MESON Chess Problem Database
Problem Display
PID: 43075 (3b3K/7Q/2rRbk2/2pppBp1/8/5N2/1r6/q4R2 w - - 0 1)
Mansfield, Comins
Problemas, 1970
#2
6 + 10
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Rc7
- 2.Rxe6#
- 1...Rc8
- 2.Rxe6#
- 1...Be7
- 2.Qg6#
- 1...Rc7
- Tries
- 1.Sd2?
- threat
- 2.Bb1#
- 2.Qg7#
- 1...Rxd2
- 2.Qg7#
- 1...Rxd6
- 2.Qg7#
- 1...e4
- 2.Qg7#
- 1...g4
- 2.Qg7#
- 1...Qb1
- 2.Bxb1#
- 2.Qg7#
- 1...Qc1
- 2.Qg7#
- 1...Qd1
- 2.Qg7#
- 1...Qe1
- 2.Qg7#
- 1...Qa3
- 2.Bd3#
- 2.Qg7#
- 1...Qa4
- 2.Be4#
- 2.Qg7#
- 1...Qa6
- 2.Bd3#
- 2.Qg7#
- 1...Qa7
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bh3#
- 2.Be4#
- 2.Bg4#
- 2.Bxe6#
- 2.Bg6#
- 1...Rb1
- 2.Bxb1#
- 2.Qg7#
- 1...Rc2
- 2.Qg7#
- 1...Rb3
- 2.Qg7#
- 1...Rb4
- 2.Qg7#
- 1...Rb7
- 2.Bb1#
- 1...Rc7
- 2.Bb1#
- 2.Rxe6#
- 1...Qxf1!
- threat
- 1.Sh2?
- threat
- 2.Sg4#
- 2.Qg7#
- 1...Qxf1
- 2.Sg4#
- 1...g4
- 2.Qg7#
- 1...Rf2
- 2.Sg4#
- 1...Qd1
- 2.Qg7#
- 1...Qa4
- 2.Qg7#
- 1...Qa7
- 2.Sg4#
- 2.Bc2#
- 1...Rg2
- 2.Qg7#
- 1...Rb4
- 2.Qg7#
- 1...Rb7
- 2.Sg4#
- 2.Bb1#
- 1...Rc7
- 2.Sg4#
- 2.Rxe6#
- 1...Rxh2!
- threat
- 1.Sd4?
- threat
- 2.Qg7#
- 1...Qa7
- 2.Bc2#
- 1...Rb7
- 2.Bb1#
- 1...Rc7
- 2.Rxe6#
- 1...Rh2!
- threat
- 1.Sxe5?
- threat
- 2.Sg4#
- 2.Sd7#
- 2.Qg7#
- 1...Qxf1
- 2.Sg4#
- 2.Sd7#
- 1...Rxd6
- 2.Sg4#
- 2.Qg7#
- 1...g4
- 2.Qg7#
- 1...Rf2
- 2.Sg4#
- 2.Sd7#
- 1...Qd1
- 2.Sd7#
- 2.Qg7#
- 1...Qa4
- 2.Sd7#
- 2.Qg7#
- 1...Qa7
- 2.Sg4#
- 1...Rg2
- 2.Sd7#
- 2.Qg7#
- 1...Rh2
- 2.Sg4#
- 2.Sd7#
- 1...Rb4
- 2.Sd7#
- 2.Qg7#
- 1...Rb7
- 2.Sg4#
- 1...Rc7
- 2.Sg4#
- 2.Rxe6#
- 1...Kxe5!
- threat
- 1.Bh3?
- threat
- 2.Qg7#
- 1...Qa7
- 2.Sd2#
- 1...Rb7
- 2.Se1#
- 1...Rc7
- 2.Rxe6#
- 1...g4!
- threat
- 1.Bg4?
- threat
- 2.Qg7#
- 1...Qa7
- 2.Sd2#
- 1...Rb7
- 2.Se1#
- 1...Rc7
- 2.Rxe6#
- 1...Rh2!
- threat
- 1.Bxe6?
- threat
- 2.Qf7#
- 2.Qg7#
- 1...Rxd6
- 2.Qf7#
- 1...Qa7
- 2.Sd2#
- 1...Rb7
- 2.Se1#
- 1...Rc7
- 2.Bh3#
- 2.Bg4#
- 2.Bxd5#
- 2.Bf5#
- 2.Bd7#
- 2.Bc8#
- 2.Bg8#
- 1...Rh2!
- threat
- 1.Sd2?
- Keys
- 1.Sh4!
- threat
- 2.Qg7#
- 1...Qa7
- 2.Bc2#
- 1...Rb7
- 2.Bb1#
- 1...Rc7
- 2.Rxe6#
- threat
- 1.Sh4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(g);N_GUARD::R1(D),XB(h)
- B(j);SBLOCK::QAR1(E)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- R(b);XS(B)::QAB1(E)
- R(g);N_SPINB(h),XR(D)::QAB1(E)
- P(e);::QAB1(E)
- P(f);::QAB1(E)
- Q(a);::QAB1(E)
- R(b);::QAB1(E)
- R(b);::R(A)+B(C)
- Refutation
- Q(a);XR(A)
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- Q(a);XR(A)::S(B)
- P(f);::QAB1(E)
- R(b);::S(B)
- Q(a);::QAB1(E)
- R(b);::QAB1(E)
- Refutation
- R(b);P_PINQ(E),XS(B)
- Try
- S(B);
- Threat
- QAB1(E)
- Vars
- Q(a);N_GUARD::R(A)+B(C)
- R(b);N_GUARD::R(A)+B(C)
- R(g);N_GUARD::R1(D),XB(h)
- Refutation
- R(b);P_PINQ(E)
- Try
- S(B);XP(e)
- Threat
- DUALS(3)
- Vars
- P(f);::QAB1(E)
- Q(a);::S(B)
- R(b);::S(B)
- Refutation
- K(i);N_SPINB(h),S_FLIGHT,XS(B)
- Try
- B(C);
- Threat
- QAB1(E)
- Vars
- Q(a);N_GUARD::R(A)+S(B)
- R(b);N_GUARD::R(A)+S(B)
- R(g);N_GUARD::R1(D),XB(h)
- Refutation
- P(f);
- Try
- B(C);
- Threat
- QAB1(E)
- Vars
- Q(a);N_GUARD::R(A)+S(B)
- R(b);N_GUARD::R(A)+S(B)
- R(g);N_GUARD::R1(D),XB(h)
- Refutation
- R(b);P_PINQ(E)
- Try
- B(C);XB(h)
- Threat
- DUALS(2)
- Vars
- R(g);XR(D)::QAR1(E)
- Q(a);N_GUARD::R(A)+S(B)
- R(b);N_GUARD::R(A)+S(B)
- Refutation
- R(b);P_PINQ(E)
- Try
- Actual
- S(B);
- Threat
- QAB1(E)
- Vars
- Q(a);N_GUARD::R(A)+B(C)
- R(b);N_GUARD::R(A)+B(C)
- R(g);N_GUARD::R1(D),XB(h)
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