MESON Chess Problem Database
Problem Display
PID: 270383 (4Q3/K7/3P4/k7/1p6/7n/2P5/r2bB3 w - - 0 1)
Kovalenko, V?
Shakhmatnaya kompozitsiya, 1997
#2
5 + 5
SOLUTION
- SOUND
- Sets
- 1...Ra4
- 2.Qe5#
- 1...Ra4
- Tries
- 1.Bf2?
- threat
- 2.Bb6#
- 1...b3
- 2.Be1#
- 1...Sxf2!
- threat
- 1.Bh4?
- threat
- 2.Bd8#
- 1...b3
- 2.Be1#
- 1...Sg5!
- threat
- 1.Qe2?
- threat
- 2.Qa6#
- 1...Ka4
- 2.Qa6#
- 1...Bxe2!
- threat
- 1.Qb8?
- threat
- 2.Qxb4#
- 1...Ka4
- 2.Qxb4#
- 1...Ra4
- 2.Qb6#
- 1...Rb1!
- threat
- 1.c3?
- threat
- 2.cxb4#
- 1...bxc3
- 2.Bxc3#
- 1...Ra4
- 2.Qe5#
- 1...b3
- 2.c4#
- 1...Rb1!
- threat
- 1.Bf2?
- Keys
- 1.c4!
- threat
- 2.Qb5#
- 1...bxc4 ep
- 2.Bxc3#
- 1...Ba4
- 2.Qd8#
- threat
- 1.c4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- R(a);SBLOCK::QAR(E)
- Tries
- Try
- B(A);N_PINP(d)
- Threat
- B(A)
- Vars
- P(d);OGATEB::B(A)
- Refutation
- S(c);XB(A)
- Try
- B(A);N_PINP(d)
- Threat
- B(A)
- Vars
- P(d);OGATEB::B(A)
- Refutation
- S(c);
- Try
- Q(E);
- Threat
- QAR1(E)
- Vars
- K(e);N_SPINP(d),P-FLIGHT::QAR2(E)
- Refutation
- B(b);XQ(E)
- Try
- Q(E);
- Threat
- QAB1(E),XP(d)
- Vars
- K(e);N_SPINP(d),P-FLIGHT::QAR1(E),XP(d)
- R(a);SBLOCK::QAB1(E)
- Refutation
- R(a);
- Try
- P(B);N_PINP(d)
- Threat
- P(B),XP(d)
- Vars
- P(d);OGATE,P_SPINP(d),XP(B)::B(A),XP(d)
- R(a);SBLOCK::QAR(E)
- P(d);::B(A)+P(B)
- Refutation
- R(a);
- Try
- Actual
- P(B);
- Threat
- QAR1(E)
- Vars
- P(d);EP,OGATEB,XP(B)::B(A),XP(d)
- B(b);SBLOCK::QAB(E)
Developed and maintained by Brian Stephenson.
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