MESON Chess Problem Database
Problem Display
PID: 256564 (q3R3/b1N2Rp1/r3n3/1P1pkN2/nPp5/2p1pQ2/4K3/8 w - - 0 1)
Paslack, Rainer
Die Schwalbe, 2021
#2
8 + 11
SOLUTION
- SOUND
- Sets
- 1...Ra5
- 2.Rxe6#
- 1...Rb6
- 2.Qxe3#
- 1...Bb6
- 2.Rxe6#
- 1...Bb8
- 2.Qxe3#
- 1...Sb6
- 2.Rxe6#
- 2.Qxe3#
- 1...Ra5
- Tries
- 1.Sg3?
- threat
- 2.Qf4#
- 1...Kd4
- 2.Qxe3#
- 1...Kd6
- 2.Rxe6#
- 1...Qxe8
- 2.Qxd5#
- 1...g5!
- threat
- 1.Sd4?
- threat
- 2.Qf4#
- 1...Kxd4
- 2.Qxe3#
- 1...Kd6
- 2.Rxe6#
- 1...Qxe8
- 2.Qxd5#
- 1...g5!
- threat
- 1.Sh4?
- threat
- 2.Qf4#
- 1...Kd4
- 2.Qxe3#
- 1...Kd6
- 2.Rxe6#
- 1...Qxe8
- 2.Qxd5#
- 1...g5!
- threat
- 1.Sd6?
- threat
- 2.Qf4#
- 1...Kd4
- 2.Qxe3#
- 1...Kxd6
- 2.Rxe6#
- 1...Qxe8
- 2.Qxd5#
- 1...g5!
- threat
- 1.Sh6?
- threat
- 2.Qf4#
- 1...Kd4
- 2.Qxe3#
- 1...Kd6
- 2.Rxe6#
- 1...Qxe8
- 2.Qxd5#
- 1...g5!
- threat
- 1.b6?
- threat
- 2.Rxe6#
- 2.Qxe3#
- 1...Qxe8
- 2.Qxe3#
- 1...Rxb6
- 2.Qxe3#
- 1...Bxb6
- 2.Rxe6#
- 1...Qc6
- 2.Qxe3#
- 1...Qc8
- 2.Qxe3#
- 1...d4
- 2.Rxe6#
- 1...Sc5!
- threat
- 1.Sg3?
- Keys
- 1.Sxg7!
- threat
- 2.Qf4#
- 1...Kd4
- 2.Qxe3#
- 1...Kd6
- 2.Rxe6#
- 1...Qxe8
- 2.Qxd5#
- threat
- 1.Sxg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- R(g);N_GUARD::R1(H),XS(h)
- R(g);S_CUTB(i)::QAR2(B),XP(b)
- B(i);S_CUTR(g)::R1(H),XS(h)
- B(i);N_GUARD::QAR2(B),XP(b)
- Tries
- Try
- S(E);
- Threat
- QAB1(B)
- Vars
- K(f);N_GUARD,N_SPINS(h),S_CUTB(i),S_FLIGHT::QAB1(B),XP(b)
- K(f);N_GUARD,N_SPINS(h),S_CUTR(g),S_FLIGHT::R1(H),XS(h)
- Q(k);N_GUARD,N_SPINS(h),XR(H)::QAR1(B),XP(e)
- Refutation
- P(j);
- Try
- S(E);
- Threat
- QAB1(B)
- Vars
- K(f);N_GUARD,N_SPINS(h),S_FLIGHT,XS(E)::QAB1(B),XP(b)
- K(f);N_GUARD,N_SPINS(h),S_CUTR(g),S_FLIGHT::R1(H),XS(h)
- Q(k);N_GUARD,N_SPINS(h),XR(H)::QAR1(B),XP(e)
- Refutation
- P(j);
- Try
- S(E);
- Threat
- QAB1(B)
- Vars
- K(f);N_GUARD,N_SPINS(h),S_CUTB(i),S_FLIGHT::QAB1(B),XP(b)
- K(f);N_GUARD,N_SPINS(h),S_CUTR(g),S_FLIGHT::R1(H),XS(h)
- Q(k);N_GUARD,N_SPINS(h),XR(H)::QAR1(B),XP(e)
- Refutation
- P(j);
- Try
- S(E);
- Threat
- QAB1(B)
- Vars
- K(f);N_GUARD,N_SPINS(h),S_CUTB(i),S_FLIGHT::QAB1(B),XP(b)
- K(f);N_GUARD,N_SPINS(h),S_FLIGHT,XS(E)::R1(H),XS(h)
- Q(k);N_GUARD,N_SPINS(h),XR(H)::QAR1(B),XP(e)
- Refutation
- P(j);
- Try
- S(E);
- Threat
- QAB1(B)
- Vars
- K(f);N_GUARD,N_SPINS(h),S_CUTB(i),S_FLIGHT::QAB1(B),XP(b)
- K(f);N_GUARD,N_SPINS(h),S_CUTR(g),S_FLIGHT::R1(H),XS(h)
- Q(k);N_GUARD,N_SPINS(h),XR(H)::QAR1(B),XP(e)
- Refutation
- P(j);
- Try
- P(D);
- Threat
- DUALS(2)
- Vars
- Q(k);N_SPINS(h),XR(H)::QAR2(B),XP(b)
- R(g);XP(D)::QAR2(B),XP(b)
- B(i);XP(D)::R1(H),XS(h)
- Q(k);::QAR2(B),XP(b)
- P(e);::R1(H),XS(h)
- Refutation
- S(c);
- Try
- Actual
- S(E);XP(j)
- Threat
- QAB1(B)
- Vars
- K(f);N_GUARD,N_SPINS(h),S_CUTB(i),S_FLIGHT::QAB1(B),XP(b)
- K(f);N_GUARD,N_SPINS(h),S_CUTR(g),S_FLIGHT::R1(H),XS(h)
- Q(k);N_GUARD,N_SPINS(h),XR(H)::QAR1(B),XP(e)
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).