MESON Chess Problem Database
Problem Display
PID: 229042 (8/4pp2/5r2/1BK1N1Q1/1p1Nkp2/1p6/1B1P1n2/8 w - - 0 1)
Almay, Joszef
Tijdschrift vd KNSB, 1926
#2
7 + 8
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rf5
- 2.Qxf5#
- 1...Ra6
- 2.Qf5#
- 1...Rb6
- 2.Qf5#
- 1...Rc6+
- 2.Bxc6#
- 1...Rd6
- 2.Qf5#
- 1...Re6
- 2.Qf5#
- 1...Rg6
- 2.Qf5#
- 1...Rh6
- 2.Qf5#
- 1...Sd1
- 2.Bd3#
- 1...Sh1
- 2.Bd3#
- 1...Sd3+
- 2.Bxd3#
- 1...Sh3
- 2.Bd3#
- 1...Sg4
- 2.Bd3#
- 1...f3
- 2.Qe3#
- 1...e6
- 2.Bc6#
- 1...Rf5
- Tries
- 1.Se6?
- threat
- 2.Bc6#
- 1...Sd3+
- 2.Bxd3#
- 1...Rxe6!
- threat
- 1.Ba1?
- 1...Rc6+
- 2.Bxc6#
- 1...Sd3+
- 2.Bxd3#
- 1...Rf5
- 2.Qxf5#
- 1...Ra6
- 2.Qf5#
- 1...Rb6
- 2.Qf5#
- 1...Rd6
- 2.Qf5#
- 1...Re6
- 2.Qf5#
- 1...Rg6
- 2.Qf5#
- 1...Rh6
- 2.Qf5#
- 1...Sd1
- 2.Bd3#
- 1...Sh1
- 2.Bd3#
- 1...Sh3
- 2.Bd3#
- 1...Sg4
- 2.Bd3#
- 1...f3
- 2.Qe3#
- 1...e6
- 2.Bc6#
- 1...b2!
- 1...Rc6+
- 1.Bc1?
- 1...Rc6+
- 2.Bxc6#
- 1...Sd3+
- 2.Bxd3#
- 1...Rf5
- 2.Qxf5#
- 1...Ra6
- 2.Qf5#
- 1...Rb6
- 2.Qf5#
- 1...Rd6
- 2.Qf5#
- 1...Re6
- 2.Qf5#
- 1...Rg6
- 2.Qf5#
- 1...Rh6
- 2.Qf5#
- 1...Sd1
- 2.Bd3#
- 2.d3#
- 1...Sh1
- 2.Bd3#
- 2.d3#
- 1...Sh3
- 2.Bd3#
- 2.d3#
- 1...Sg4
- 2.Bd3#
- 2.d3#
- 1...f3
- 2.Qe3#
- 1...e6
- 2.Bc6#
- 1...b2!
- 1...Rc6+
- 1.Be2?
- threat
- 2.Bf3#
- 1...Sd3+
- 2.Bxd3#
- 1...Rf5
- 2.Qxf5#
- 1...f3
- 2.Qe3#
- 1...Rc6+!
- threat
- 1.Ba6?
- 1...Sd3+
- 2.Bxd3#
- 1...Rxa6
- 2.Qf5#
- 1...Rf5
- 2.Qxf5#
- 1...Rb6
- 2.Qf5#
- 1...Rd6
- 2.Qf5#
- 1...Re6
- 2.Qf5#
- 1...Rg6
- 2.Qf5#
- 1...Rh6
- 2.Qf5#
- 1...Sd1
- 2.Bd3#
- 1...Sh1
- 2.Bd3#
- 1...Sh3
- 2.Bd3#
- 1...Sg4
- 2.Bd3#
- 1...f3
- 2.Qe3#
- 1...e6
- 2.Bb7#
- 1...Rc6+!
- 1...Sd3+
- 1.Qxf6?
- threat
- 2.Bc6#
- 2.Qf5#
- 1...Sd3+
- 2.Bxd3#
- 1...e6
- 2.Bc6#
- 1...exf6!
- threat
- 1.Qg2+?
- 1...Kxe5
- 2.Qd5#
- 1...f3!
- 1...Kxe5
- 1.Qh5?
- threat
- 2.Qe2#
- 1...Rc6+
- 2.Bxc6#
- 1...Sd3+
- 2.Bxd3#
- 1...Sd1
- 2.Bd3#
- 1...Sg4
- 2.Bd3#
- 1...f3!
- threat
- 1.d3+?
- 1...Ke3
- 2.Bc1#
- 1...Sxd3+!
- 1...Ke3
- 1.Se6?
- Keys
- 1.Se2!
- 1...Rc6+
- 2.Bxc6#
- 1...Sd3+
- 2.Bxd3#
- 1...Rf5
- 2.Bc6#
- 1...Ra6
- 2.Qxf4#
- 1...Rb6
- 2.Qxf4#
- 1...Rd6
- 2.Qxf4#
- 1...Re6
- 2.Qxf4#
- 1...Rg6
- 2.Qxf4#
- 1...Rh6
- 2.Qxf4#
- 1...Sd1
- 2.Bd3#
- 1...Sh1
- 2.Bd3#
- 1...Sh3
- 2.Bd3#
- 1...Sg4
- 2.Bd3#
- 1...f3
- 2.Sg3#
- 1...e6
- 2.Bc6#
- 1...Rc6+
- 1.Se2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(f);N_GUARD,P_PINS(F)::QAB1(G),XR(f)
- R(f);N_GUARD::QAB1(G)
- R(f);CHECK,N_GUARD::B(D),XR(f)
- S(a);N_GUARD::B(D)
- S(a);CHECK,N_GUARD::B(D),XS(a)
- P(e);OGATE::QAR1(G)
- P(g);S_CUTR(f)::B(D)
- Tries
- Try
- S(C);
- Threat
- B(D)
- Vars
- S(a);CHECK,N_GUARD::B(D),XS(a)
- Refutation
- R(f);XS(C)
- Try
- B(A);
- Vars
- R(f);CHECK,N_GUARD::B(D),XR(f)
- S(a);CHECK,N_GUARD::B(D),XS(a)
- R(f);N_GUARD,P_PINS(F)::QAB1(G),XR(f)
- R(f);N_GUARD::QAB1(G)
- S(a);N_GUARD::B(D)
- P(e);OGATE::QAR1(G)
- P(g);S_CUTR(f)::B(D)
- Refutation
- P(b);
- Try
- B(A);
- Vars
- R(f);CHECK,N_GUARD::B(D),XR(f)
- S(a);CHECK,N_GUARD::B(D),XS(a)
- R(f);N_GUARD,P_PINS(F)::QAB1(G),XR(f)
- R(f);N_GUARD::QAB1(G)
- P(e);OGATE::QAR1(G)
- P(g);S_CUTR(f)::B(D)
- Refutation
- P(b);
- Try
- B(D);
- Threat
- B(D)
- Vars
- S(a);CHECK,N_GUARD::B(D),XS(a)
- R(f);N_GUARD,P_PINS(F)::QAB1(G),XR(f)
- P(e);OGATE::QAR1(G)
- Refutation
- R(f);CHECK
- Try
- B(D);
- Vars
- S(a);CHECK,N_GUARD::B(D),XS(a)
- R(f);N_GUARD,XB(D)::QAB1(G)
- R(f);N_GUARD,P_PINS(F)::QAB1(G),XR(f)
- R(f);N_GUARD::QAB1(G)
- S(a);N_GUARD::B(D)
- P(e);OGATE::QAR1(G)
- P(g);S_CUTR(f)::B(D)
- Refutation
- R(f);CHECK
- Try
- Q(G);XR(f)
- Threat
- DUALS(2)
- Vars
- S(a);CHECK,N_GUARD::B(D),XS(a)
- P(g);::B(D)
- Refutation
- P(g);XQ(G)
- Try
- Q(G);CHECK
- Vars
- K(d);OGATE,P-FLIGHT,XS(F)::QAR1(G)
- Refutation
- P(e);P_SPINP(e)
- Try
- Q(G);
- Threat
- QAR2(G)
- Vars
- R(f);CHECK,N_GUARD::B(D),XR(f)
- S(a);CHECK,N_GUARD::B(D),XS(a)
- S(a);N_GUARD::B(D)
- Refutation
- P(e);
- Try
- P(B);CHECK
- Vars
- K(d);P-FLIGHT,P_SPINP(e)::B(A)
- Refutation
- S(a);CHECK,XP(B)
- Try
- Actual
- S(C);
- Vars
- R(f);CHECK,N_GUARD::B(D),XR(f)
- S(a);CHECK,N_GUARD::B(D),XS(a)
- R(f);N_GUARD,P_PINS(F)::B(D)
- R(f);N_GUARD::QAR1(G),XP(e)
- S(a);N_GUARD::B(D)
- P(e);N_GUARD::S(C)
- P(g);S_CUTR(f)::B(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).