MESON Chess Problem Database
Problem Display
PID: 77485 (1B2K3/1P4p1/N3k1p1/4p1PB/2r2R1N/3n1Q2/b2q1n2/4Rr2 w - - 0 1)
Molnar, Arpad
1st Prize, Tijdschrift vd KNSB, 1951
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Ra4
- 2.Qc6#
- 1...Rb4
- 2.Qc6#
- 1...Rxf4
- 2.Qc6#
- 1...Rc6
- 2.Qxc6#
- 1...Rc8+
- 2.bxc8Q#
- 2.bxc8B#
- 1...Sd1
- 2.Bg4#
- 1...Sh1
- 2.Bg4#
- 1...Sh3
- 2.Bg4#
- 1...Sg4
- 2.Bxg4#
- 1...Sc1
- 2.Rxe5#
- 1...Sb2
- 2.Rxe5#
- 1...Sb4
- 2.Rxe5#
- 1...Sxf4
- 2.Rxe5#
- 1...Sc5
- 2.Rxe5#
- 1...Ra4
- Tries
- 1.Sc5+?
- 1...Sxc5
- 2.Rxe5#
- 1...Rxc5!
- 1...Sxc5
- 1.Sc7+?
- 1...Kd6
- 2.Qd5#
- 1...Rxc7!
- 1...Kd6
- 1.Rxc4?
- threat
- 2.Rc6#
- 2.Qc6#
- 2.Qf7#
- 1...Bxc4
- 2.Qc6#
- 2.Qf7#
- 1...Sxe1
- 2.Sc5#
- 2.Qf7#
- 1...e4
- 2.Qf7#
- 1...Qc1
- 2.Qc6#
- 2.Qf7#
- 1...Qc3
- 2.Qc6#
- 2.Qf7#
- 1...Qb4
- 2.Qf7#
- 1...Qf4
- 2.Rc6#
- 2.Qc6#
- 1...Qc2
- 2.Qc6#
- 2.Qf7#
- 1...Sd1
- 2.Bg4#
- 2.Rc6#
- 2.Qc6#
- 1...Sh1
- 2.Bg4#
- 2.Rc6#
- 2.Qc6#
- 1...Sh3
- 2.Bg4#
- 2.Rc6#
- 2.Qc6#
- 1...Sg4
- 2.Bxg4#
- 2.Rc6#
- 2.Qc6#
- 1...Sc1
- 2.Sc5#
- 2.Rxe5#
- 2.Qf7#
- 1...Sb2
- 2.Sc5#
- 2.Rxe5#
- 2.Qf7#
- 1...Sb4
- 2.Sc5#
- 2.Rxe5#
- 2.Qf7#
- 1...Sf4
- 2.Sc5#
- 2.Rxe5#
- 1...Sc5
- 2.Sxc5#
- 2.Rxe5#
- 2.Qf7#
- 1...Se4!
- threat
- 1.Qg4+?
- 1...Kd5
- 2.Qd7#
- 1...Sxg4!
- 1...Kd5
- 1.Sc5+?
- Keys
- 1.Rd4!
- threat
- 2.Rd6#
- 2.Qd5#
- 2.Qf7#
- 1...Rc8+
- 2.bxc8Q#
- 2.bxc8B#
- 1...Qxg5
- 2.Rd6#
- 2.Qf7#
- 1...Rxd4
- 2.Qf7#
- 1...Sxe1
- 2.Qd5#
- 2.Qf7#
- 1...Qb4
- 2.Qd5#
- 2.Qf7#
- 1...Qf4
- 2.Rd6#
- 2.Qd5#
- 1...Qa5
- 2.Rd6#
- 2.Qf7#
- 1...Rc1
- 2.Rd6#
- 2.Qf7#
- 1...Rc2
- 2.Rd6#
- 2.Qf7#
- 1...Rc3
- 2.Rd6#
- 2.Qf7#
- 1...Ra4
- 2.Sc7#
- 2.Rd6#
- 2.Qc6#
- 2.Qf7#
- 1...Rb4
- 2.Sc7#
- 2.Rd6#
- 2.Qc6#
- 2.Qf7#
- 1...Rc5
- 2.Rd6#
- 2.Qf7#
- 1...Rc6
- 2.Qxc6#
- 2.Qf7#
- 1...Rc7
- 2.Sxc7#
- 1...Sd1
- 2.Bg4#
- 2.Rd6#
- 2.Qd5#
- 1...Sh1
- 2.Bg4#
- 2.Rd6#
- 2.Qd5#
- 1...Sh3
- 2.Bg4#
- 2.Rd6#
- 2.Qd5#
- 1...Se4
- 2.Bg4#
- 1...Sg4
- 2.Bxg4#
- 2.Rd6#
- 2.Qd5#
- 1...Sc1
- 2.Rxe5#
- 2.Qd5#
- 2.Qf7#
- 1...Sb2
- 2.Rxe5#
- 2.Qd5#
- 2.Qf7#
- 1...Sb4
- 2.Rxe5#
- 2.Qf7#
- 1...Sf4
- 2.Rxe5#
- 1...Sc5
- 2.Sc7#
- 2.Rxe5#
- 2.Qd5#
- 2.Qc6#
- 2.Qf7#
- 1...e4
- 2.Qf7#
- threat
- 1.Rd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 12
- Sets
- R(f);N_GUARD::QAR2(B)
- R(f);N_GUARD,XR(C)::QAR2(B)
- R(f);N_GUARD::QAR2(B),XR(f)
- R(f);CHECK,OGATE::PXR(f)=Q
- S(d);N_GUARD::B(F)
- S(d);N_GUARD::B(F),XS(d)
- S(e);N_GUARD::R1(A),XP(g)
- S(e);N_GUARD,XR(C)::R1(A),XP(g)
- Tries
- Try
- S(G);CHECK
- Vars
- S(e);XS(G)::R1(A),XP(g)
- Refutation
- R(f);XS(G)
- Try
- S(G);CHECK
- Vars
- K(h);N_SPINP(g),P-FLIGHT::QAR1(B)
- Refutation
- R(f);XS(G)
- Try
- R(C);XR(f)
- Threat
- DUALS(3)
- Vars
- P(g);::QAB1(B)
- Q(c);::QAB1(B)
- Refutation
- S(d);N_SPINP(g)
- Try
- Q(B);CHECK
- Vars
- K(h);N_SPINP(g),OGATE,S_FLIGHT::QAR2(B)
- Refutation
- S(d);XQ(B)
- Try
- Actual
- R(C);
- Threat
- DUALS(3)
- Vars
- R(f);CHECK,OGATE::PXR(f)=Q
- R(f);XR(C)::QAB1(B)
- R(f);N_GUARD::S(G),XR(f)
- S(d);N_GUARD,N_SPINP(g)::B(F)
- S(e);N_GUARD::R1(A),XP(g)
- P(g);::QAB1(B)
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).