MESON Chess Problem Database
Problem Display
PID: 232437 (4R3/2p1nN2/2n5/2N5/1P1kP3/Q1Rp1r2/1KP2P2/5BB1 w - - 0 1)
Dietrich, Albert
Freie Presse, 0000
#2
12 + 6
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxf2
- 2.Bxf2#
- 1...Re3
- 2.fxe3#
- 1...Rg3
- 2.fxg3#
- 1...Rh3
- 2.f3#
- 1...Rf4
- 2.f3#
- 1...Rf5
- 2.f3#
- 2.f4#
- 1...Rf6
- 2.f3#
- 2.f4#
- 1...Rxf7
- 2.f4#
- 1...Sxb4
- 2.Qxb4#
- 1...Sd5
- 2.Sb3#
- 1...Sf5
- 2.Sb3#
- 1...Sg6
- 2.Sb3#
- 1...Sc8
- 2.Sb3#
- 1...Sg8
- 2.Sb3#
- 1...dxc2
- 2.Rc4#
- 1...d2
- 2.Rc4#
- 1...Rxf2
- Tries
- 1.Bxd3?
- threat
- 2.Sb3#
- 2.Se6#
- 2.Rc4#
- 1...Rxf2
- 2.Bxf2#
- 1...Rxf7
- 2.f4#
- 1...Sa5
- 2.Se6#
- 1...Rf6
- 2.Sb3#
- 2.Rc4#
- 2.f3#
- 2.f4#
- 1...Se5
- 2.Sb3#
- 2.Se6#
- 1...Sd8
- 2.Sb3#
- 2.Rc4#
- 1...Rxd3!
- threat
- 1.Rxd3+?
- 1...Rxd3
- 2.Qxd3#
- 1...Kc4!
- 1...Rxd3
- 1.Rd8+?
- 1...Sd5
- 2.Rxd5#
- 1...Sxd8!
- 1...Sd5
- 1.Qa4?
- 1...Rxf2
- 2.Bxf2#
- 1...Rxf7
- 2.f4#
- 1...Sxb4
- 2.Qxb4#
- 1...dxc2
- 2.Rc4#
- 1...Sa5
- 2.bxa5#
- 1...Re3
- 2.fxe3#
- 1...Rg3
- 2.fxg3#
- 1...Rh3
- 2.f3#
- 1...Rf4
- 2.f3#
- 1...Rf5
- 2.f3#
- 2.f4#
- 1...Rf6
- 2.f3#
- 2.f4#
- 1...Sa7
- 2.b5#
- 1...Sb8
- 2.b5#
- 1...Sd8
- 2.b5#
- 1...Sd5
- 2.Sb3#
- 1...Sf5
- 2.Sb3#
- 1...Sg6
- 2.Sb3#
- 1...Sc8
- 2.Sb3#
- 1...Sg8
- 2.Sb3#
- 1...d2
- 2.Rc4#
- 1...Se5!
- 1...Rxf2
- 1.cxd3?
- threat
- 2.Sb3#
- 2.Se6#
- 2.Rc4#
- 1...Rxf2+
- 2.Bxf2#
- 1...Rxf7
- 2.f4#
- 1...Sa5
- 2.Se6#
- 1...Rf6
- 2.Sb3#
- 2.Rc4#
- 2.f3#
- 2.f4#
- 1...Se5
- 2.Sb3#
- 2.Se6#
- 1...Sd8
- 2.Sb3#
- 2.Rc4#
- 1...Rxd3!
- threat
- 1.Bxd3?
- Keys
- 1.Qa8!
- 1...Rxf2
- 2.Bxf2#
- 1...Rxf7
- 2.f4#
- 1...Sxb4
- 2.Sb3#
- 2.Se6#
- 1...dxc2
- 2.Rc4#
- 1...Sa5
- 2.Se6#
- 1...Re3
- 2.fxe3#
- 1...Rg3
- 2.fxg3#
- 1...Rh3
- 2.f3#
- 1...Rf4
- 2.f3#
- 1...Rf5
- 2.f3#
- 2.f4#
- 1...Rf6
- 2.f3#
- 2.f4#
- 1...Se5
- 2.Sb3#
- 2.Se6#
- 1...Sa7
- 2.Sb3#
- 2.Se6#
- 1...Sb8
- 2.Sb3#
- 2.Se6#
- 1...Sd8
- 2.Sb3#
- 1...Sd5
- 2.Sb3#
- 1...Sf5
- 2.Sb3#
- 1...Sg6
- 2.Sb3#
- 1...Sc8
- 2.Sb3#
- 1...Sg8
- 2.Sb3#
- 1...d2
- 2.Rc4#
- 1...Rxf2
- 1.Qa8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(b);OGATE,P_PINP(D),P_SPINR(b),XP(E)::B(B),XR(b)
- R(b);OGATE::P(E),XR(b)
- R(b);OGATE::B(B)+P(E),XR(b)
- R(b);OGATE::B(B)+P(E)
- R(b);OGATE,XS(K)::B(B)+P(E)
- S(d);OGATE,XP(H)::QAR2(F),XS(d)
- S(f);::S(J)
- P(a);XP(D)::R1(G)
- P(a);::R1(G)
- Tries
- Try
- B(A);XP(a)
- Threat
- DUALS(3)
- Vars
- R(b);OGATE,P_PINP(D),P_SPINR(b),XP(E)::B(B),XR(b)
- R(b);OGATE,XS(K)::B(B)+P(E)
- S(d);::S(J)
- Refutation
- R(b);XB(A)
- Try
- R(G);CHECK,XP(a)
- Vars
- R(b);OGATE,XR(G)::QAR1(F),XR(b)
- Refutation
- K(c);P-FLIGHT
- Try
- R(L);CHECK
- Vars
- S(f);N_GUARD,P_SPINS(f)::R1(L),XS(f)
- Refutation
- S(d);XR(L)
- Try
- Q(F);
- Vars
- R(b);OGATE,P_PINP(D),P_SPINR(b),XP(E)::B(B),XR(b)
- R(b);OGATE,XS(K)::B(B)+P(E)
- S(d);OGATE,P_SPINS(d),XP(H)::QAR2(F),XS(d)
- P(a);XP(D)::R1(G)
- S(d);OGATE::QAR(F)+P(H),XS(d)
- R(b);OGATE::P(E),XR(b)
- R(b);OGATE::B(B)+P(E),XR(b)
- R(b);OGATE::B(B)+P(E)
- S(d);N_GUARD::QAR(F)+P(H)
- S(f);::S(J)
- P(a);::R1(G)
- Refutation
- S(d);
- Try
- P(D);XP(a)
- Threat
- DUALS(3)
- Vars
- R(b);CHECK,OGATE,P_SPINR(b),XP(E)::B(B),XR(b)
- R(b);OGATE,XS(K)::B(B)+P(E)
- S(d);::S(J)
- Refutation
- R(b);XP(D)
- Try
- Actual
- Q(F);
- Vars
- R(b);OGATE,P_PINP(D),P_SPINR(b),XP(E)::B(B),XR(b)
- R(b);OGATE,XS(K)::B(B)+P(E)
- P(a);XP(D)::R1(G)
- S(d);::S(J)
- R(b);OGATE::P(E),XR(b)
- R(b);OGATE::B(B)+P(E),XR(b)
- R(b);OGATE::B(B)+P(E)
- S(f);::S(J)
- P(a);::R1(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).