MESON Chess Problem Database
Problem Display
PID: 149426 (7q/1bPQ4/1K2Nb1r/7r/3p4/1PpkB2n/4RR2/7B w - - 0 1)
Axt, Hermann
Mainzer Allgemeine Zeitung, 1961
#2
9 + 9
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Rh4
- 2.Sc5#
- 2.Qb5#
- 1...Rb5+
- 2.Qxb5#
- 1...Rc5
- 2.Sxc5#
- 1...Re5
- 2.Qxd4#
- 1...Be5
- 2.Qb5#
- 1...Bg5
- 2.Qb5#
- 1...Bd5
- 2.Sc5#
- 1...Sg1
- 2.Sf4#
- 1...Sxf2
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sg5
- 2.Sf4#
- 2.Sc5#
- 2.Qb5#
- 1...Rh4
- Tries
- 1.Bf4?
- threat
- 2.Re3#
- 1...Rb5+
- 2.Qxb5#
- 1...Sxf4
- 2.Sxf4#
- 1...Rd5
- 2.Be4#
- 1...Re5
- 2.Qxd4#
- 1...Bd5
- 2.Sc5#
- 1...Sxf2!
- threat
- 1.Bg5?
- threat
- 2.Sc5#
- 2.Re3#
- 2.Qb5#
- 1...Bxg5
- 2.Qb5#
- 1...Sxf2
- 2.Sf4#
- 2.Qb5#
- 1...Sxg5
- 2.Sf4#
- 2.Sc5#
- 2.Qb5#
- 1...c2
- 2.Re3#
- 1...Qe8
- 2.Sc5#
- 2.Re3#
- 1...Qf8
- 2.Re3#
- 2.Qb5#
- 1...Be5
- 2.Re3#
- 2.Qb5#
- 1...Be7
- 2.Re3#
- 2.Qb5#
- 1...Bg7
- 2.Re3#
- 2.Qb5#
- 1...Bd8
- 2.Re3#
- 2.Qb5#
- 1...Bd5
- 2.Sc5#
- 1...Ba6
- 2.Sc5#
- 2.Be4#
- 2.Re3#
- 1...Bc6
- 2.Sc5#
- 2.Re3#
- 1...Sf4
- 2.Sxf4#
- 2.Sc5#
- 2.Qb5#
- 1...Rxg5!
- threat
- 1.Rd2+?
- 1...Kxe3
- 2.Rfe2#
- 1...cxd2!
- 1...Kxe3
- 1.Qc6?
- threat
- 2.Be4#
- 2.Qc4#
- 1...Rb5+
- 2.Qxb5#
- 1...Sxf2
- 2.Sf4#
- 2.Qc4#
- 1...Qh7
- 2.Qc4#
- 1...Rh4
- 2.Sc5#
- 2.Qb5#
- 2.Qc4#
- 1...Rc5
- 2.Sxc5#
- 2.Be4#
- 1...Rd5
- 2.Qc4#
- 1...Re5
- 2.Qc4#
- 1...Ba6
- 2.Be4#
- 2.Qe4#
- 1...Sg5
- 2.Sf4#
- 2.Sc5#
- 2.Qb5#
- 2.Qc4#
- 1...Bxc6!
- threat
- 1.Qd5?
- threat
- 2.Sc5#
- 2.Be4#
- 2.Qc4#
- 1...Bxd5
- 2.Sc5#
- 1...Sxf2
- 2.Sf4#
- 2.Qc4#
- 1...c2
- 2.Qc4#
- 1...Qh7
- 2.Sc5#
- 2.Qc4#
- 1...Qf8
- 2.Be4#
- 2.Qc4#
- 1...Rh4
- 2.Sc5#
- 2.Qc4#
- 2.Qb5#
- 1...Re5
- 2.Sc5#
- 2.Qc4#
- 2.Qxd4#
- 1...Bh4
- 2.Be4#
- 2.Qc4#
- 1...Be5
- 2.Be4#
- 2.Qc4#
- 2.Qb5#
- 1...Bg5
- 2.Be4#
- 2.Qc4#
- 2.Qb5#
- 1...Be7
- 2.Be4#
- 2.Qc4#
- 1...Bg7
- 2.Be4#
- 2.Qc4#
- 1...Bd8
- 2.Be4#
- 2.Qc4#
- 1...Ba6
- 2.Sc5#
- 2.Be4#
- 2.Qe4#
- 1...Sg5
- 2.Sf4#
- 2.Sc5#
- 2.Qc4#
- 2.Qb5#
- 1...Rxd5!
- threat
- 1.Bf4?
- Keys
- 1.Bc1!
- threat
- 2.Re3#
- 1...Rb5+
- 2.Qxb5#
- 1...Sxf2
- 2.Sf4#
- 1...Rd5
- 2.Be4#
- 1...Re5
- 2.Qxd4#
- 1...Bg5
- 2.Qb5#
- 1...Bd5
- 2.Sc5#
- threat
- 1.Bc1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 4
- Sets
- R(e);CHECK,N_GUARD::QAB(I),XR(e)
- R(e);N_GUARD::S(G),XR(e)
- R(e);S_CUTB(f)::QAR1(I),XP(d)
- B(f);P_PINS(G),S_CUTR(e)::QAB(I)
- B(h);N_SPINP(d),S_CUTR(e)::S(G)
- S(c);N_GUARD::S(G)
- S(c);N_GUARD,XR(C)::S(G)
- S(c);N_GUARD::S(G),XS(c)
- Tries
- Try
- B(E);
- Threat
- R1(B)
- Vars
- R(e);CHECK,N_GUARD::QAB(I),XR(e)
- S(c);XB(E)::S(G),XS(c)
- R(e);N_SPINP(d),S_CUTB(h)::B(A)
- R(e);S_CUTB(f)::QAR1(I),XP(d)
- B(h);N_SPINP(d),S_CUTR(e)::S(G)
- Refutation
- S(c);XR(C)
- Try
- B(E);
- Threat
- DUALS(3)
- Vars
- B(f);P_PINS(G),XB(E)::QAB(I)
- P(a);::R1(B)
- B(h);N_SPINP(d)::S(G)
- Refutation
- R(e);XB(E)
- Try
- R(B);CHECK
- Vars
- K(b);N_SPINP(d),P-FLIGHT,XB(E)::R1(C)
- Refutation
- P(a);XR(B)
- Try
- Q(I);N_PINP(d)
- Threat
- DUALS(2)
- Vars
- R(e);CHECK,N_GUARD::QAB(I),XR(e)
- Q(i);::QAB1(I)
- R(e);::QAB1(I)
- Refutation
- B(h);XQ(I)
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- B(h);N_SPINP(d),XQ(I)::S(G)
- P(a);::QAB1(I)
- Refutation
- R(e);N_SPINP(d),XQ(I)
- Try
- Actual
- B(E);
- Threat
- R1(B)
- Vars
- R(e);CHECK,N_GUARD::QAB(I),XR(e)
- S(c);N_GUARD,XR(C)::S(G)
- R(e);N_SPINP(d),S_CUTB(h)::B(A)
- R(e);S_CUTB(f)::QAR1(I),XP(d)
- B(f);P_PINS(G),S_CUTR(e)::QAB(I)
- B(h);N_SPINP(d),S_CUTR(e)::S(G)
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).