MESON Chess Problem Database
Problem Display
PID: 238195 (3Kb3/4QNp1/n2NPnB1/1PR1p3/1B1k4/R7/3r1P2/8 w - - 0 1)
Murashev, Pavel Aleksandrovich
Kudesnik, 2010
#2
11 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Rd3#
- 1...Rb2
- 2.Rd3#
- 1...Rc2
- 2.Rd3#
- 1...Re2
- 2.Rd3#
- 1...Rxf2
- 2.Rd3#
- 1...Rd3
- 2.Rxd3#
- 1...Bxb5
- 2.Sxb5#
- 1...Se4
- 2.Sf5#
- 1...Sd5
- 2.Rc4#
- 1...e4
- 2.Sf5#
- 1...Ra2
- Tries
- 1.Sg5?
- threat
- 2.Sf3#
- 2.Sf5#
- 1...Rxf2
- 2.Rd3#
- 1...Bxg6
- 2.Sf3#
- 1...Sxb4
- 2.Sf5#
- 1...Rd3
- 2.Sf5#
- 2.Rxd3#
- 1...Bc6
- 2.Sf5#
- 1...e4
- 2.Sf5#
- 1...Sxc5!
- threat
- 1.Be4?
- threat
- 2.Rc4#
- 1...Sxc5
- 2.Bc3#
- 1...Sxe4
- 2.Sf5#
- 1...Rc2
- 2.Rd3#
- 1...Bxb5!
- threat
- 1.Rac3?
- threat
- 2.R3c4#
- 1...Rxf2
- 2.Rd3#
- 1...Bxb5
- 2.Sxb5#
- 1...Se4
- 2.Sf5#
- 1...Rc2
- 2.Rd3#
- 1...e4
- 2.Sf5#
- 1...Sxc5!
- threat
- 1.Re3?
- threat
- 2.Sf5#
- 1...Rxf2
- 2.Rd3#
- 1...Sxc5!
- threat
- 1.Rxe5?
- threat
- 2.Bc3#
- 1...Sxb4
- 2.Qa7#
- 1...Rc2
- 2.Rd3#
- 1...Rd3
- 2.Rxd3#
- 1...Sd5
- 2.Re4#
- 1...Se4!
- threat
- 1.Qxf6?
- threat
- 2.Qxe5#
- 1...Re2
- 2.Rd3#
- 1...gxf6!
- threat
- 1.Qb7?
- threat
- 2.Sf5#
- 2.Rc4#
- 1...Rxf2
- 2.Rd3#
- 2.Rc4#
- 1...Bxb5
- 2.Sxb5#
- 2.Sf5#
- 1...Sxb4
- 2.Rc4#
- 1...Sxc5
- 2.Bc3#
- 1...Rc2
- 2.Sf5#
- 2.Rd3#
- 1...Sd5
- 2.Rc4#
- 2.Rxd5#
- 2.Qxd5#
- 1...Bc6!
- threat
- 1.Sg5?
- Keys
- 1.Qa7!
- threat
- 2.Bc3#
- 1...Rxf2
- 2.Rd3#
- 1...Sxb4
- 2.Rxe5#
- 1...Sxc5
- 2.Qxc5#
- 1...Se4
- 2.Sf5#
- 1...Rc2
- 2.Rd3#
- 1...Rd3
- 2.Rxd3#
- 1...Sd5
- 2.Rc4#
- 1...e4
- 2.Sf5#
- threat
- 1.Qa7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 4
- Sets
- R(a);N_GUARD::R1(B)
- R(a);N_GUARD,XP(A)::R1(B)
- R(a);N_GUARD::R1(B),XR(a)
- B(g);XP(D)::S(F),XB(g)
- S(e);SBLOCK::S(F)
- S(e);SBLOCK::R1(E)
- P(c);SBLOCK::S(F)
- Tries
- Try
- S(J);
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD,XP(A)::R1(B)
- B(g);XB(H)::S(J)
- S(d);XB(C)::S(F)
- B(g);::S(F)
- P(c);::S(F)
- Refutation
- S(d);XR(E)
- Try
- B(H);
- Threat
- R1(E)
- Vars
- S(d);SBLOCK,XR(E)::B(C)
- S(e);SBLOCK,XB(H)::S(F)
- R(a);N_GUARD::R1(B)
- Refutation
- B(g);XP(D)
- Try
- R(B);
- Threat
- R1(B)
- Vars
- R(a);N_GUARD,XP(A)::R1(B)
- B(g);XP(D)::S(F),XB(g)
- S(e);SBLOCK::S(F)
- R(a);N_GUARD::R1(B)
- P(c);SBLOCK::S(F)
- Refutation
- S(d);XR(E)
- Try
- R(B);
- Threat
- S(F)
- Vars
- R(a);N_GUARD,XP(A)::R1(B)
- Refutation
- S(d);XR(E)
- Try
- R(E);XP(c)
- Threat
- B(C)
- Vars
- S(d);N_GUARD,XB(C)::QAB(I)
- R(a);N_GUARD::R1(B)
- R(a);N_GUARD::R1(B),XR(a)
- S(e);N_GUARD,SBLOCK::R1(E)
- Refutation
- S(e);
- Try
- Q(I);P_PINP(c),XS(e)
- Threat
- QAB1(I),XP(c)
- Vars
- R(a);N_GUARD::R1(B)
- Refutation
- P(f);N_SPINP(c),XQ(I)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- S(d);XB(C)::R1(E)
- S(d);SBLOCK,XR(E)::B(C)
- Refutation
- B(g);
- Try
- Actual
- Q(I);
- Threat
- B(C)
- Vars
- R(a);N_GUARD,XP(A)::R1(B)
- S(d);N_GUARD,XB(C)::QAB(I)+R(E),XP(c)
- S(d);OGATE,P_SPINS(d),XR(E)::QAB1(I),XS(d)
- S(e);SBLOCK::S(F)
- R(a);N_GUARD::R1(B)
- R(a);N_GUARD::R1(B),XR(a)
- S(e);SBLOCK::QAB(I)+R(E),DCHECK
- P(c);SBLOCK::S(F)
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