MESON Chess Problem Database
Problem Display
PID: 197298 (n6K/7p/2Q5/3NkpRr/3pp1B1/2BR2r1/8/q7 w - - 0 1)
Gorbatenko, Yuri Grigorevich
Zadachi i Etyudi, 1996
#2
7 + 9
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Bxd4#
- 1...Qc1
- 2.Bxd4#
- 1...Qd1
- 2.Bxd4#
- 1...Qe1
- 2.Bxd4#
- 1...Qf1
- 2.Bxd4#
- 1...Qh1
- 2.Bxd4#
- 1...Qa2
- 2.Bxd4#
- 1...Qa3
- 2.Bxd4#
- 1...Qa5
- 2.Bxd4#
- 1...Qa6
- 2.Bxd4#
- 1...Rh1
- 2.Rxf5#
- 1...Rh2
- 2.Rxf5#
- 1...Rh3
- 2.Rxf5#
- 1...Rh4
- 2.Rxf5#
- 1...Rh6
- 2.Rxf5#
- 1...dxc3
- 2.Qf6#
- 1...Qb1
- Tries
- 1.Bxf5?
- threat
- 2.Qe6#
- 1...Qa6
- 2.Bxd4#
- 1...Rh6
- 2.Bg4#
- 1...Sc7!
- threat
- 1.Rg6?
- threat
- 2.Re6#
- 2.Qd6#
- 2.Qe6#
- 1...exd3
- 2.Re6#
- 2.Qe6#
- 1...fxg4
- 2.Qe6#
- 1...e3
- 2.Re6#
- 2.Qe6#
- 1...Qa3
- 2.Bxd4#
- 2.Re6#
- 2.Qe6#
- 1...Qa6
- 2.Bxd4#
- 2.Re6#
- 1...Rh6
- 2.Qd6#
- 2.Qe6#
- 1...Sc7
- 2.Qd6#
- 1...hxg6+!
- threat
- 1.Bxf5?
- Keys
- 1.Rxd4!
- threat
- 2.Qf6#
- 1...Qa6
- 2.Rd3#
- 1...Rh6
- 2.Rxf5#
- threat
- 1.Rxd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 14
- Sets
- Q(a);N_GUARD::B(A),XP(c)
- R(g);N_GUARD::R1(E),XP(f)
- P(c);N_SPINP(c),P_SPINP(f),XB(A)::QAB1(F)
- Tries
- Try
- B(C);XP(f)
- Threat
- QAR1(F)
- Vars
- Q(a);N_GUARD::B(A),XP(c)
- R(g);N_GUARD::R(E)+B(C)
- Refutation
- S(i);
- Try
- R(E);
- Threat
- DUALS(3)
- Vars
- P(f);XB(C)::QAR1(F)
- S(i);::QAB1(F)
- Refutation
- P(h);CHECK,XR(E)
- Try
- Actual
- R(B);P_PINP(f),XP(c)
- Threat
- QAB1(F)
- Vars
- Q(a);N_GUARD::B(A)+R(B)
- R(g);N_GUARD::R1(E),XP(f)
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