MESON Chess Problem Database
Problem Display
PID: 174724 (NB2n3/PP1b2bQ/r1k1P3/8/P3NP2/8/8/1R1R3K w - - 0 1)
Barth, Michael
Die Schwalbe, 2017
#2
12 + 5
SOLUTION
- SOUND
- Sets
- 1...Rxa4
- 2.Rb6#
- 1...Ra5
- 2.Rb6#
- 1...Rb6
- 2.Rxb6#
- 1...Rxa7
- 2.Rb6#
- 1...Ba1
- 2.Qxd7#
- 1...Bb2
- 2.Qxd7#
- 1...Bc3
- 2.Qxd7#
- 1...Bd4
- 2.Qxd7#
- 1...Be5
- 2.Qxd7#
- 1...Bf6
- 2.Qxd7#
- 1...Bh6
- 2.Qxd7#
- 1...Bf8
- 2.Qxd7#
- 1...Bh8
- 2.Qxd7#
- 1...Sd6
- 2.Rxd6#
- 1...Sf6
- 2.Rd6#
- 1...Sc7
- 2.Rd6#
- 1...Rxa4
- Tries
- 1.Bd6?
- threat
- 2.b8S#
- 1...Rb6
- 2.Rxb6#
- 1...Bb2
- 2.Qxd7#
- 1...Bd4!
- threat
- 1.Bc7?
- threat
- 2.b8S#
- 1...Rb6
- 2.Rxb6#
- 1...Bd4
- 2.Qxd7#
- 1...Bb2!
- threat
- 1.Rbc1+?
- 1...Bc3
- 2.Qxd7#
- 1...Kxb7!
- 1...Bc3
- 1.Rdc1+?
- 1...Bc3
- 2.Qxd7#
- 1...Kd5!
- 1...Bc3
- 1.Qf5?
- threat
- 2.Qb5#
- 2.Qc5#
- 2.Qd5#
- 1...Bxe6
- 2.Qb5#
- 2.Qc5#
- 1...Rb6
- 2.Rxb6#
- 2.Qd5#
- 1...Bb2
- 2.Qb5#
- 2.Qd5#
- 1...Ra5
- 2.Rb6#
- 1...Bd4
- 2.Qb5#
- 1...Bf8
- 2.Qb5#
- 2.Qd5#
- 1...Sd6
- 2.Rxd6#
- 2.Qc5#
- 2.Qd5#
- 1...Sf6
- 2.Rdc1#
- 2.Rd6#
- 2.Qb5#
- 2.Qc5#
- 1...Sc7
- 2.Rd6#
- 2.Qc5#
- 1...Be5!
- threat
- 1.Qh5?
- threat
- 2.Qb5#
- 2.Qc5#
- 2.Qd5#
- 1...Bxe6
- 2.Qb5#
- 2.Qc5#
- 1...Rb6
- 2.Rxb6#
- 2.Qd5#
- 1...Bb2
- 2.Qb5#
- 2.Qd5#
- 1...Ra5
- 2.Rb6#
- 1...Bd4
- 2.Qb5#
- 1...Bf8
- 2.Qb5#
- 2.Qd5#
- 1...Sd6
- 2.Rxd6#
- 2.Qc5#
- 2.Qd5#
- 1...Sf6
- 2.Rdc1#
- 2.Rd6#
- 2.Qb5#
- 2.Qc5#
- 1...Sc7
- 2.Rd6#
- 2.Qc5#
- 1...Be5!
- threat
- 1.Qxg7?
- threat
- 2.Qc3#
- 2.Qxd7#
- 1...Rxa4
- 2.Rb6#
- 2.Qxd7#
- 1...Sxg7
- 2.Rd6#
- 1...Rb6
- 2.Rxb6#
- 2.Qxd7#
- 1...Bc8
- 2.Rbc1#
- 2.Qc3#
- 1...Ra5
- 2.Rb6#
- 2.Qxd7#
- 1...Sd6
- 2.Rxd6#
- 2.Qxd7#
- 1...Sf6
- 2.Rd6#
- 1...Bxe6!
- threat
- 1.exd7?
- threat
- 2.dxe8Q#
- 2.dxe8B#
- 2.d8S#
- 1...Rxa4
- 2.Rb6#
- 2.dxe8Q#
- 2.dxe8B#
- 2.d8S#
- 1...Rxa7
- 2.Rb6#
- 2.dxe8Q#
- 2.dxe8B#
- 2.d8S#
- 1...Rb6
- 2.Rxb6#
- 2.d8S#
- 1...Bb2
- 2.dxe8Q#
- 2.dxe8B#
- 2.d8S#
- 1...Sd6
- 2.Rxd6#
- 1...Ra5
- 2.Rb6#
- 2.dxe8Q#
- 2.dxe8B#
- 2.d8S#
- 1...Ba1
- 2.dxe8Q#
- 2.dxe8B#
- 2.d8S#
- 1...Bc3
- 2.dxe8Q#
- 2.dxe8B#
- 2.d8S#
- 1...Be5
- 2.dxe8Q#
- 2.dxe8B#
- 2.d8S#
- 1...Bf6
- 2.dxe8Q#
- 2.dxe8B#
- 1...Bh6
- 2.dxe8Q#
- 2.dxe8B#
- 2.d8S#
- 1...Bf8
- 2.dxe8Q#
- 2.dxe8B#
- 2.d8S#
- 1...Bh8
- 2.dxe8Q#
- 2.dxe8B#
- 2.d8S#
- 1...Sf6
- 2.Rd6#
- 2.d8S#
- 1...Sc7
- 2.Rd6#
- 2.d8S#
- 1...Bd4!
- threat
- 1.Bd6?
- Keys
- 1.Be5!
- threat
- 2.b8S#
- 1...Bxe5
- 2.Qxd7#
- 1...Rb6
- 2.Rxb6#
- threat
- 1.Be5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 14
- Sets
- R(a);N_GUARD,XP(D)::R1(A)
- R(a);N_GUARD::R1(A)
- R(a);N_GUARD::R1(A),XR(a)
- R(a);N_GUARD,XP(H)::R1(A)
- B(d);OGATE::QAB1(J),XB(c)
- S(e);N_GUARD::R1(B),XS(e)
- S(e);N_GUARD::R1(B)
- Tries
- Try
- B(L);
- Threat
- P=S
- Vars
- R(a);N_GUARD::R1(A),XR(a)
- B(d);OGATE::QAB1(J),XB(c)
- Refutation
- B(d);
- Try
- B(L);
- Threat
- P=S
- Vars
- R(a);N_GUARD::R1(A),XR(a)
- B(d);OGATE::QAB1(J),XB(c)
- Refutation
- B(d);
- Try
- R(A);CHECK
- Vars
- B(d);OGATE,P_SPINB(d)::QAB1(J),XB(c)
- Refutation
- K(b);S_FLIGHT,XP(I)
- Try
- R(B);CHECK
- Vars
- B(d);OGATE,P_SPINB(d)::QAB1(J),XB(c)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(J);
- Threat
- DUALS(3)
- Vars
- R(a);N_GUARD::R1(A)
- B(d);::QAB1(J)
- Refutation
- B(d);
- Try
- Q(J);
- Threat
- DUALS(3)
- Vars
- R(a);N_GUARD::R1(A)
- B(d);::QAB1(J)
- Refutation
- B(d);
- Try
- Q(J);XB(d)
- Threat
- DUALS(2)
- Vars
- S(e);N_GUARD,XQ(J)::R1(B)
- S(e);N_GUARD::R1(B)
- Refutation
- B(c);XP(G)
- Try
- P(G);XB(c)
- Threat
- DUALS(3)
- Vars
- S(e);N_GUARD::R1(B),XS(e)
- B(d);::PXS(e)=Q
- Refutation
- B(d);
- Try
- Actual
- B(L);
- Threat
- P=S
- Vars
- B(d);OGATE,XB(L)::QAB1(J),XB(c)
- R(a);N_GUARD::R1(A),XR(a)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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