MESON Chess Problem Database
Problem Display
PID: 257254 (4R3/p4RQ1/B1pPp3/P2kpN2/2p5/2PpB1p1/3P2p1/6K1 w - - 0 1)
Murashev, Pavel Aleksandrovich
Phenix, 2020
#2
11 + 9
SOLUTION
- SOUND
- Sets
- 1...e4
- 2.Qd4#
- 1...c5
- 2.Bb7#
- 1...exf5
- 2.Qxe5#
- 1...e4
- Tries
- 1.Kxg2?
- 1...exf5
- 2.Qxe5#
- 1...c5
- 2.Bb7#
- 1...e4
- 2.Qd4#
- 1...Ke4!
- 1...exf5
- 1.Sxg3?
- 1...Kxd6
- 2.Rd7#
- 2.Rd8#
- 1...e4
- 2.Qd4#
- 1...c5!
- 1...Kxd6
- 1.Se7+?
- 1...Ke4
- 2.Qg4#
- 2.Qg6#
- 2.Qh7#
- 1...Kxd6!
- 1...Ke4
- 1.Bd4?
- threat
- 2.Qxe5#
- 1...exd4
- 2.Qxd4#
- 1...c5
- 2.Bb7#
- 1...e4
- 2.Qe5#
- 1...Ke4!
- threat
- 1.Bf4?
- threat
- 2.Qxe5#
- 1...Kc5
- 2.Qxe5#
- 1...exf4
- 2.Qd4#
- 1...e4
- 2.Qd4#
- 2.Qe5#
- 1...c5
- 2.Bb7#
- 1...Ke4!
- threat
- 1.Bc5?
- 1...Kxc5
- 2.Qxe5#
- 1...exf5
- 2.Rxe5#
- 2.Qxe5#
- 1...e4
- 2.Qd4#
- 1...Ke4!
- 1...Kxc5
- 1.Bg5?
- 1...Kc5
- 2.Qxe5#
- 1...exf5
- 2.Qxe5#
- 1...e4
- 2.Qd4#
- 1...c5
- 2.Bb7#
- 1...Ke4!
- 1...Kc5
- 1.Bh6?
- 1...Kc5
- 2.Qxe5#
- 1...exf5
- 2.Qxe5#
- 1...e4
- 2.Qd4#
- 1...c5
- 2.Bb7#
- 1...Ke4!
- 1...Kc5
- 1.Bxa7?
- 1...exf5
- 2.Qxe5#
- 1...c5
- 2.Bb7#
- 1...e4
- 2.Qd4#
- 1...Ke4!
- 1...exf5
- 1.Bxc4+?
- 1...Ke4
- 2.Sxg3#
- 2.Qg4#
- 1...Kxc4!
- 1...Ke4
- 1.Bb7?
- 1...Ke4
- 2.Bxc6#
- 1...exf5
- 2.Qxe5#
- 1...e4
- 2.Qd4#
- 1...a6!
- 1...Ke4
- 1.Rxa7?
- 1...exf5
- 2.Qxe5#
- 1...c5
- 2.Bb7#
- 2.Qb7#
- 1...e4
- 2.Qd4#
- 1...Ke4!
- 1...exf5
- 1.Rc7?
- 1...exf5
- 2.Qxe5#
- 1...e4
- 2.Qd4#
- 1...c5
- 2.Bb7#
- 1...Ke4!
- 1...exf5
- 1.Rd7?
- 1...exf5
- 2.Rxe5#
- 2.Qxe5#
- 1...c5
- 2.Bb7#
- 1...e4
- 2.Se7#
- 2.Qd4#
- 1...Ke4!
- 1...exf5
- 1.Rfe7?
- 1...exf5
- 2.Qxe5#
- 1...c5
- 2.Bb7#
- 1...e4
- 2.Qd4#
- 1...Ke4!
- 1...exf5
- 1.Rff8?
- 1...exf5
- 2.Qxe5#
- 1...c5
- 2.Bb7#
- 2.Qb7#
- 1...e4
- 2.Qd4#
- 1...Ke4!
- 1...exf5
- 1.Ree7?
- 1...exf5
- 2.Qxe5#
- 1...c5
- 2.Bb7#
- 1...e4
- 2.Qd4#
- 1...Ke4!
- 1...exf5
- 1.Qf6?
- 1...exf5
- 2.Rxe5#
- 2.Qxe5#
- 1...c5
- 2.Bb7#
- 1...e4
- 2.Qd4#
- 2.Qxe6#
- 1...Ke4!
- 1...exf5
- 1.Qh8?
- 1...exf5
- 2.Qxe5#
- 1...c5
- 2.Bb7#
- 1...e4
- 2.Qd4#
- 1...Ke4!
- 1...exf5
- 1.Qg6?
- 1...Ke4
- 2.Se7#
- 1...c5
- 2.Bb7#
- 1...e4
- 2.Qxe6#
- 1...exf5!
- 1...Ke4
- 1.d7?
- 1...exf5
- 2.Qxe5#
- 1...c5
- 2.Bb7#
- 1...e4
- 2.Qd4#
- 2.d8Q#
- 2.d8R#
- 1...Ke4!
- 1...exf5
- 1.Kxg2?
- Keys
- 1.Qxg3!
- 1...Ke4
- 2.Qxg2#
- 1...exf5
- 2.Qxe5#
- 1...c5
- 2.Bb7#
- 1...e4
- 2.Se7#
- 1...Ke4
- 1.Qxg3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- P(f);OGATE::QAR1(J)
- P(g);OGATEB::B(G)
- P(h);XS(F)::QAR1(J),XP(f)
- Tries
- Try
- K(A);P-FLIGHT,XP(a)
- Vars
- P(h);XS(F)::QAR1(J),XP(f)
- P(g);OGATEB::B(G)
- P(f);OGATE::QAR1(J)
- Refutation
- K(e);S_FLIGHT
- Try
- S(F);XP(c)
- Vars
- P(f);OGATE::QAR1(J)
- Refutation
- P(g);
- Try
- S(F);CHECK
- Refutation
- K(e);P-FLIGHT,XP(H)
- Try
- B(D);
- Threat
- QAR1(J),XP(f)
- Vars
- P(f);OGATE,XB(D)::QAR1(J),XP(f)
- P(g);OGATEB::B(G)
- P(f);::QAR1(J)
- Refutation
- K(e);S_FLIGHT
- Try
- B(D);
- Threat
- QAR1(J),XP(f)
- Vars
- K(e);P-FLIGHT::QAR2(J),XP(f)
- P(f);OGATE,XB(D)::QAR1(J)
- P(g);OGATEB,SBLOCK::B(G)
- Refutation
- K(e);S_FLIGHT
- Try
- B(D);
- Vars
- K(e);N_GUARD,P-FLIGHT,XB(D)::QAR2(J),XP(f)
- P(f);OGATE::QAR1(J)
- Refutation
- K(e);S_FLIGHT
- Try
- B(D);
- Vars
- K(e);N_GUARD,P-FLIGHT::QAR2(J),XP(f)
- P(h);XS(F)::QAR1(J),XP(f)
- P(f);OGATE::QAR1(J)
- P(g);OGATEB,SBLOCK::B(G)
- Refutation
- K(e);S_FLIGHT
- Try
- B(D);
- Vars
- K(e);N_GUARD,P-FLIGHT::QAR2(J),XP(f)
- P(h);XS(F)::QAR1(J),XP(f)
- P(f);OGATE::QAR1(J)
- P(g);OGATEB,SBLOCK::B(G)
- Refutation
- K(e);S_FLIGHT
- Try
- B(D);XP(i)
- Vars
- P(h);XS(F)::QAR1(J),XP(f)
- P(g);OGATEB::B(G)
- P(f);OGATE::QAR1(J)
- Refutation
- K(e);S_FLIGHT
- Try
- B(G);CHECK,XP(d)
- Refutation
- K(e);S_FLIGHT,XB(G)
- Try
- B(G);P_PINP(g)
- Vars
- K(e);N_GUARD,S_FLIGHT::B(G),XP(g)
- P(h);XS(F)::QAR1(J),XP(f)
- P(f);OGATE::QAR1(J)
- Refutation
- P(i);
- Try
- R(I);XP(i)
- Vars
- P(h);XS(F)::QAR1(J),XP(f)
- P(f);OGATE::QAR1(J)
- Refutation
- K(e);S_FLIGHT
- Try
- R(I);
- Vars
- P(h);XS(F)::QAR1(J),XP(f)
- P(f);OGATE::QAR1(J)
- P(g);OGATEB::B(G)
- Refutation
- K(e);S_FLIGHT
- Try
- R(I);
- Vars
- P(g);OGATEB::B(G)
- Refutation
- K(e);S_FLIGHT
- Try
- R(I);
- Vars
- P(h);XS(F)::QAR1(J),XP(f)
- P(g);OGATEB::B(G)
- P(f);OGATE::QAR1(J)
- Refutation
- K(e);S_FLIGHT
- Try
- R(I);
- Vars
- P(h);XS(F)::QAR1(J),XP(f)
- P(f);OGATE::QAR1(J)
- Refutation
- K(e);S_FLIGHT
- Try
- R(K);
- Vars
- P(h);XS(F)::QAR1(J),XP(f)
- P(g);OGATEB::B(G)
- P(f);OGATE::QAR1(J)
- Refutation
- K(e);S_FLIGHT
- Try
- Q(J);
- Vars
- P(g);OGATEB::B(G)
- Refutation
- K(e);S_FLIGHT
- Try
- Q(J);
- Vars
- P(h);XS(F)::QAR1(J),XP(f)
- P(g);OGATEB::B(G)
- P(f);OGATE::QAR1(J)
- Refutation
- K(e);S_FLIGHT
- Try
- Q(J);
- Vars
- K(e);N_GUARD,S_FLIGHT::QAB(J)+S(F)
- P(g);OGATEB::B(G)
- P(f);::QAB1(J),XP(h)
- Refutation
- P(h);XS(F)
- Try
- P(H);
- Vars
- P(h);XS(F)::QAR1(J),XP(f)
- P(g);OGATEB::B(G)
- Refutation
- K(e);S_FLIGHT
- Try
- Actual
- Q(J);XP(c)
- Vars
- K(e);S_CUTP(f),S_FLIGHT::QAB(J),XP(a)
- P(h);XS(F)::QAR1(J),XP(f)
- P(g);OGATEB::B(G)
- P(f);SBLOCK::S(F)
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