MESON Chess Problem Database
Problem Display
PID: 11393 (1K3Q1b/NN3p2/r3kp2/1b1p4/n2P4/4BR2/4B3/4R3 w - - 0 1)
Nanning, Frederik Willem
3rd Place, Match: Finland - Netherlands, 1938
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Kd7
- 2.Qxf7#
- 1...Ra5
- 2.Qd6#
- 1...Rc6
- 2.Qe8#
- 1...Rd6
- 2.Qxd6#
- 1...Rxa7
- 2.Qd6#
- 1...Bxe2
- 2.Qe8#
- 1...Bd3
- 2.Qe8#
- 1...Bc4
- 2.Qe8#
- 1...Bc6
- 2.Qd6#
- 1...Bd7
- 2.Sd8#
- 1...Be8
- 2.Qxe8#
- 1...Sb2
- 2.Sc5#
- 1...Sc3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Sb6
- 2.Sc5#
- 2.Qd6#
- 1...Kd7
- Tries
- 1.Sc6?
- threat
- 2.Qd6#
- 2.Qe7#
- 2.Qc8#
- 2.Qe8#
- 1...Kd7
- 2.Qc8#
- 1...Rxc6
- 2.Qe8#
- 1...Bxc6
- 2.Qd6#
- 1...f5
- 2.Qd6#
- 2.Qe7#
- 1...Sc5
- 2.Sxc5#
- 2.Qd6#
- 2.Qe7#
- 2.Qe8#
- 1...Sb6
- 2.Sc5#
- 2.Qd6#
- 2.Qe7#
- 2.Qe8#
- 1...Ra8+!
- threat
- 1.Bd3?
- threat
- 2.Bf5#
- 1...Kd7
- 2.Qxf7#
- 1...Bxd3
- 2.Qe8#
- 1...f5!
- threat
- 1.Bxb5?
- threat
- 2.Sd8#
- 2.Bc1#
- 2.Bg1#
- 2.Bd2#
- 2.Bf2#
- 2.Bg5#
- 2.Bh6#
- 2.Qe8#
- 1...Rc6
- 2.Qe8#
- 1...Rb6
- 2.Bc1#
- 2.Bg1#
- 2.Bd2#
- 2.Bf2#
- 2.Bg5#
- 2.Bh6#
- 2.Qe8#
- 1...Rd6
- 2.Bc1#
- 2.Bg1#
- 2.Bd2#
- 2.Bf2#
- 2.Bg5#
- 2.Bh6#
- 2.Qxd6#
- 2.Qe8#
- 1...Sc3
- 2.Sc5#
- 2.Sd8#
- 2.Qe8#
- 1...Sc5
- 2.Sxc5#
- 2.Sd8#
- 2.Qe8#
- 1...f5!
- threat
- 1.Bc1?
- threat
- 2.Bxb5#
- 1...Kd7
- 2.Qxf7#
- 1...Bxe2
- 2.Qe8#
- 1...Rc6
- 2.Qe8#
- 1...Bd3
- 2.Qe8#
- 1...Bc4
- 2.Qe8#
- 1...Bc6
- 2.Qd6#
- 1...Bd7
- 2.Sd8#
- 2.Bd1#
- 2.Bf1#
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Bxa6#
- 1...Be8
- 2.Bb5#
- 2.Qxe8#
- 1...Sc3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...f5!
- threat
- 1.Bg1?
- threat
- 2.Bxb5#
- 1...Kd7
- 2.Qxf7#
- 1...Bxe2
- 2.Qe8#
- 1...Rc6
- 2.Qe8#
- 1...Bd3
- 2.Qe8#
- 1...Bc4
- 2.Qe8#
- 1...Bc6
- 2.Qd6#
- 1...Bd7
- 2.Sd8#
- 2.Bd1#
- 2.Bf1#
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Bxa6#
- 1...Be8
- 2.Bb5#
- 2.Qxe8#
- 1...Sc3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...f5!
- threat
- 1.Bd2?
- threat
- 2.Bxb5#
- 1...Kd7
- 2.Qxf7#
- 1...Bxe2
- 2.Qe8#
- 1...Rc6
- 2.Qe8#
- 1...Bd3
- 2.Qe8#
- 1...Bc4
- 2.Qe8#
- 1...Bc6
- 2.Qd6#
- 1...Bd7
- 2.Sd8#
- 2.Bd1#
- 2.Bf1#
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Bxa6#
- 1...Be8
- 2.Bb5#
- 2.Qxe8#
- 1...Sc3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...f5!
- threat
- 1.Bf2?
- threat
- 2.Bxb5#
- 1...Kd7
- 2.Qxf7#
- 1...Bxe2
- 2.Qe8#
- 1...Rc6
- 2.Qe8#
- 1...Bd3
- 2.Qe8#
- 1...Bc4
- 2.Qe8#
- 1...Bc6
- 2.Qd6#
- 1...Bd7
- 2.Sd8#
- 2.Bd1#
- 2.Bf1#
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Bxa6#
- 1...Be8
- 2.Bb5#
- 2.Qxe8#
- 1...Sc3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...f5!
- threat
- 1.Bh6?
- threat
- 2.Bxb5#
- 1...Kd7
- 2.Qxf7#
- 1...Bxe2
- 2.Qe8#
- 1...Rc6
- 2.Qe8#
- 1...Bd3
- 2.Qe8#
- 1...Bc4
- 2.Qe8#
- 1...Bc6
- 2.Qd6#
- 1...Bd7
- 2.Sd8#
- 2.Bd1#
- 2.Bf1#
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Bxa6#
- 1...Be8
- 2.Bb5#
- 2.Qxe8#
- 1...Sc3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...f5!
- threat
- 1.Rxf6+?
- 1...Kd7
- 2.Qxf7#
- 2.Qd8#
- 1...Bxf6
- 2.Bg4#
- 1...Kxf6!
- 1...Kd7
- 1.Sc6?
- Keys
- 1.Bg5!
- threat
- 2.Bxb5#
- 1...Kd7
- 2.Qxf7#
- 1...Bxe2
- 2.Qe8#
- 1...fxg5
- 2.Qxf7#
- 1...Rc6
- 2.Qe8#
- 1...Bd3
- 2.Qe8#
- 1...Bc4
- 2.Qe8#
- 1...Bc6
- 2.Qd6#
- 1...Bd7
- 2.Sd8#
- 2.Bd1#
- 2.Bf1#
- 2.Bd3#
- 2.Bc4#
- 2.Bb5#
- 2.Bxa6#
- 1...Be8
- 2.Bb5#
- 2.Qxe8#
- 1...Sc3
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...f5
- 2.Qe7#
- threat
- 1.Bg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- K(e);S_FLIGHT::QAR2(I),XP(g)
- R(d);N_GUARD::QAR1(I)
- R(d);S_CUTB(b)::QAR2(I)
- R(d);N_GUARD::QAR1(I),XR(d)
- R(d);N_GUARD,XS(F)::QAR1(I)
- B(b);N_GUARD,XB(B)::QAR2(I)
- B(b);N_GUARD::QAR2(I)
- B(b);S_CUTR(d)::QAR1(I)
- B(b);SBLOCK::S(G)
- B(b);N_GUARD::QAR2(I),XB(b)
- S(a);N_GUARD::S(G)
- S(a);N_GUARD::S(G),XS(a)
- Tries
- Try
- S(F);
- Threat
- DUALS(4)
- Vars
- K(e);S_FLIGHT::QAB1(I)
- R(d);XS(F)::QAR2(I)
- B(b);XS(F)::QAR1(I)
- Refutation
- R(d);CHECK
- Try
- B(B);
- Threat
- B(B)
- Vars
- K(e);S_FLIGHT::QAR2(I),XP(g)
- B(b);N_GUARD,XB(B)::QAR2(I)
- Refutation
- P(f);
- Try
- B(B);XB(b)
- Threat
- DUALS(8)
- Vars
- R(d);::QAR2(I)
- Refutation
- P(f);
- Try
- B(C);
- Threat
- R(A)+B(B),XB(b)
- Vars
- K(e);S_FLIGHT::QAR2(I),XP(g)
- B(b);N_GUARD,P_SPINB(b),XB(B)::QAR2(I)
- R(d);S_CUTB(b)::QAR2(I)
- B(b);N_GUARD::QAR2(I)
- B(b);S_CUTR(d)::QAR1(I)
- S(a);N_GUARD::S(G)
- S(a);N_GUARD::S(G),XS(a)
- Refutation
- P(f);
- Try
- B(C);
- Threat
- R(A)+B(B),XB(b)
- Vars
- K(e);S_FLIGHT::QAR2(I),XP(g)
- B(b);N_GUARD,P_SPINB(b),XB(B)::QAR2(I)
- R(d);S_CUTB(b)::QAR2(I)
- B(b);N_GUARD::QAR2(I)
- B(b);S_CUTR(d)::QAR1(I)
- S(a);N_GUARD::S(G)
- S(a);N_GUARD::S(G),XS(a)
- Refutation
- P(f);
- Try
- B(C);
- Threat
- R(A)+B(B),XB(b)
- Vars
- K(e);S_FLIGHT::QAR2(I),XP(g)
- B(b);N_GUARD,P_SPINB(b),XB(B)::QAR2(I)
- R(d);S_CUTB(b)::QAR2(I)
- B(b);N_GUARD::QAR2(I)
- B(b);S_CUTR(d)::QAR1(I)
- S(a);N_GUARD::S(G)
- S(a);N_GUARD::S(G),XS(a)
- Refutation
- P(f);
- Try
- B(C);
- Threat
- R(A)+B(B),XB(b)
- Vars
- K(e);S_FLIGHT::QAR2(I),XP(g)
- B(b);N_GUARD,P_SPINB(b),XB(B)::QAR2(I)
- R(d);S_CUTB(b)::QAR2(I)
- B(b);N_GUARD::QAR2(I)
- B(b);S_CUTR(d)::QAR1(I)
- S(a);N_GUARD::S(G)
- S(a);N_GUARD::S(G),XS(a)
- Refutation
- P(f);
- Try
- B(C);
- Threat
- R(A)+B(B),XB(b)
- Vars
- K(e);S_FLIGHT::QAR2(I),XP(g)
- B(b);N_GUARD,P_SPINB(b),XB(B)::QAR2(I)
- R(d);S_CUTB(b)::QAR2(I)
- B(b);N_GUARD::QAR2(I)
- B(b);S_CUTR(d)::QAR1(I)
- S(a);N_GUARD::S(G)
- S(a);N_GUARD::S(G),XS(a)
- Refutation
- P(f);
- Try
- R(D);CHECK,XP(f)
- Vars
- B(h);SBLOCK,XR(D)::B(B)
- Refutation
- K(e);P-FLIGHT,P_SPINP(g),XR(D)
- Try
- Actual
- B(C);
- Threat
- R(A)+B(B),XB(b)
- Vars
- K(e);S_FLIGHT::QAR2(I),XP(g)
- B(b);N_GUARD,P_SPINB(b),XB(B)::QAR2(I)
- P(f);XB(C)::QAB1(I),XP(g)
- R(d);S_CUTB(b)::QAR2(I)
- B(b);N_GUARD::QAR2(I)
- B(b);S_CUTR(d)::QAR1(I)
- S(a);N_GUARD::S(G)
- S(a);N_GUARD::S(G),XS(a)
- P(f);::QAR1(I)
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).