MESON Chess Problem Database
Problem Display
PID: 142819 (2n5/nQ2p3/1br4P/6B1/R2pk1P1/5Np1/B5K1/2N5 w - - 0 1)
Neuhaus, Carl Eugene
2nd Comm., BCF 060. Ty., 1948-1949
#2
9 + 8
| 70 | American Chess Problemist | 1950 |
SOLUTION
- SOUND
- Sets
- 1...Ba5
- 2.Rxd4#
- 1...Bc5
- 2.Qb1#
- 1...Bc7
- 2.Rxd4#
- 1...Bd8
- 2.Rxd4#
- 1...Sb5
- 2.Qxc6#
- 1...Sd6
- 2.Qxe7#
- 1...e5
- 2.Sd2#
- 1...e6
- 2.Qh7#
- 1...Ba5
- Tries
- 1.Kxg3?
- 1...Ba5
- 2.Rxd4#
- 1...Bc5
- 2.Qb1#
- 1...Bd8
- 2.Rxd4#
- 1...Sb5
- 2.Qxc6#
- 1...Sd6
- 2.Qxe7#
- 1...e5
- 2.Sd2#
- 1...e6
- 2.Qh7#
- 1...Bc7+!
- 1...Ba5
- 1.Bb3?
- 1...Ba5
- 2.Rxd4#
- 1...Bc7
- 2.Rxd4#
- 1...Bd8
- 2.Rxd4#
- 1...Sb5
- 2.Qxc6#
- 1...Sd6
- 2.Qxe7#
- 1...e5
- 2.Sd2#
- 1...e6
- 2.Qh7#
- 1...Bc5!
- 1...Ba5
- 1.Be6?
- 1...Ba5
- 2.Rxd4#
- 1...Bc5
- 2.Qb1#
- 1...Bc7
- 2.Rxd4#
- 1...Bd8
- 2.Rxd4#
- 1...Sb5
- 2.Qxc6#
- 1...Sd6!
- 1...Ba5
- 1.Bf7?
- 1...Ba5
- 2.Rxd4#
- 1...Bc5
- 2.Qb1#
- 1...Bc7
- 2.Rxd4#
- 1...Bd8
- 2.Rxd4#
- 1...Sb5
- 2.Qxc6#
- 1...Sd6
- 2.Qxe7#
- 1...e5
- 2.Sd2#
- 1...e6!
- 1...Ba5
- 1.Bg8?
- 1...Ba5
- 2.Rxd4#
- 1...Bc5
- 2.Qb1#
- 1...Bc7
- 2.Rxd4#
- 1...Bd8
- 2.Rxd4#
- 1...Sb5
- 2.Qxc6#
- 1...Sd6
- 2.Qxe7#
- 1...e5
- 2.Sd2#
- 1...e6!
- 1...Ba5
- 1.Rb4?
- 1...Ba5
- 2.Rxd4#
- 1...Bc7
- 2.Rxd4#
- 1...Bd8
- 2.Rxd4#
- 1...Sb5
- 2.Qxc6#
- 1...Sd6
- 2.Qxe7#
- 1...e5
- 2.Sd2#
- 1...e6
- 2.Qh7#
- 1...Bc5!
- 1...Ba5
- 1.Qxb6?
- threat
- 2.Rxd4#
- 2.Qxd4#
- 1...Rxb6
- 2.Rxd4#
- 1...Sxb6
- 2.Rxd4#
- 1...Rc4
- 2.Qe6#
- 1...Rc5
- 2.Rxd4#
- 1...Rd6
- 2.Qb1#
- 1...Sb5
- 2.Qxc6#
- 1...e5
- 2.Sd2#
- 1...Rc2+!
- threat
- 1.Qd7?
- threat
- 2.Bd5#
- 2.Qf5#
- 2.Qd5#
- 1...Rxc1
- 2.Qf5#
- 1...Rc4
- 2.Qf5#
- 2.Qe6#
- 1...Rc5
- 2.Rxd4#
- 2.Qxd4#
- 1...Rd6
- 2.Qf5#
- 1...Re6
- 2.Bb1#
- 2.Bd5#
- 2.Qxe6#
- 2.Qd5#
- 1...Rf6
- 2.Bb1#
- 2.Bd5#
- 2.Qd5#
- 1...Sd6
- 2.Qe6#
- 2.Qxe7#
- 1...e6
- 2.Qh7#
- 1...Rc2+!
- threat
- 1.Qxe7+?
- 1...Re6
- 2.Qxe6#
- 1...Sxe7!
- 1...Re6
- 1.h7?
- 1...Ba5
- 2.Rxd4#
- 1...Bc5
- 2.Qb1#
- 1...Bc7
- 2.Rxd4#
- 1...Bd8
- 2.Rxd4#
- 1...Sb5
- 2.Qxc6#
- 1...Sd6
- 2.Qxe7#
- 1...e5
- 2.Sd2#
- 1...e6!
- 1...Ba5
- 1.Kxg3?
- Keys
- 1.Bd2!
- 1...Ba5
- 2.Rxd4#
- 1...Bc5
- 2.Qb1#
- 1...Bc7
- 2.Rxd4#
- 1...Bd8
- 2.Rxd4#
- 1...Sb5
- 2.Qxc6#
- 1...Sd6
- 2.Qxe7#
- 1...e5
- 2.Sg5#
- 1...e6
- 2.Qh7#
- 1...Ba5
- 1.Bd2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(d);N_GUARD::R1(E),XP(b)
- B(d);OGATE::QAB(I)
- S(f);N_GUARD::QAB(I),XR(e)
- S(h);N_GUARD::QAR(I),XP(g)
- P(g);SBLOCK::S(D)
- P(g);OGATE::QAB(I)
- Tries
- Try
- K(C);P-FLIGHT,XP(a)
- Vars
- B(d);N_GUARD::R1(E),XP(b)
- B(d);OGATE::QAB(I)
- S(f);N_GUARD::QAB(I),XR(e)
- S(h);N_GUARD::QAR(I),XP(g)
- P(g);SBLOCK::S(D)
- P(g);OGATE::QAB(I)
- Refutation
- B(d);CHECK
- Try
- B(B);
- Vars
- B(d);N_GUARD::R1(E),XP(b)
- S(f);N_GUARD::QAB(I),XR(e)
- S(h);N_GUARD::QAR(I),XP(g)
- P(g);SBLOCK::S(D)
- P(g);OGATE::QAB(I)
- Refutation
- B(d);
- Try
- B(B);
- Vars
- B(d);N_GUARD::R1(E),XP(b)
- B(d);OGATE::QAB(I)
- S(f);N_GUARD::QAB(I),XR(e)
- Refutation
- S(h);
- Try
- B(B);
- Vars
- B(d);N_GUARD::R1(E),XP(b)
- B(d);OGATE::QAB(I)
- S(f);N_GUARD::QAB(I),XR(e)
- S(h);N_GUARD::QAR(I),XP(g)
- P(g);SBLOCK::S(D)
- Refutation
- P(g);
- Try
- B(B);
- Vars
- B(d);N_GUARD::R1(E),XP(b)
- B(d);OGATE::QAB(I)
- S(f);N_GUARD::QAB(I),XR(e)
- S(h);N_GUARD::QAR(I),XP(g)
- P(g);SBLOCK::S(D)
- Refutation
- P(g);
- Try
- R(E);
- Vars
- B(d);N_GUARD::R1(E),XP(b)
- S(f);N_GUARD::QAB(I),XR(e)
- S(h);N_GUARD::QAR(I),XP(g)
- P(g);SBLOCK::S(D)
- P(g);OGATE::QAB(I)
- Refutation
- B(d);
- Try
- Q(I);N_PINR(e),XB(d)
- Threat
- DUALS(2)
- Vars
- R(e);XQ(I)::R1(E),XP(b)
- S(h);XQ(I)::R1(E),XP(b)
- R(e);N_SPINP(b),OGATE::QAR2(I)
- R(e);::R1(E),XP(b)
- R(e);N_GUARD::QAB(I)
- S(f);N_GUARD::QAB(I),XR(e)
- P(g);SBLOCK::S(D)
- Refutation
- R(e);CHECK
- Try
- Q(I);N_PINR(e)
- Threat
- DUALS(3)
- Vars
- R(e);XS(A)::QAB1(I)
- R(e);::QAB1(I)
- P(g);OGATE::QAB(I)
- Refutation
- R(e);CHECK
- Try
- Q(I);CHECK,N_PINR(e),XP(g)
- Vars
- R(e);N_GUARD,P_SPINR(e)::QAR2(I),XR(e)
- Refutation
- S(h);XQ(I)
- Try
- P(H);
- Vars
- B(d);N_GUARD::R1(E),XP(b)
- B(d);OGATE::QAB(I)
- S(f);N_GUARD::QAB(I),XR(e)
- S(h);N_GUARD::QAR(I),XP(g)
- P(g);SBLOCK::S(D)
- Refutation
- P(g);
- Try
- Actual
- B(G);
- Vars
- B(d);N_GUARD::R1(E),XP(b)
- B(d);OGATE::QAB(I)
- S(f);N_GUARD::QAB(I),XR(e)
- S(h);N_GUARD::QAR(I),XP(g)
- P(g);SBLOCK::S(D)
- P(g);OGATE::QAB(I)
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