MESON Chess Problem Database
Problem Display
PID: 103205 (8/Qp5n/1r6/b3Rp2/1p2N3/1P3k1P/5P2/2B1KB2 w - - 0 1)
Maximov, Nikolai J
Niva, 1899
#2
9 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb5
- 2.Qe3#
- 1...Ra6
- 2.Qe3#
- 1...Rc6
- 2.Qe3#
- 1...Rd6
- 2.Qe3#
- 1...Re6
- 2.Qe3#
- 1...Rf6
- 2.Qe3#
- 1...Rg6
- 2.Qe3#
- 1...Rh6
- 2.Qe3#
- 1...Sg5
- 2.Sxg5#
- 1...Sf6
- 2.Sg5#
- 1...Sf8
- 2.Sg5#
- 1...fxe4
- 2.Rf5#
- 1...f4
- 2.Sd2#
- 1...Rb5
- Tries
- 1.Sg3?
- threat
- 2.Rxf5#
- 1...Rb5
- 2.Qe3#
- 1...Re6
- 2.Qe3#
- 1...Rf6
- 2.Qe3#
- 1...f4!
- threat
- 1.Sd6?
- threat
- 2.Rxf5#
- 1...Rxd6
- 2.Qe3#
- 1...Rb5
- 2.Qe3#
- 1...f4!
- threat
- 1.Bd2?
- 1...fxe4
- 2.Rf5#
- 1...Rb5
- 2.Qe3#
- 1...Ra6
- 2.Qe3#
- 1...Rc6
- 2.Qe3#
- 1...Rd6
- 2.Qe3#
- 1...Re6
- 2.Qe3#
- 1...Rf6
- 2.Qe3#
- 1...Rg6
- 2.Qe3#
- 1...Rh6
- 2.Qe3#
- 1...Sg5
- 2.Sxg5#
- 1...Sf6
- 2.Sg5#
- 1...Sf8
- 2.Sg5#
- 1...f4!
- 1...fxe4
- 1.Be3?
- threat
- 2.Sd2#
- 1...fxe4
- 2.Rf5#
- 1...Rd6!
- threat
- 1.Bg5?
- threat
- 2.Sd2#
- 1...fxe4
- 2.Rf5#
- 1...Rd6
- 2.Qe3#
- 1...Sxg5!
- threat
- 1.Bh6?
- threat
- 2.Sd2#
- 1...Rxh6
- 2.Qe3#
- 1...fxe4
- 2.Rf5#
- 1...Rd6
- 2.Qe3#
- 1...Sg5!
- threat
- 1.Rxa5?
- 1...fxe4
- 2.Rf5#
- 1...f4
- 2.Sd2#
- 1...Rb5
- 2.Qe3#
- 1...Ra6
- 2.Qe3#
- 1...Rc6
- 2.Qe3#
- 1...Rd6
- 2.Qe3#
- 1...Re6
- 2.Qe3#
- 1...Rf6
- 2.Qe3#
- 1...Rg6
- 2.Qe3#
- 1...Rh6
- 2.Qe3#
- 1...Sg5
- 2.Sxg5#
- 1...Sf6
- 2.Sg5#
- 1...Sf8
- 2.Sg5#
- 1...Kxe4!
- 1...fxe4
- 1.Rb5?
- 1...Rxb5
- 2.Qe3#
- 1...fxe4
- 2.Rf5#
- 1...f4
- 2.Sd2#
- 1...Ra6
- 2.Qe3#
- 1...Rc6
- 2.Qe3#
- 1...Rd6
- 2.Qe3#
- 1...Re6
- 2.Qe3#
- 1...Rf6
- 2.Qe3#
- 1...Rg6
- 2.Qe3#
- 1...Rh6
- 2.Qe3#
- 1...Sg5
- 2.Sxg5#
- 1...Sf6
- 2.Sg5#
- 1...Sf8
- 2.Sg5#
- 1...Kxe4!
- 1...Rxb5
- 1.Re6?
- 1...Rxe6
- 2.Qe3#
- 1...f4
- 2.Sd2#
- 1...Rb5
- 2.Qe3#
- 1...Ra6
- 2.Qe3#
- 1...Rc6
- 2.Qe3#
- 1...Rd6
- 2.Qe3#
- 1...Sg5
- 2.Sxg5#
- 1...Sf6
- 2.Sg5#
- 1...Sf8
- 2.Sg5#
- 1...fxe4!
- 1...Rxe6
- 1.Re7?
- 1...Re6
- 2.Qe3#
- 1...f4
- 2.Sd2#
- 1...Rb5
- 2.Qe3#
- 1...Ra6
- 2.Qe3#
- 1...Rc6
- 2.Qe3#
- 1...Rd6
- 2.Qe3#
- 1...Rf6
- 2.Qe3#
- 1...Rg6
- 2.Qe3#
- 1...Rh6
- 2.Qe3#
- 1...Sg5
- 2.Sxg5#
- 1...Sf6
- 2.Sg5#
- 1...Sf8
- 2.Sg5#
- 1...fxe4!
- 1...Re6
- 1.Re8?
- 1...Re6
- 2.Qe3#
- 1...f4
- 2.Sd2#
- 1...Rb5
- 2.Qe3#
- 1...Ra6
- 2.Qe3#
- 1...Rc6
- 2.Qe3#
- 1...Rd6
- 2.Qe3#
- 1...Rf6
- 2.Qe3#
- 1...Rg6
- 2.Qe3#
- 1...Rh6
- 2.Qe3#
- 1...Sg5
- 2.Sxg5#
- 1...Sf6
- 2.Sg5#
- 1...Sf8
- 2.Sg5#
- 1...fxe4!
- 1...Re6
- 1.Qxb6?
- threat
- 2.Qe3#
- 1...f4
- 2.Sd2#
- 1...Bxb6!
- threat
- 1.Sg3?
- Keys
- 1.Rd5!
- 1...Kxe4
- 2.Bg2#
- 1...fxe4
- 2.Rf5#
- 1...f4
- 2.Sd2#
- 1...Rb5
- 2.Qe3#
- 1...Ra6
- 2.Qe3#
- 1...Rc6
- 2.Qe3#
- 1...Rd6
- 2.Qe3#
- 1...Re6
- 2.Qe3#
- 1...Rf6
- 2.Qe3#
- 1...Rg6
- 2.Qe3#
- 1...Rh6
- 2.Qe3#
- 1...Sg5
- 2.Sxg5#
- 1...Sf6
- 2.Sg5#
- 1...Sf8
- 2.Sg5#
- 1...Kxe4
- 1.Rd5!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(e);OGATE::QAR1(I)
- S(g);N_GUARD::S(G),XS(g)
- S(g);N_GUARD::S(G)
- P(d);SBLOCK,XS(G)::R(H)
- P(d);SBLOCK::S(G)
- Tries
- Try
- S(G);
- Threat
- R(H),XP(d)
- Vars
- R(e);OGATE::QAR1(I)
- R(e);OGATE,P_PINR(H)::QAR1(I)
- Refutation
- P(d);
- Try
- S(G);
- Threat
- R(H),XP(d)
- Vars
- R(e);OGATE,XS(G)::QAR1(I)
- R(e);OGATE::QAR1(I)
- Refutation
- P(d);
- Try
- B(A);
- Vars
- P(d);SBLOCK,XS(G)::R(H)
- R(e);OGATE::QAR1(I)
- S(g);N_GUARD::S(G),XS(g)
- S(g);N_GUARD::S(G)
- Refutation
- P(d);
- Try
- B(A);
- Threat
- S(G)
- Vars
- P(d);SBLOCK,XS(G)::R(H)
- Refutation
- R(e);
- Try
- B(A);
- Threat
- S(G)
- Vars
- P(d);SBLOCK,XS(G)::R(H)
- R(e);OGATE::QAR1(I)
- Refutation
- S(g);XB(A)
- Try
- B(A);
- Threat
- S(G)
- Vars
- R(e);OGATE,XB(A)::QAR1(I)
- P(d);SBLOCK,XS(G)::R(H)
- R(e);OGATE::QAR1(I)
- Refutation
- S(g);
- Try
- R(H);XB(c)
- Vars
- P(d);SBLOCK,XS(G)::R(H)
- P(d);SBLOCK::S(G)
- R(e);OGATE::QAR1(I)
- R(e);OGATE,P_PINS(G)::QAR1(I)
- S(g);N_GUARD::S(G),XS(g)
- S(g);N_GUARD::S(G)
- Refutation
- K(a);S_FLIGHT,XS(G)
- Try
- R(H);
- Vars
- R(e);OGATE,XR(H)::QAR1(I)
- P(d);SBLOCK,XS(G)::R(H)
- P(d);SBLOCK::S(G)
- R(e);OGATE::QAR1(I)
- R(e);OGATE,P_PINS(G)::QAR1(I)
- S(g);N_GUARD::S(G),XS(g)
- S(g);N_GUARD::S(G)
- Refutation
- K(a);S_FLIGHT,XS(G)
- Try
- R(H);
- Vars
- R(e);OGATE,P_PINS(G),XR(H)::QAR1(I)
- P(d);SBLOCK::S(G)
- R(e);OGATE::QAR1(I)
- S(g);N_GUARD::S(G),XS(g)
- S(g);N_GUARD::S(G)
- Refutation
- P(d);XS(G)
- Try
- R(H);
- Vars
- R(e);OGATE,P_PINS(G)::QAR1(I)
- P(d);SBLOCK::S(G)
- R(e);OGATE::QAR1(I)
- S(g);N_GUARD::S(G),XS(g)
- S(g);N_GUARD::S(G)
- Refutation
- P(d);XS(G)
- Try
- R(H);
- Vars
- R(e);OGATE,P_PINS(G)::QAR1(I)
- P(d);SBLOCK::S(G)
- R(e);OGATE::QAR1(I)
- S(g);N_GUARD::S(G),XS(g)
- S(g);N_GUARD::S(G)
- Refutation
- P(d);XS(G)
- Try
- Q(I);XR(e)
- Threat
- QAR1(I)
- Vars
- P(d);SBLOCK::S(G)
- Refutation
- B(c);XQ(I)
- Try
- Actual
- R(H);
- Vars
- K(a);S_FLIGHT,XS(G)::B(C)
- P(d);SBLOCK,XS(G)::R(H)
- P(d);SBLOCK::S(G)
- R(e);OGATE::QAR1(I)
- R(e);OGATE,P_PINS(G)::QAR1(I)
- S(g);N_GUARD::S(G),XS(g)
- S(g);N_GUARD::S(G)
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