MESON Chess Problem Database
Problem Display
PID: 251761 (R7/1KpB4/8/NP2N3/kp2p3/1RrQrn1q/2p5/2B5 w - - 0 1)
Barnes, Barry Peter
Die Schwalbe, 2021
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Rxb3
- 2.Sxb3#
- 2.Sac4#
- 2.Sac6#
- 1...Rc4
- 2.Saxc4#
- 1...Rc5
- 2.Sac4#
- 2.Sac6#
- 1...Rc6
- 2.Saxc6#
- 1...Rxb3
- Tries
- 1.Sec6?
- threat
- 2.Rxb4#
- 1...Rxb3
- 2.Sxb3#
- 1...Rxc6
- 2.Sxc6#
- 1...Rc4!
- threat
- 1.Rb2?
- threat
- 2.Sb3#
- 2.Sac4#
- 2.Sac6#
- 1...Ka3
- 2.Sb3#
- 2.Sac4#
- 2.Sac6#
- 1...Qxd7
- 2.Sb3#
- 2.Sac6#
- 1...Rcxd3
- 2.Sb3#
- 2.Sac4#
- 1...Rexd3
- 2.Sb3#
- 2.Sac4#
- 1...exd3
- 2.Sb3#
- 2.Sac4#
- 1...b3
- 2.Sac6#
- 1...Qe6
- 2.Sac6#
- 1...Qh6
- 2.Sac6#
- 1...Rb3
- 2.Sxb3#
- 2.Sac4#
- 2.Sac6#
- 1...Rc4
- 2.Sb3#
- 2.Saxc4#
- 2.Ra2#
- 1...Rc6
- 2.Saxc6#
- 2.Ra2#
- 1...c6
- 2.Sb3#
- 2.Saxc6#
- 1...Qh8!
- threat
- 1.Ra3+?
- 1...Rxa3
- 2.Sb3#
- 2.Sac4#
- 2.Sac6#
- 1...bxa3!
- 1...Rxa3
- 1.Rxc3?
- threat
- 2.Sb3#
- 2.Sac4#
- 2.Sac6#
- 1...Qxd7
- 2.Sb3#
- 2.Sac6#
- 1...Rxd3
- 2.Sb3#
- 2.Sac4#
- 1...bxc3
- 2.Qc4#
- 1...exd3
- 2.Sb3#
- 2.Sac4#
- 1...b3
- 2.Sac6#
- 2.Rc4#
- 2.Qc4#
- 1...Qe6
- 2.Sac6#
- 1...Qh6
- 2.Sac6#
- 1...c6
- 2.Sb3#
- 2.Saxc6#
- 1...Qh8!
- threat
- 1.Qc4?
- threat
- 2.Sac6#
- 2.Rxb4#
- 2.Qxb4#
- 1...Rxb3
- 2.Sxb3#
- 2.Sac6#
- 1...Qh8
- 2.Rxb4#
- 2.Qxb4#
- 1...c5
- 2.Sac6#
- 1...c6
- 2.Saxc6#
- 2.Rxb4#
- 2.Qxb4#
- 1...Rxc4!
- threat
- 1.Sec6?
- Keys
- 1.Sec4!
- threat
- 2.Sb2#
- 1...Rxb3
- 2.Sxb3#
- 1...Rxc4
- 2.Sxc4#
- threat
- 1.Sec4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(b);::R(I)+S(D),XR(b)
- Tries
- Try
- S(F);
- Threat
- R1(B),XP(g)
- Vars
- R(b);XR(B)::R(I)+S(D),XR(b)
- R(b);XS(F)::R(I)+S(D),XR(b)
- Refutation
- R(b);
- Try
- R(B);
- Threat
- DUALS(3)
- Vars
- P(g);::R(I)+S(D)
- Q(e);::R(I)+S(D)
- Refutation
- Q(e);
- Try
- R(B);CHECK
- Refutation
- P(g);XR(B)
- Try
- R(B);XR(b)
- Threat
- DUALS(3)
- Vars
- P(g);OGATEB,XR(B)::QAR2(C)
- Q(e);::R(I)+S(D)
- Refutation
- Q(e);
- Try
- Q(C);P_PINP(g)
- Threat
- DUALS(3)
- Vars
- P(i);::R(I)+S(D)
- Refutation
- R(b);N_SPINP(g),XQ(C)
- Try
- Actual
- S(F);
- Threat
- S(F)
- Vars
- R(b);XR(B)::R(I)+S(D),XR(b)
- R(b);XS(F)::R(I)+S(D),XR(b)
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