MESON Chess Problem Database

Problem Display
PID: 230894 (8/8/2p5/2Rp1p2/3pNk1p/3R3K/2BnP1Q1/8 w - - 0 1)

Abdullayev, Elmar

64 Shakhmatnoe obozrenie, 2018

8/8/2p5/2Rp1p2/3pNk1p/3R3K/2BnP1Q1/8

#2

7 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qg3+?
      • 1...Kxe4
        • 2.Re3#
      • 1...hxg3!
    • 1.Qg5+?
      • 1...Kxe4
        • 2.Re3#
      • 1...Ke5!
  • Keys
    • 1.Qg7!
      • 1...Kxe4
        • 2.Qxd4#
      • 1...Sxe4
        • 2.Rf3#
      • 1...dxe4
        • 2.Qh6#
      • 1...fxe4
        • 2.Qf6#
      • 1...Sb1
        • 2.Rf3#
      • 1...Sf1
        • 2.Rf3#
      • 1...Sb3
        • 2.Rf3#
      • 1...Sf3
        • 2.Rxf3#
      • 1...Sc4
        • 2.Rf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);P-FLIGHT,XS(F)::B(A)+R(D),DCHECK
      • Refutation
        • P(d);XQ(C)
    • Try
      • Q(C);CHECK
      • Vars
        • K(c);P-FLIGHT,XS(F)::B(A)+R(D),DCHECK
      • Refutation
        • K(c);P_SPINP(e),S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(c);OGATEB,P-FLIGHT,XS(F)::QAR1(C),XP(b)
      • S(a);N_GUARD,XS(F)::R1(D)
      • P(e);SBLOCK,XS(F)::QAB(C)
      • P(f);OGATEB,SBLOCK,XS(F)::QAR2(C)
      • S(a);N_GUARD::R1(D)
      • S(a);N_GUARD::R1(D),XS(a)
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