MESON Chess Problem Database
Problem Display
PID: 7619 (7B/4N3/3R4/Q1p1r3/2k3n1/Kp3b1R/8/2n5 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Die Schwalbe, 1992
#2
6 + 7
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Qa4#
- 2.Qa6#
- 1...Re2
- 2.Qa4#
- 2.Qa6#
- 1...Re3
- 2.Qa4#
- 2.Qa6#
- 1...Re4
- 2.Qa4#
- 2.Qa6#
- 1...Rd5
- 2.Qa6#
- 1...Rf5
- 2.Qa4#
- 2.Qa6#
- 1...Rg5
- 2.Qa4#
- 2.Qa6#
- 1...Rh5
- 2.Qa4#
- 2.Qa6#
- 1...Re6
- 2.Qa4#
- 2.Qa6#
- 1...Rxe7
- 2.Qa4#
- 2.Qa6#
- 1...Bd1
- 2.Rc3#
- 2.Qa4#
- 2.Qa6#
- 1...Bh1
- 2.Rc3#
- 2.Qa4#
- 2.Qa6#
- 1...Be2
- 2.Rc3#
- 2.Qa4#
- 2.Qa6#
- 1...Bg2
- 2.Rc3#
- 2.Qa4#
- 2.Qa6#
- 1...Be4
- 2.Rc3#
- 2.Qa4#
- 2.Qa6#
- 1...Bd5
- 2.Qa4#
- 1...Bc6
- 2.Rc3#
- 1...Bb7
- 2.Rc3#
- 2.Qa4#
- 1...Ba8
- 2.Rc3#
- 2.Qa4#
- 2.Qa6#
- 1...Re1
- Tries
- 1.Bxe5?
- threat
- 2.Qa4#
- 2.Qa6#
- 1...Sa2
- 2.Qa6#
- 1...Bc6
- 2.Rc3#
- 1...Bb7
- 2.Rc3#
- 2.Qa4#
- 1...Sd3
- 2.Qa6#
- 1...Sxe5!
- threat
- 1.Rd5?
- threat
- 2.Qxc5#
- 1...Rxd5
- 2.Qa6#
- 1...Bxd5
- 2.Qa4#
- 1...Sd3!
- threat
- 1.Qb5+?
- 1...Kc3
- 2.Qxc5#
- 1...Kxb5!
- 1...Kc3
- 1.Bxe5?
- Keys
- 1.Sc8!
- threat
- 2.Sb6#
- 1...Rd5
- 2.Qa6#
- 1...Bd5
- 2.Qa4#
- threat
- 1.Sc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- R(g);::QAB(C)
- B(c);::QAR2(C)
- B(c);OGATE::R1(B)
- Tries
- Try
- B(F);XR(g)
- Threat
- DUALS(2)
- Vars
- S(a);::QAB(C)
- B(c);OGATE::R1(B)
- Refutation
- S(e);XB(F)
- Try
- R(D);
- Threat
- QAR1(C),XP(f)
- Vars
- R(g);XR(D)::QAB(C)
- B(c);XR(D)::QAR2(C)
- Refutation
- S(a);
- Try
- Q(C);CHECK
- Vars
- K(d);P-FLIGHT,P_SPINB(c),P_SPINR(g)::QAR2(C),XP(f)
- Refutation
- K(d);S_FLIGHT,XQ(C)
- Try
- Actual
- S(E);
- Threat
- S(E)
- Vars
- R(g);::QAB(C)
- B(c);::QAR2(C)
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