- Q(g);
- Try
- R(E);
- Threat
- P(D)
- Vars
- P(d);OGATE::QAB1(J),XP(d)
- Refutation
- Q(g);
- Try
- R(F);
- Vars
- K(c);S_FLIGHT,XR(E)::QAR2(J)
- Q(g);N_GUARD::S(B),XP(b)
- Q(g);N_GUARD::QAB(J),XB(f)
- B(f);N_GUARD::QAB(J)
- B(f);SBLOCK::QAB1(J)
- B(f);N_GUARD::QAB(J),XB(f)
- P(d);OGATE::QAB1(J),XP(d)
- Refutation
- Q(g);P_PINS(B)
- Try
- R(F);
- Vars
- K(c);S_FLIGHT,XR(E)::QAR2(J)
- Q(g);N_GUARD::S(B),XP(b)
- Q(g);N_GUARD::QAB(J),XB(f)
- B(f);N_GUARD::QAB(J)
- B(f);SBLOCK::QAB1(J)
- B(f);N_GUARD::QAB(J),XB(f)
- P(d);OGATE::QAB1(J),XP(d)
- Refutation
- Q(g);P_PINS(B)
- Try
- R(F);
- Vars
- Q(g);N_GUARD::S(B),XP(b)
- Q(g);N_GUARD::QAB(J),XB(f)
- B(f);N_GUARD::QAB(J)
- B(f);SBLOCK::QAB1(J)
- B(f);N_GUARD::QAB(J),XB(f)
- Refutation
- Q(g);P_PINS(B)
- Try
- R(F);
- Threat
- S(B),XP(b)
- Vars
- Q(g);N_GUARD,XR(F)::QAB(J),XB(f)
- P(d);OGATE,XR(F)::QAB1(J)
- Q(g);N_GUARD::QAB(J),XB(f)
- Refutation
- Q(g);P_PINS(B)
- Try
- R(F);
- Vars
- Q(g);N_GUARD::QAB(J),XB(f)
- P(d);OGATE::QAB1(J),XP(d)
- Q(g);N_GUARD::S(B),XP(b)
- B(f);N_GUARD::QAB(J)
- B(f);SBLOCK::QAB1(J)
- B(f);N_GUARD::QAB(J),XB(f)
- Refutation
- Q(g);P_PINS(B)
- Try
- R(F);P_PINP(d)
- Threat
- S(B),XP(b)
- Vars
- K(c);N_SPINP(d),S_FLIGHT,XR(E)::QAR2(J)
- Q(g);N_GUARD,N_SPINP(d),XR(F)::QAB(J),XB(f)
- Q(g);N_GUARD::QAB(J),XB(f)
- Refutation
- Q(g);P_PINS(B)
- Try
- R(F);
- Vars
- K(c);S_FLIGHT,XR(E)::QAR2(J)
- Q(g);N_GUARD::QAB(J),XB(f)
- Q(g);N_GUARD::S(B),XP(b)
- B(f);N_GUARD::QAB(J)
- B(f);SBLOCK::QAB1(J)
- B(f);N_GUARD::QAB(J),XB(f)
- P(d);OGATE::QAB1(J),XP(d)
- Refutation
- Q(g);P_PINS(B)
- Try
- P(G);
- Vars
- Q(g);N_GUARD::QAB(J),XB(f)
- P(d);OGATE::QAB1(J),XP(d)
- Q(g);N_GUARD,P_PINS(B)::QAB(J),XB(f)
- Q(g);N_GUARD::S(B),XP(b)
- B(f);N_GUARD::QAB(J)
- B(f);SBLOCK::QAB1(J)
- B(f);N_GUARD::QAB(J),XB(f)
- Refutation
- Q(g);
- Try
- Actual
- R(F);
- Vars
- K(c);S_FLIGHT,XR(E)::QAR2(J)
- Q(g);N_GUARD::S(B),XP(b)
- Q(g);N_GUARD::QAB(J),XB(f)
- B(f);N_GUARD::QAB(J)
- B(f);SBLOCK::QAB1(J)
- B(f);N_GUARD::QAB(J),XB(f)
- P(d);OGATE::QAB1(J),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).