MESON Chess Problem Database
Problem Display
PID: 61005 (b7/q1rp4/nb3p2/1Q1p1kNK/1p6/3N4/1nRB4/1B2R3 w - - 0 1)
Rice, John Michael
2nd Prize, Die Schwalbe, 1972
#2
8 + 11
| 3753 | FIDE Album (1971-1973) | 1978 |
| 5174 | Chess Problem Spectrum | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Rc5
- 2.Rf1#
- 1...Rc6
- 2.Qxd5#
- 1...Rb7
- 2.Qxd5#
- 1...Sxd3
- 2.Qxd3#
- 1...Sc5
- 2.Rf1#
- 1...Rc5
- Tries
- 1.Sxb2?
- threat
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rxc7#
- 2.Qd3#
- 1...Rxc2
- 2.Bxc2#
- 2.Qd3#
- 1...fxg5
- 2.Rc6#
- 1...Rc3
- 2.Rxc3#
- 1...Rc4
- 2.Rxc4#
- 1...Rc5
- 2.Rc3#
- 2.Rc4#
- 2.Rxc5#
- 2.Qf1#
- 2.Qd3#
- 1...Rc6
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rxc6#
- 2.Qd3#
- 2.Qxd5#
- 1...Rb7
- 2.Rcc1#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qd3#
- 2.Qxd5#
- 1...Rc8
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rxc8#
- 2.Qd3#
- 1...Bc5
- 2.Rcc1#
- 2.Rc3#
- 2.Rc4#
- 2.Rxc5#
- 2.Qd3#
- 1...Bc6
- 2.Rcc1#
- 2.Rc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rxc6#
- 2.Qd3#
- 1...Sc5
- 2.Rxc5#
- 2.Qf1#
- 1...Be3!
- threat
- 1.Sc5?
- threat
- 2.Rxb2#
- 2.Qf1#
- 1...Rxc5
- 2.Qf1#
- 1...Bxc5
- 2.Rxb2#
- 1...Sxc5
- 2.Qf1#
- 1...fxg5
- 2.Qf1#
- 1...Sd1
- 2.Rc1#
- 2.Ra2#
- 2.Rb2#
- 2.Rc3#
- 2.Rc4#
- 2.Qd3#
- 1...Sd3
- 2.Qxd3#
- 1...Sa4
- 2.Rcc1#
- 2.Ra2#
- 2.Rb2#
- 2.Rc3#
- 2.Rc4#
- 2.Qf1#
- 2.Qd3#
- 1...Sc4
- 2.Rcc1#
- 2.Ra2#
- 2.Rb2#
- 2.Rc3#
- 2.Rxc4#
- 1...d4!
- threat
- 1.Sf7?
- threat
- 2.Sd6#
- 2.Sh6#
- 1...Rc6
- 2.Sh6#
- 2.Qxd5#
- 1...Bc5
- 2.Sh6#
- 1...Sc4
- 2.Sh6#
- 1...d6
- 2.Sxd6#
- 2.Sh6#
- 1...Be3!
- threat
- 1.Rc5?
- threat
- 2.Sxb2#
- 2.Rf1#
- 1...Rxc5
- 2.Rf1#
- 1...Bxc5
- 2.Sxb2#
- 1...Sxd3
- 2.Bxd3#
- 2.Qxd3#
- 1...Sxc5
- 2.Rf1#
- 1...Sd1
- 2.Sc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sxb4#
- 2.Sf4#
- 2.Se5#
- 1...Sa4
- 2.Sc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sxb4#
- 2.Sf4#
- 2.Se5#
- 2.Rf1#
- 1...Sc4
- 2.Sc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sxb4#
- 2.Sf4#
- 2.Se5#
- 2.Rf1#
- 1...fxg5!
- threat
- 1.Sxb2?
- Keys
- 1.Rc6!
- threat
- 2.Sxb2#
- 2.Qxd5#
- 1...Rxc6
- 2.Qxd5#
- 1...Bxc6
- 2.Sxb2#
- 1...Sxd3
- 2.Bxd3#
- 2.Qxd3#
- 2.Qxd5#
- 1...dxc6
- 2.Sxb2#
- 1...Be3
- 2.Qxd5#
- 1...Bd4
- 2.Sxb2#
- 1...Bc5
- 2.Sxb2#
- 1...Sd1
- 2.Sc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sxb4#
- 2.Sf4#
- 2.Sc5#
- 2.Se5#
- 2.Qxd5#
- 1...Sa4
- 2.Sc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sxb4#
- 2.Sf4#
- 2.Sc5#
- 2.Se5#
- 2.Qxd5#
- 1...Sc4
- 2.Sc1#
- 2.Sb2#
- 2.Sf2#
- 2.Sxb4#
- 2.Sf4#
- 2.Sc5#
- 2.Se5#
- 1...Sc5
- 2.Rf1#
- threat
- 1.Rc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- R(i);N_SPINP(c),S_CUTB(f)::R(B)
- R(i);S_CUTB(k)::QAR2(F),XP(c)
- S(a);OGATE,XS(E)::QAB(F),XS(a)
- S(e);N_SPINP(c),S_CUTB(f)::R(B)
- Tries
- Try
- S(E);XS(a)
- Threat
- DUALS(6)
- Vars
- P(g);XS(G)::B(A)+R(C)
- R(i);::B(A)+R(C),XR(i)
- Refutation
- B(f);
- Try
- S(E);N_PINP(c)
- Threat
- DUALS(2)
- Vars
- R(i);XS(E)::QAR(F)
- B(f);XS(E)::B(A)+R(C),XS(a)
- S(e);XS(E)::QAR(F)
- P(g);XS(G)::QAR(F)
- S(a);N_GUARD::QAB(F),XS(a)
- Refutation
- P(c);
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- B(f);N_SPINP(c)::S(G)
- S(a);::S(G)
- Refutation
- B(f);
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- R(i);N_SPINP(c),XR(C)::R(B)
- B(f);N_SPINP(c),XR(C)::B(A)+S(E),XS(a)
- S(e);N_SPINP(c),XR(C)::R(B)
- Refutation
- P(g);XS(G)
- Try
- Actual
- R(C);
- Threat
- DUALS(2)
- Vars
- R(i);XR(C)::QAR2(F),XP(c)
- B(k);XR(C)::B(A)+S(E),XS(a)
- P(j);XR(C)::B(A)+S(E),XS(a)
- B(f);::QAR2(F),XP(c)
- B(f);::B(A)+S(E),XS(a)
- B(f);N_SPINP(c)::B(A)+S(E),XS(a)
- S(e);N_SPINP(c),S_CUTB(f)::R(B)
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